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Curriculum Vitae

Contact Details Organization Name: CNRS Address: Unité Mixte de Physique CNRS/Thales Campus Polytechnique 1 avenue A. Fresnel 91767 Palaiseau FRANCE Phone: +33-169-41-58-56 Fax: +33-169-41-58-78 Email: javier.villegas@thalesgroup.com Web: javierevillegas.wordpress.com

Javier E. Villegas, PhD

Associate Scientist Unité Mixte de Physique CNRS/Thales, France Education University Complutense (2000-2004), Madrid, Spain

Ph.D. in Physics, April 2004 University Complutense (09/1994-06/1999), Madrid, Spain “Licenciado” (B.Sc and M.Sc) in Physics, June 1999 Professional Positions Associate Scientist, Unité Mixte de Physique CNRS/Thales and

Université Paris Sud, France (12/2007- … ) Visiting Scholar and Postdoctoral Fellow, Physics Department,

University of California-San Diego, USA (01/2005-11/2007) Adjunct Professor, Materials Physics Department, University

Complutense of Madrid, Spain (04/2004-01/2007) Teaching Assistant, Materials Physics Department, University

Complutense of Madrid, Spain (05/2002-04/2004) Visiting Researcher, Catholic University of Leuven, Belgium

(02/2003) Visiting Researcher, Physics Department, University of California-

San Diego, USA (09-12/2001) Visiting Researcher, FAMAF, Cordoba National University,

Argentine (08-10/1999) Research Interests Experimentalist: superconductivity, vortex dynamics, proximity

effects, field effects, S/F hybrids, oxide heterostructures, ferroelectricity, superlattices, multilayers, magnetic properties of ferromagnetic nanodots, exchange bias

Publications 62 papers (including 1 Science, 1 Nature Physics, 1 Nature Nanotechnology, 4 Phys. Rev. Lett., 1 Nature Comm, 1 Advances in Physics, 1 Physical Review Applied, 1 New Journal Physics, 14 Phys. Rev. B, 3 Appl. Phys. Lett.) 2 granted patents, 2 filed Conferences & Seminars ~100 paper presentations, ~40 Invited Lectures & Seminars Committees Referee for Nature, APS, AIP, IOP and Elsevier journals. Proposal evaluator for funding agencies (ANR Fr., FWO Belgium, FOM Netherlands, ISF Israel, NCN Poland, CONYCIT Chile) Honors “Outstanding PhD award”, Spanish Ministry of Education, 2005

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Selected Publications “Freezing and thawing of artificial ice by thermal switching of geometric frustration in magnetic flux lattices” J. Trastoy,M. Malnou,C. Ulysse, R. Bernard, N. Bergeal, G. Faini, J. Lesueur,J. Briatico & Javier E. Villegas, Nature Nanotechnology 9, 710 (2014) “Equal-spin Andreev reflection and long-range coherent transport in high-temperature superconductor/half-metallic ferromagnet junctions”, C. Visani, Z. Sefrioui, J. Tornos, C. Leon, J. Briatico, M. Bibes, A. Barthélémy, J. Santamaría & J. E. Villegas, Nature Physics 8, 539 (2012)

“Nanoscale electrostatic manipulation of magnetic flux quanta in superconducting/ferroelectric heterostructures”, A. Crassous, R. Bernard, S. Fusil, K. Bouzehouane, S. Enouz-Vedrenne, D. Le Bourdais, J. Briatico, M. Bibes, A. Barthélémy, and J.E. Villegas, Physical Review Letters 107, 247002 (2011).

“Bistability of a Superconducting Al thin film Induced by Arrays of Fe-nanodot Magnetic Vortices”, J.E Villegas, C.-P. Li and Ivan K. Schuller, Physical Review Letters 99,. 227001 (2007).

“Correlation Length of Quasiperiodic Vortex Lattices” , J.E Villegas, M.I. Montero, C.-P. Li and Ivan K. Schuller, Physical Review Letters 97, 027002 (2006).

“A Superconducting Reversible Rectifier That Controls the Motion of Magnetic Flux Quanta”, J.E. Villegas, S. Savel’ev, F. Nori, E. M. González, J. V. Anguita, R. García, J. L. Vicent, Science 302, 1188 (2003).

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Advisor/Mentoring/Tutoring PhD Students

1. Dr. A. Crassous (co-supervised with Prof. A. Barthélémy, 2008-2011) « Contribution à l'étude des effets de champ à l'échelle nanométrique dans des hétérostructures d'oxydes » Currently at EPFL, Lausanne, Switzerland

2. J. Trastoy-Quintela, (2011-2014) “Vortex dynamics on artificial pinning potentials”

3. L. Bégon-Lours (2012-…) “Field-effect manipulation of Josephson Currents”

4. D. Perconte (2014-…) “Proximity effect in graphene/High-TC interfaces”

5. X. Palermo (2015-…)

Undergraduate (Master & Engineering) Students 1. Kevin Smith, (University of California-San Diego, USA, 2007)

“Magnetic Vortex Pinning” 2. Aurélie Collaudin, (ESPCI engineer, 2009)

“Vortices in superconductor/ferromagnet hybrids” Currently at LPEM, ESPCI, Paris, France

3. Igor Swiecicki, (ESPCI engineer, 2010) “YBCO nano-patterning via ion irradiation”

Currently at ENS, Paris, France 4. Baptiste Calvet, (INSA engineer, 2010)

“YBCO magneto-transport” 5. David Le Bourdais (« Nanoscience » Masters, Université Paris Sud, 2011)

“Electric-field effect manipulation of high-temperature superconductivity” Currently at IEF, Orsay, France

6. Philippe Altuntas /(« Nanoscience » Masters, Université Paris Sud, 2012) “Electric-field effect manipulation of ferromagnetism in manganites”

7. Constance Moreau-Luchaire (ENS, 2013) “High-Tc superconducting currents across graphène” Currently at UMPhy, Palaiseau, France

8. Cecile Nail (INSA Lyon, 2014) (S/F proximity effects) Currently at CEA, Grenoble

9. Xavier Palermo (Université Paris Diderot, 2015) (S/F proximity effects) Currently at UMphy, Palaiseau, France

Postdocs 1. Dr. Cristina Visani (01/2010 -05/2013)

“Proximity effects in oxide superconductor/ferromagnet heterostructures” 2. Dr. Fabian Cuellar (11/2012-05/2015)

“Proximity effects with cuprate superconductors” 3. Dr. Victor Rouco (10/2015-…)

“SUSPINTRONICS”

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Teaching experience

2002-2005: University Complutense of Madrid, Spain X-Ray Diffraction; Magnetic Materials; Experimental Techniques in Electricity and Magnetism; Materials Synthesis Laboratory; General Physics Laboratory. 2009-2010 : École Polytechnique (X), Palaiseau, France « Enseignement d'Approfondissement » / Quantum Physics of Electrons 2011- … : École Centrale de Paris, France

Superconductivity Laboratory Referee

Nature Physics, Nature Communications, NPG Asia Materials, Physical Review Letters, Physical Review B, Physical Review Applied, New Journal of Physics, Advanced Materials, Advanced Science, Nanotechnology, Applied Physics Letters, Journal of Applied Physics, Journal of Physics and Chemistry of Solids, Physica B, Physica C, Superconductor Science and Technology.

Languages

Fluent in Spanish (mother tongue), English and French (written & spoken)

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Funding ID Grants as Scientist in Charge / PI:

1. “Spin transport at High TC superconducting/Ferromagnetic interfaces” Funding agency: RTRA “Triangle de la Physique” Budget : 60 k€ over two years (2010-2011). 2. “Superconducting/Ferroic hybrids: new quantum states and interactions induced effect” Funding agency: “Young Res. Grant”, ANR(France) Budget : 165 k€ over 3 years (Dec 2010- May 2014) 3. “Spin triplet proximity effect and spin-injection in high-Tc superconducting/ferromagnet hybrids” Marie Curie IEF - FP7 « People » Budget: 190 k€ over 2 years (April 2011- April 2013)“ 4. “Suspintronics” ERC Consilidator grant Budget: 2M€ over 5 years ((October 2015- October 2020)“ 5, “Supertronics” Funding agency: ANR (France) Budget : 450 k€ over 4 years (October 2015 -Ocotber 2019)

- Grants as a Partner:

1. “Superconducting 2D electron gas” (PI: N. Bergeal) Funding agency: C’Nano Ile-de-France Budget :17.5 k€ over 3 years (Dec 2010-Dec 2013) 2. “Coupling effect in magnetic patterned nanostrcutures (PI: R. Morales) Funding Agency: UE FP7 “IRSES” Budget: 323 k€ over 3 years (Jan 2013-Jan 2017 3. “Proximity effects at cuprate superconductor/graphe interfaces – SUPRA-G” Funding Agency: Labex Nano-Saclay

Budget: 60 k€ over 1 years (may 2014-may 2015)

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Invited Talks at Conferences

1. “Nanostructured superconductors: vortex dynamics under control” III GEFES Conference.

San Sebastián, Spain, June 2004.

2. “Nanostructures: confinement, proximity and induced phenomena” Trends on Novel Materials 2006 Santa Marta, Colombia, October 2006

3. ”Novel induced phenomena in Ferromagnetic / Superconducting nano-hybrids” 52nd Magnetism and Magnetic Materials Conference (MMM 2008) Florida, Tampa, USA, November 2007

4. “Induced phenomena in S/F hybrids:from fractal flux-lattices to bistable

superconductivity” NES-2008 International Worskhop on Nanostructured Superconductors Freudenstadt-Lauterbad, Germany, September 2008

5. ” Geometry and Magnetic state induced phenomena in S/F nanohybrids” American Physical Society March Meeting Pittsburg, PA, USA, May 2009

6. “Unsual transport in simple Superconducting/Ferromagnetic nanohybrids:

geometry and magnetic-state induced effects” 12th International Workshop on Vortex Matter is Superconductors Lake Yamanaka, Yamanashi, Japan, September 2009

7. “Proximity and stray magnetic field induced effects in

superconducting/ferromagnetic hybrids” International Conference on Superconductivity and Magnetism- ICSM 2010 Antalya, Turkey, April 2010

8. “Unusual magneto-transport in artificial superconducting/ferromagnetic

hybrids” NanoSelect 2010 San Feliu de Guixols, Spain, July 2010

9. “Ferroelectric manipulation of magnetic flux quanta” Intl. workshop "Functionality from Heterostructures" Obergurgl, Austria, October 2011

10. “Nanoscale modulation of high-temperature superconductivity“ Intl. Symposium “Physics at the Nanoscale“ Madrid, Spain, October 2011

11. “Nanoscale modulation of high-temperature superconductivity” Villa Conference on Complex Oxide Heterostructures Orlando, FL, USA, April 2012 12. “Proximity and Field Effects in All-Oxide Superconducting/Ferroic

Heterostructures” International Workshop On Novel Nanomagnetic And Multifunctional Materials 2012 Seoul, South Korea, June 2012

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13. “Nanoscale Field-Effects And Spin Transport In Oxide Superconducting/Ferroic

Heterostructures” IMPACT International Conference Orsay, France, Septembre 2012

14. “Long-range Penetration of Superconducting Correlations into a Half-metal

Manganite in Proximity with a Cuprate Superconductor” International Conference on the Physics of Complex Oxides, Pollensa, Majorque, Espagne, Octobre 2012

15. “All-Oxide Superconductor/Ferroic Hybrids” MAMMA-Hybrids Ischia, Italie, Octobre 2012

16. “Interface effects in oxide heterostructures combining superconductors,

ferromagnets and ferroelectrics” APS March Meeting Baltimore, MD, USA, Février 2013 17. “Nanoscale effects in complex-oxide superconducting/ferroic hybrids” ImagineNano 2013, NanoSpain Bilbao, Espagne, Avril 2013

18. “Superconducting/ferroic hybrids” International Conference on Vortex Matter and Nanostructured Superconductors Rhodes, Greece, September 2013 19. “ Superconducting Devices” International School on Oxide Electronics Cargèse, Corse, France, September 2013

20. “ Ferroelectric fied-effecs in oxides” International School on Oxide Electronics Cargèse, Corse, France, September 201 21. “ Proximity effects at high-temperature superconductor/ferromagnet interfaces” International Conference on Superconductivity and Magnetism, (ICSM 2014) Antalya, Turkey, May 2014

22. “ Superconducting hybrid systems” Journée de la Cristallographie, ENOVA meeting Paris, France, September 2014 23. “Artificial vortex pining of switchable geometry in cuprate superconductors” Vortex 2015 El Escorial, Spain, Mai 2015 24. “Oxide Superconducting Hybrids” French-US workshop on Nanoelectronics New York, USA, September 2015

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Seminars

1. “Angular dependent vortex depinning in superconductors” Katolieke Universiteit Leuven, Leuven, Belgium, February 2003. 2. “Fabrication and properties of a superconducting vortex diode” Institute of Microelectronics of Madrid, CSIC, Madrid, Spain, January 2004 3. “Manipulation of vortex-lattice dynamics using artificial pinning” Unité Mixte de Physique CNRS / Thales, Palaiseau, France, January 2007 4. "Contrôle de la dynamique des vortex par structuration de films

supraconducteurs" 16ème colloque Jeunes Chercheurs « Alain Bouyssy », Université Paris-Sud XI, Orsay, France, January 2008 5. "Intruducción a la superconductividad :fenomenología y conceptos básicos"

“Dinámica de vórtices en superconductores nanoestructurados articifialmente” “Efectos de proximidad en sistemas híbridos ferromagnético/superconductor” Curso de Doctorado del Programa de “Ciencia de Materiales” Univerisidad de Alicante, Spain, May 2008

6. “Híbridos simples con propiedades físicas inusuales” Universidad Complutense de Madrid, Spain, 27/6/2008

7. “Hybrides simples avec des propriétés physiques inhabituelles” Laboratoire de Physique des Solides, Université Paris Sud, Orsay, France, 21/05/2009

8. “ Electric-field and proximity effects at oxide superconductor/ferroic

interfaces"” École Polytechnique Fédérale de Lausanne, EPFL, Lausanne, Switzerland, 10 May 2012.

9. “ Superconducting/Ferroic Hybrids” SPEC, CEA-Saclay, Saclay, France, 10 May 2012.

10. “Superconducting/Ferroic Hybrids: Proximity And Field Effects” LOMA, Université de Bordeaux, Bordeaux, France, Février 2013.

11. “Superconducting/Ferroic Hybrids: Proximity And Field Effects” LOMA, Université de Bordeaux, Bordeaux, France, Février 2013. 12. “Superconductor/ferroic Hybrids” Donostia International Physics Center, San Sebastian, Spain, June 2013

13. “Oxide-based superconducting hybrids and nanostructures” ICMAB-CSIC, Spain, February 2015

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Publications List

1. “Tunable Flux-Matching Effects in High-T c Superconductors with Nonuniform Pinning Arrays”

J Trastoy, C Ulysse, R Bernard, M Malnou, N Bergeal, J Lesueur, J Briatico, Javier E Villegas Physical Review Applied 4, 054003 (2015) 2. “Mesoscopic magnetism and superconductivity” AC Basaran, JE Villegas, JS Jiang, A Hoffmann, IK Schuller MRS Bulletin 40, 925 (2015) 3. “Proximity driven commensurate pinning in YBa2Cu3O7 through all-oxide magnetic

nanostructures” M Rocci, J Azpeitia, J Trastoy, A Perez-Munoz, M Cabero, R F Luccas, C Munuera, F Mompean, M Garcia-Hernandez, K Bouzehouane, Z Sefrioui, C Leon, A Rivera-Calzada, J E Villegas, J Santamaría Nano Letters (2015) 4. “Magnetic field influence on the proximity effect at YBa2Cu3O7/La2/3Ca1/3MnO3

superconductor/half-metal interfaces” C Visani, F Cuellar, A Pérez-Muñoz, Z Sefrioui, C León, J Santamaría, J.E. Villegas

Physical Review B 92, 014519 (2015)

5. “Field-effect control of superconductivity and Rashba spin-orbit coupling in top-gated LaAlO3/SrTiO3 devices”

S. Hurand, A. Jouan, C. Feuillet-Palma, G. Singh, J. Biscaras, E. Lesne, N. Reyren, A. Barthélémy, M. Bibes, J. E. Villegas, C. Ulysse, X. Lafosse, M. Pannetier-Lecoeur, S. Caprara, M. Grilli, J. Lesueur & N. Bergeal Scientific Reports 5, 12751 (2015) 6. “Exchange-Bias Phenomenon: The Role of the Ferromagnetic Spin Structure” R Morales, AC Basaran, JE Villegas, D Navas, N Soriano, B Mora, C Redondo, X Batlle, Ivan K Schuller Physical Review Letters 114, 097202 (2015) 7. “Effect of disorder on the metal-insulator transition of vanadium oxides: Local versus

global effects” JG Ramirez, T Saerbeck, S Wang, J Trastoy, M Malnou, J Lesueur, Jean-Paul Crocombette, Javier E Villegas, Ivan K Schuller Physical Review B 91, 205123 (2015) 8. “Insight into spin transport in oxide heterostructures from interface-resolved magnetic

mapping” FY Bruno, MN Grisolia, C Visani, S Valencia, M Varela, R Abrudan, J Tornos, A Rivera-Calzada, AA Ünal, SJ Pennycook, Z Sefrioui, C Leon, JE Villegas, J Santamaria, A Barthélémy, M Bibes Nature Communications 6 , 6306 (2015) 9. “Nanostructuring of high-TC superconductors via masked ion irradiation for efficient

ordered vortex pinning J Trastoy, V Rouco, C Ulysse, R Bernard, G Faini, J Lesueur, J Briatico, and Javier E. Villegas Physica C: Superconductivity and its Applications 506, 195 (2014) 10. “Freezing and thawing of artificial ice by thermal switching of geometric frustration in

magnetic flux lattices” J. Trastoy,M. Malnou,C. Ulysse,R. Bernard, N. Bergeal, G. Faini, J. Lesueur,J. Briatico & Javier E. Villegas Nature Nanotechnology 9, 710 (2014)

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11. “Unusual magneo-transport of YBa2Cu3O7-d films due to the interplay of anisotropy, random disorder and nanoscale periodic pinning”

J. Trastoy, V. Rouco, C. Ulysse, R. Bernard, A. Palau, T. Puig, G. Faini, J. Lesueur, J. Briatico and J.E. Villegas New Journal of Physics 15, 103022 (2013)

12. “Ferroelectric Control of a Mott Insulator” H. Yamada, M. Marinova, P. Altuntas, A. Crassous, L. Begon-Lours, , S. Fusil, E. Jacquet, V. Garcia, K. Bouzehouane, A. Glotter, Javier E. Villegas, A. Barthélémy and M. Bibes Scientific Reports 3, 2834 (2013) 13. “All-oxide superconducting/ferroic hybrids” C. Visani, A. Crassous and J.E. Villegas European Physical Journal – Special Topics 222, 1241 (2013) 14. “BiFeO3/YBa2Cu3O7−δ heterostructures for strong ferroelectric modulation of

superconductivity” A. Crassous, R. Bernard, S. Fusil, K. Bouzehouane, J. Briatico, M. Bibes, A. Barthélémy, and Javier E. Villegas Journal of Applied Physics 113, 024910 (2013)

15. “Structural and electrical characterization of ultra-thin SrTiO3 tunnel barriers grown

over YBa2Cu3O7 electrodes for the development of high Tc Josephson junctions” L Avilés Félix, M Sirena, L A Agüero Guzmán, J González Sutter, S Pons Vargas, L B Steren, R Bernard, J Trastoy, J E Villegas, J Briático, N Bergeal, J Lesueur and G Fain Nanotechnology 23 495715 (2012)

16. "Equal-spin Andreev reflection and long-range coherent transport in high-temperature

superconductor/half-metallic ferromagnet junctions" C. Visani, Z. Sefrioui, J. Tornos,C. Leon, J. Briatico, M. Bibes, A. Barthélémy, J. Santamaría & Javier E. Villegas Nature Physics 8, 539 (2012) 17. "Strong field-matching effects in superconducting YBa2Cu3O7-delta films with vortex

energy landscapes engineered via masked ion irradiation" I. Swiecicki, C. Ulysse, T. Wolf, R. Bernard, N. Bergeal, J. Briatico, G. Faini, J. Lesueur & Javier E. Villegas Physical Review B 85, 224502 (2012). 18. "Nanoscale electrostatic manipulation of magnetic flux quanta in

superconducting/ferroelectric heterostructures" A. Crassous, R. Bernard, S. Fusil, K. Bouzehouane, S. Enouz-Vedrenne, D. Le Bourdais, J. Briatico, M. Bibes, A. Barthélémy, and J.E. Villegas Physical Review Letters, (2011). 19. "Hysteretic magnetic pinning and reversible resistance switching in

superconductor/ferromagnet multilayers" C. Visani, P. Metaxas, A. Collaudin, B. Calvet, R. Bernard, C. Deranlot, J. Briatico, K. Bouzehouane, and J.E. Villegas Physical Review B 84, 054539 (2011). 20. "Oxide tunnel barriers and interfaces for electronics and spintronics" M. Bibes, J.E. Villegas and A. Barthélémy, Advances in Physics 60, 4 (2011). 21. “Imprinting nanoporous alumina patterns into the magneto-transport of oxide

superconductors” J E Villegas et al. Nanotechnology 22, 075302 (2011)

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22. "Controllable manipulation of superconductivity using magnetic vortices" J. E. Villegas and I. K. Schuller Superconductor Science and Technology 24, 024004 (2011). 23. “Vortex-lattice mobility in Nb films with competing intrinsic random and artificial

periodic pinning” C. Chilliote, G. Pasquini, V. Bekeris, J.E. Villegas, C-P. Li and I.K. Schuller, Superconductor Science and Technology 24, 065008 (2011) 24. “Tuning exchange bias in Ni/FeF2 heterostructures using antidot arrays” M. Kovylina, M. Erekhinsky, R. Morales, J. E. Villegas, I. K. Schuller, A. Labarta and X. Batlle. Applied Physics Letters 95, 152507 (2009). 25. “Commensurability effects in magnetic properties of superconducting Nb thin films with

periodic submicrometric pores” C. Chiliotte , D.P. Daroca, G. Pasquini, V. Bekeris, C.P. Li, F. Casanova, J.E. Villegas, and I.K. Schuller Physica B- Condensed Matter 404, 2809 (2009) 26. “Joule heating and high frequency nonlinear effects in the surface impedance of High Tc

superconductors” J. Kermovant, C.J. van der Beek, J.-C. Mage, B. Marcilhac, Y. Lemaitre, J. Briatico, R. Bernard and J. E. Villegas Journal of Applied Physics 106, 023912 (2009). 27. “Anomalous, hysteretic, transverse magnetoresistance in superconducting thin films with

magnetic vortex arrays” J.E. Villegas , A. Sharoni A, C.-P. Li, and I.K. Schuller Applied Physics Letters 94, 252507 (2009). 28. “Superconducting vortex pinning with artificial magnetic nanostructures” M. Vélez, J.I. Martin, J.E. Villegas, A Hoffmann, E.M. González, J.L. Vicent and Ivan K. Schuller. Journal Of Magnetism And Magnetic Materials 320, 2547 (2008) 29. “Switchable collective pinning of flux quanta using magnetic vortex arrays: Experiments on square arrays of Co dots on thin superconducting films” J.E Villegas, K.D. Smith, L. Huang, Y. Zhu, R, Morales and Ivan K. Schuller. Physical Review B 77, 134510 (2008)

30. ”Bistability of a Superconducting Al thin film Induced by Arrays of Fe-nanodot

Magnetic Vortices” J.E Villegas, C.-P. Li and Ivan K. Schuller. Physical Review Letters 99,. 227001 (2007). 31. ” Magnetic instabilities along the superconducting phase boundary of Nb/Ni multilayers A.G. Joshi, S.A. Kryukov, L.E. De Long, E.M. Gonzalez, E. Navarro, J.E. Villegas, J.L. Vicent Journal Of Applied Physics 101, 09G117 (2007). 32. "Correlation Length of Quasiperiodic Vortex Lattices" J.E Villegas, M.I. Montero, C.-P. Li and Ivan K. Schuller Physical Review Letters 97, 027002 (2006). 33. "Reversible rectification of vortex motion in magnetic and non-magnetic asymmetric

pinning potentials " E.M. Gonzalez, M.P. Gonzalez, N.O. Nuñez, J.E. Villegas, M. Jaafa, A. Asenjo and J.L. Vicent Physica C-Superconductivity And Its Applications 437, 77 (2006). 34. "Superconductivity as a probe of magnetic switching and ferromagnetic stability in Nb/Ni

multilayers "

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L.E. De Long, S.A. Kryukov, A. Bosomtwi, W.T. Xu, E.M. Gonzalez, E. Navarro, J.E. Villegas, J.L. Vicent, C.T. Yu, and M.J. Pechan. Philosophical Magazine 86, 2735 (2006). 35. " Vortex-lattice guided motion on isotropic and anisotropic artificial pinning landscapes" J. E. Villegas, E. M. González, Z. Sefrioui, J. Santamaría, J. L. Vicent Journal Of Physics And Chemistry Of Solids 67, 482 (2006). 36. " Matching effects in the field and temperature dependences of the magnetization of

superconducting/ferromagnetic Nb/Ni multilayers" S.A. Kryukov, A. Bosomtwi, L.E. De Long, E.M. Gonzalez, E. Navarro, J.L. Vicent, J.E. Villegas and W.T. Xu. Journal Of Physics And Chemistry Of Solids 67, 610 (2006). 37. " Pinning mechanism anisotropy and dimensionality in Nb/Cu superlattices " M.P. Gonzalez, J. E. Villegas, E.M. Gonzalez, J. L. Vicent Journal Of Physics And Chemistry Of Solids 67, 616 (2006). 38. " Experimental adiabatic vortex ratchet effect in Nb films with asymmetric pinning trap" J. E. Villegas,O. Nuñez, M.P. Gonzalez, E.M. Gonzalez, J. L. Vicent Pramana-Journal Of Physics 66, 289 (2006). 39. " Vortex phases in superconducting Nb thin films with periodic pinning " J. E. Villegas, E. M. González, Z. Sefrioui, J. Santamaría, J. L. Vicent Physical Review B 72, 174512 (2005). 40. " Vortex-lattice dynamics with channeled pinning potential landscapes " J. E. Villegas, E. M. González, M. I. Montero, I. K. Schuller, J. L. Vicent Physical Review B 72, 064507 (2005). 41. " Fabrication and properties of ac-dc superconducting rectifier " E. M. Gonzalez, J. E. Villegas, M. P. Gonzalez, J. V. Anguita, and J. L. Vicent IEEE Transactions On Applied Superconductivity 15, 888 (2005). 42. "Vortex-glass Transition in Low-Tc superconducting Nb thin films and Nu/Cu

superlattices" J. E. Villegas and J. L. Vicent Physical Review B 71, 144522(2005). 43. "Experimental ratchet effect in superconducting films with periodic arrays of

asymmetric potentials" J. E. Villegas, E. M. Gonzalez, M. P. Gonzalez, J. V. Anguita, and J. L. Vicent Physical Review B 71, 024519 (2005). 44. "Barrier characteristic in Nb/Ni planar tunnel junctions" E.M. González, F.J. Palomares, R. Escudero, J.E. Villegas, J.M. González and J.L. Vicent Journal of Magnetism and Magnetic Materials 286, 146 (2005). 45. “Interface Barriers For Flux Motion in High Temperature Superconducting

Superlattices" J.E. Villegas, Z. Sefrioui, M. Varela, E.M. Gonzalez, J. Santamaría y J.L. Vicent. Physical Review B 69, 134505 (2004). 46. "A Superconducting Reversible Rectifier That Controls the Motion of Magnetic Flux

Quanta" J.E. Villegas, S. Savel'ev, F. Nori, E. M. González, J. V. Anguita, R. García, J. L. Vicent, Science 302, 1188 (2003). 47. "Directional Vortex Motion Guided by Artificially Induced Mesoscopic Potentials" J. E. Villegas, E. M. González, M. I. Montero, I. K. Schuller, J. L. Vicent

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Physical Review B 68, 224504 (2003). 48. “Vortex Motion Channeling Effects in Nb with Mesoscopic Arrays of Ni Lines" E. M. Gonzalez, J. V. Anguita, J. E. Villegas, J. L. Vicent Physica B 329-333, 1409 (2003). 49. “Magnetic switching of Nb-Ni multilayers near the superconducting critical

temperature" Kryukov, L. E. De Long, E. Navarro, J. E. Villegas, E. M. González, J. L. Vicent IEEE Transactions on Magnetics 39, 2693 (2003). 50. "Ferromagnetic/superconducting proximity effect in La

0.7Ca

0.3MnO

3/YBa

2Cu

3O

7-d superlattices"

Z. Sefrioui, D. Arias, V. Peña, J. E. Villegas, M. Varela, P.Prieto, C. León, J. L. Martinez, and J. Santamaria Physical Review B 67, 214511 (2003). 51. “Fabrication of 2D, 1D and 0D Ordered Metallic Nanostructures" E. M. Gonzalez, J. E. Villegas, D. Jaque, E. Navarro, J. L. Vicent. Vacuum 67, 693 (2002). 52. “Interplay between the vortex lattice and arrays of nanometric pinning centers" J.I. Martín, D. Jaque, E.M. González, A. Hoffman, M.I. Montero, E. Navarro, M. Vélez, J.E. Villegas, Ivan K. Schuller, J.L. Vicent Physica C 369, 135 (2002). 53. “Artificially Induced Reduction of the Dissipation Anisotropy in High-temperature

Superconductors" E. M. Gonzalez, J. E. Villegas, M. Varela, J. Santamaria, P. Prieto, I. K. Schuller, J. L. Vicent. Applied Physics Letters 80, 3994(2002). 54. “Mixed-State Properties of superconducting Nb/Ni superlattices " J.E. Villegas, E. Navarro, D. Jaque, E.M. González, J.I. Martín, J.L. Vicent. Physica C 369, 213 (2002) 55. "Superconducting and Structural properties of Nb/Ni multilayers" E. Navarro, J.E. Villegas and J.L. Vicent Journal Of Magnetism And Magnetic Materials 204, 586 (2002). 56. “Superconductivity depression in ultrathin YBa

2Cu

3O

7-d layers in

La0.7

Ca0.3

MnO3/YBa

2Cu

3O

7-d superlattices"

Z. Sefrioui, M. Varela, V. Peña, D. Arias, C. León, J. Santamaría, J. E. Villegas, J. L. Martínez, W. Saldarriaga, P. Prieto Applied Physics Letters 81 , 4568 (2002). 57. “Dissipation and Anisotropy in Ultrathin YBCO/PBCO superlattices" J.E. Villegas, E.M. González, J.L. Vicent, Z. Sefrioui, M. Varela, J. Santamaría, MRS Sym. Proc. 659, II10.4.1 (2001). 58. “Effect of Light Ion Irradiation in the Flux Dynamics of YBa

2Cu

3O

7-d Thin Films"

D. Arias, Z. Sefrioui, E.M. González, J.E. Villegas, J. Santamaría, J.L. Vicent IEEE Transactions on Applied Superconductivity 11 , 3928 (2001) 59. "Oxygen Content Influence in the Superconducting and electronic Properties of

Nd1.85

Ce0.15

Cu1.01

Oy Ceramics. "

E. Navarro, D. Jaque, J.E. Villegas, J.I. Martín, A.Serquis, F. Prado, A. Caneiro y J.L. Vicent Journal Of Alloys And Compounds 323-324, 580 (2001).

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60. " Electron-electron interaction and weak localization effects in badly metallic SrRuO3"

M.A. López de la Torre, Z. Sefrioui, D. Arias, M. Varela, J.E. Villegas, C. Ballesteros, C. León, J. Santamaría Physical Review B 63, 052403(2001). 61. "Magnetism and superconductivity in La

0.7Ca

0.3MnO

3/YBa

2Cu

30

7-δ superlattices"

P. Prieto, P. Vivas,. G. Campillo, E. Baca, L.F. Castro, M. Varela, C. Ballesteros, J.E. Villegas , D. Arias, C. León, J. Santamaría Journal Of Applied Physics 89, 8026 (2001). 62. "Crossover from three-dimensional to purely two-dimensional vortex glass transition in

deoxygenated YBCO thin films" Z. Sefrioui, D. Arias, M. Varela, J.E. Villegas, M.A. López de la Torre, C. León, G.D. Loos, J. Santamaría Physical Review B 60, 5423 (1999)

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Contributions to Conferences 1. “Oxygen Content Influence in the Superconducting and electronic Properties of Nd1.85Ce0.15Cu1.01Oy Ceramics” E. Navarro, J.E. Villegas*, D. Jaque, J.I. Martín, A.Serquis, F. Prado, A. Caneiro and J.L. Vicent 4TH INTERNATIONAL CONFERENCE ON F ELEMENTS Madrid, España September 2000 2. “Effect of Light Ion Irradiation in the Flux Dynamics of YBa2Cu3O7-d Thin Films” D. Arias, Z. Sefrioui, E.M. González, J.E. Villegas, J. Santamaría and J.L. Vicent* APPLIED SUPERCONDUCTIVITY CONFERENCE VIRGINIA BEACH, USA September 2000 3. “Dissipation and Anisotropy in Ultrathin YBCO/PBCO superlattices” J.E. Villegas, E.M. González, J.L. Vicent*, Z. Sefrioui, M. Varela, J. Santamaría MRS FALL MEETING Boston USA Novembre 2000 4. “Dissipation and Anisotropy in YBCO/PBCO superlattices” J.E. Villegas*, E.M. González, J.L. Vicent, Z. Sefrioui, M. Varela, J. Santamaría Renunión Anual del GEFES Madrid February 2001 5.”Superconducting and structural properties of Nb/Ni multilayers” E. Navarro*, J.E. Villegas and J.L. Vicent 4th INTERNATIONAL CONFERENCE ON METALLIC MULTILAYERS AACHEN, GERMANY Junio 2001 6. “Fabrication of 2D,1D and 0D ordered metallic nanostructures” E.M. González*, J.E. Villegas, D. Jaque y J.L. Vicent 7th EUROPEAN VACUUM CONFERENCE MADRID, SPAIN September 2001 7. “Mixed State properties of superconducting Nb/Ni superlattices” J.E. Villegas*, E. Navarro, D. Jaque, E.M. González, J.I. Martín and J.L. Vicent. 3rd EUROPEAN CONFERENCE OF VORTEX MATTER IN SUPERCONDUCTORS CREETE, GREECE September 2001 8. “Artificially Induced Reduction of the Dissipation Anisotropy in High-temperature Superconductors” J.E. Villegas*, E.M.González M. Varela, J. Santamaría, P. Prieto, I.K. Schuller, J.L. Vicent Reunión anual del GEFES Calella February 2002 9. “Nanometric Ni lines in Nb thin films” E.M.González*, D. Jaque, J.E. Villegas, J.I. Martín, M. Vélez, J.L. Vicent Reunión anual del GEFES Calella February 2002 10. “Study of coexisting ferromagnetic/superconductig properties of Nb/Ni superlattices” E. Navarro*, J.E. Villegas, E.M.González, J.I. Martín, J.L. Vicent Reunión anual del GEFES Calella February 2002 11. “Andreev reflections, metallic nanocontacts and tunneling effects in superconducting/magnetic junctions” E.M. González, R. Escudero, J.E. Villegas, E. Navarro, M.P. González and J.L. Vicent* TRENDS IN NANOTECHNOLOGY SANTIAGO DE COMPOSTELA, SPAIN September 2002 12. “Magnetic switching of Nb/Ni multilayers near the superconducting critical temperature” L.E. De Long*, S. Kruykov, E. Navarro, J.E. Villegas, E.M. González and J.L. Vicent AMERICAN PHYSICAL SOCIETY-MARCH MEETING

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AUSTIN (TEXAS), USA March 2003 13. “Directional vortex motion guided by artificially induced pinning potentials” J.E. Villegas*, E.M González, M.I. Montero, I.K. Schuller and J.L. Vicent AMERICAN PHYSICAL SOCIETY-MARCH MEETING AUSTIN (TEXAS), USA March 2003 14. “Angular dependence of vortex lattice motion guided by arrays of Ni dots in Nb films” J.E. Villegas, E.M González, M.I. Montero, I.K. Schuller and J.L. Vicent* The joint 9th international workshop on vortex dynamics and vortex matter OLÉRON (France) June 2003 15.”Hysteresis loops in magnetic/superconducting multilayers” S. Kruykov, J.E. Villegas, E. Navarro, L.E. De Long* and J.L. Vicent. THE XVIII INTERNATIONAL COLLOQUIUM ON MAGNETIC FILMS AND SURFACES MADRID, Spain July 2003 16. “Magnetic nanostructures in Nb thin films: anisotropy effects on the vortex-lattice geometry and vortex dynamics” J.E. Villegas*, E.M González, M.I. Montero, J.I. Martín, M. Vélez, I.K. Schuller, J.L. Vicent CENTENARIO DE LA RSEF GEFES MADRID (Spain) July 2003 17. “Critical currents in Nb thin films with anisotropic arrays of magnetic pinning centers” J.E. Villegas*, E.M González, M.P. González, J.V. Anguita, J.L. Vicent CENTENARIO DE LA RSEF, GEFES MADRID (España) July 2003 18. “Role of interface barriers on the transport properties of YBCO/PBCO superlattices” J.E. Villegas*, Z. Sefrioui, E.M González, M. Varela, J. Santamaría, J.L. Vicent CENTENARIO DE LA RSEF, GEFES MADRID (España) July 2003 19. “Superconducting Reversible Nanorectifier Based on the Ratchet Effect” J.E. Villegas, S. Savel'ev, F. Nori, E. M. González, J. V. Anguita, R. García, J. L. Vicent* 1st NANOESPAIN WORKSHOP SAN SEBASTIÁN, España March 2004 20. “Ratchet effect in Nb thin films with asymmetric pinning potentials” J.E. Villegas, S. Savel'ev, F. Nori, E. M. González, J. V. Anguita, R. García, J. L. Vicent*, AMERICAN PHYSICAL SOCIETY-MARCH MEETING MONTRÉAL , CANADA March 2004 21. “Guided Vortex-lattice Dynamics in channeled pinning potentials” J.E. Villegas, E.M González, M.I. Montero, I.K. Schuller and J.L. Vicent* AMERICAN PHYSICAL SOCIETY-MARCH MEETING MONTRÉAL , CANADA March 2004 22. “Anomalous switching of Nb/Ni superconducting/ferromagnetic multilayers L.E. De Long*, S. Kruykov, E. Navarro, J.E. Villegas, E.M. González and J.L. Vicent AMERICAN PHYSICAL SOCIETY-MARCH MEETING MONTRÉAL , CANADA March 2004 23. “Dimensionalidad y anisotropía en superredes de Nb/Cu” M.P. González*, J.E. Villegas, E.M. González and J.L. Vicent III Reunión Nacional del GEFES San Sebastián , ESPAÑA June 2004 24. “Pinning mechanism anisotropy and dimensionality in Nb/Cu superlattices” M.P. González*, J.E. Villegas, E.M. González and J.L. Vicent Spectroscopies in Novel Superconductors Sitges, ESPAÑA June 2004

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25. “Vortex-lattice guided motion on isotropic and anisotropic artificial pinning landscapes” J.E. Villegas*, E.M González, M.I. Montero, I.K. Schuller and J.L. Vicent Spectroscopies in Novel Superconductors Sitges, ESPAÑA June 2004 26. “Fabrication and Properties of a Superconducting ac-dc Rectifier” E.M. González, J.E. Villegas, M.P. González, J.L. Vicent* and J.V. Anguita. Applied Superconductivity Conference Jacksonville, Florida, USA October 2004 27. “Vortex-glass transitions in Low-Tc superconductors” J.E. Villegas*, E.M. Gonzalez, M.P. Gonzalez, and J.L. Vicent. American Physical Society Los Angeles, California, USA March 2005 28. “Ferromagnetic Switching of Nb/Ni Multilayers and Trilayers in the Superconducting and Normal States” Lance De Long*, Wentao Xu, S. Kryukov, E. Navarro, J.E. Villegas, E. Gonzalez, and Jose Vicent American Physical Society Los Angeles, California, USA March 2005 29. “FMR Study of Ferromagnetic Stability of Nb/Ni Multilayers and Trilayers” Lance De Long*, Wentao Xu, S. Kryukov, Chengtao Yu, M. Pechan, E. Navarro, J.E. Villegas, E. Gonzalez, and Jose Vicent American Physical Society Los Angeles, California, USA March 2005 30. “Vortex Pinning by Symmetric Arrays of Magnetic Nanostructures” Ivan K. Schuller*, M.I. Montero, J.E. Villegas, E.M. Gonzalez and J.L. Vicent Forum on Europe-USA Collaboration in Materials Research Strasbourg, France May 2005 31. “Nanostructured Magnetism” Ivan K. Schuller*, I. Roshchin, C.-P. Li, M. Montero, R. Morales, O. Petracic, S. Roy, Z.-P. Li, X. Battle, S.K. Sinha, M.R. Fitzsimmons, J.E. Villegas and J.L. Vicent Magnetism and Magnetic Materials (LAW3M05) Viña del Mar, Chile December 2005 32. “Vortex-lattices in quasiperiodic pinning potentials” J.E. Villegas*, M.I. Montero, C.-L. Li, and Ivan K. Schuller American Physical Society Baltimore, Maryland, USA March 2006 33. “Magnetic proximity effects” Ivan K. Schuller*, J.E. Villegas, M. Montero, R. Morales, Z.-P. Li, C.-P. Li, I.Roshchin, S. Roy, S. Sinha, J.L. Vicent, M. Fitzsimmons, X. Batlle, J.Kortright, D. Altbir, J. Mejia-Lopez, and A.H. Romero. III Joint European Symposia (JEMS-06) San Sebastián, Spain July 2006 34. “Imprinting properties of magnetic vortices into superconducting films” J.E. Villegas*, C.-P. Li and Ivan K. Schuller American Physical Society Denver, Colorado, USA March 2007 35. “Magnetic Instabilities along the Superconducting Phase Boundary of Nb/Ni Multilayers” W. Xu, A. Joshi, S. Kryukov, L. De Long*, E. Gonzalez, E. Navarro, J.E. Villegas and J.L. Vicent American Physical Society Denver, Colorado, USA March 2007 36. “Magnetoresistance in positive and negative exchange bias Ni/FeF2 bilayered 200 nm antidots”

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M. Kovylina*, R. Morales, J.E. Villegas, M. Erekhinsky, I.V. Roshchin, A. Labarta, I. K. Schuller, and X. Batlle GEFES 2008 Santiago de Compostela, Spain February 2008 37. “Switchable pinning landscapes for flux quanta using arrays of magnetic vortices'' J.E. Villegas*, K.D. Smith, L. Huang, Y. Zhu, R. Morales and I.K. Schuller American Physical Society New Orleans, LA, USA March 2008 38. “Magnetoresistance in positive and negative exchange bias Ni/FeF2 bilayered 200 nm antidots” M. Kovylina,* R. Morales, J. E. Villegas, M. Erekhinsky, I.V. Roshchin, A. Labarta, I. K. Schuller, and X. Batlle

IEEE International Magnetics Conference Madrid, Spain May 2008 39. ”Nanostructures: confinement, proximity and induced effects” Ivan K. Schuller*, J.E. Villegas, J. L. Vicent, I. Roshchin, M. Fitzsimmons, R. Pynn, Y. Zhu, T. Gredig, G. Liu, J. I. Martin, W. A. Macedo Frontiers in Materials Research Viña del Mar, Chile May 2008 40, “Induced Phenomena In S/F Hybrids:From Fractal Vortex-Lattices To Bistable Superconductivity” J.E. Villegas*, C.-P. Li, K.D. Smith, L. Huang, Y. Zhu, R. Morales M.I. Montero and I.K. Schuller SEFIRA Journées Supra 2008 Paris, France June 2008 41, “Analyse Des Proprietes D’ancrage De Films Minces D’ybco/Mgo Artificiellement Structures” R. Bernard*, J. Kermorvant, A. Vecchiola, Y. Lemaitre, D.G. Creté, C. Deranlot, B. Marcilhac, J.E. Villegas, J. Briatico, and J.-C. Mage SEFIRA Journées Supra 2008 Paris, France June 2008 42, “Non-linear effects in High-Tc supeconductors : heating phenomena” J. Kermorvant*, C.J. Van Der Beek, J.C. Mage, B. Marcilhac, D.G. Creté , J. Briatico, R. Bernard and J.-C. Mage SEFIRA Journées Supra 2008 Paris, France June 2008 43, “Nonlinear microwave effects, vortex dynamics, and local heating in HTS films” J.K. Kermorvant*, C.J. Van Der Beek, J.C. Mage, B. Marcilhac, D. Crete, Y Lemaitre, J. Briatico, R Bernard, and J.E. Villegas 25th conference on Low Temperature Physics Amsterdam, The Netherlands August 2008 44. “Non linear effect in high Tc superconductors Vortex dynamic and thermal effects” J. Kermorvant*, C.J.Van Der Beek, J.C.Mage, B.Marcilhac, Y.Lemaitre, R.Bernard, J.Briatico, J.E. Villegas, D.Crété Applied Superconductivity Conference 2008 Chicago, Illinois, USA August 2008 45. “Arrays of nanoscaled single and multi domain magnetic dots: their effect in magnetic properties of superconducting Nb thin films” V. Bekeris*, C. Chilotte1, D. Pérez Daroca1, G. Pasquini1, and J.E. Villegas Internationa Conference on Superconductivity and Magnetism Side, Turkey August 2008 46. “Superconducting/ferromagnetic nanoscale hybrid memory based on magnetization-induced bistability” Javier E. Villegas*, Chang-peng Li, Ivan K. Schuller Euroflux 2009

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Naples, Italy September 2008 47. “Arrays of nanoscaled anti-dots: the effect in magnetic properties of superconducting Nb thin films” V. Bekeris*, C. Chiliotte, D. Pérez Daroca, G. Pasquini, C.-P. Li , F. Casanova, J. E. Villegas and I. K. Schuller SLAFES XIX - Latin American Symposium on Solid State Physics Puerto Iguazú, Argentine October 2008 48. “Commensurability effects inmagnetic properties of superconducting Nb thin filmswith periodic submicrometric antidots” V. Bekeris*, C. Chiliotte, D. Pérez Daroca, G. Pasquini, C.-P. Li , F. Casanova, J. E. Villegas and I. K. Schuller At the Fronteers on Condensed Matter IV Buenos Aires, Argentine December 2008 49. “Magnetism and Superconductivity with Nanostructured Materials” Ivan K. Schuller*, A. Sharoni, F. Casanova, I. Roshchin, M. Erekhinski, D. Perez-Lara, J. L Vicent, J.E. Villegas, F. Castano, C. Ross Trends in NanoTechnology Oviedo, Spain September 2008 50. Superconducting Pinning with Magnetic Nano Structures Ivan K. Schuller*, Y. Rosen, A. Sharoni, J. E. Villegas, J. D. Perez De Lara, E. M. Gonzalez and J. L. Vicent

European Workshop On Self-Organized Nanomagnets Aussois, France March 2009 51. “Structural, ferroelectric and superconducting properties of BiFeO3/YBa2Cu3O7-x bilayers” A. Crassous*, I. Canero-Infante, V. Garcia, R. Bernard, E. Jacquet, M.Bibes, J. Briatico, J. E. Villegas, A. Barthélémy Journées SUPRA 2009 Fréjus, France June 2009 52. “Magnetoresistance in positive and negative exchange bias Ni/FeF2 bilayered antidots” M. Kovylina*, M. Erekhinsky, R. Morales, J. E.Villegas, I. K. Schuller, A. Labarta and X. Batlle

Trends in NanoTechnology (TNT2009) Barcelona, Spain September 2009 53. Magnetoresistance in positive and negative exchange bias Ni/FeF2 bilayered antidots M. Kovylina*, M. Erekhinsky, R. Morales, J. E.Villegas, I. K. Schuller, A. Labarta and X. Batlle

YUCOMAT 2009 Herceg Novi, Montenegro August 2009 54. “Fabrication and characterization of YBa2Cu3O7/BiFeO3 Superconducting/Ferroelectric Thin Film Heterostructures” A. Crassous, I. Canero-Infante, V. Garcia, R. Bernard , E. Jacquet, M. Bibes, J. Briatico, J. E. Villegas* and A. Barthélémy 9th International Conference on Materials and Mechanisms of Superconductivity (M2S-IX) Tokyo, Japan September 2009 55. “Pinning Effects by Arrays of Magnetic Dots on Superconductors” Ivan K. Schuller*, Y. Rosen, A. Sharoni, D. Perez-Lara, E.M. Gonzalez, J. L Vicent, J.E. Villegas 11th International Conference on Advanced Materials Rio de Janeiro, Brazil September 2009 56. “Tunnel Electroresistance in BiFeO3 and PbTiO3”

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ESFM2009 Groningen, The Netherlands September 2009 57. “Spectroscopic magnetrotransport across YBa2Cu3O7/La0.7Ca0.3MnO3 microjunctions” J.E. Villegas, J. Briatico, R. Bernard, M. Bibes, A. Barthelemy, Sud 11,C. Visani, Z. Sefrioui, M. Bibes, A. Barthelemy , J. Santamaria American Physical Society 2010 Portland, Oregon, USA March 2010 58. “Magnetotransportspectroscopy of high-TC superconductor/ferromagnetic microjunctions” C. Visani, J. Tornos, R. Bernard, C. Deranlot, J. Briatico, M. Bibes, A. Barthélémy, Z. Sefrioui , J. Santamaría and J. E. Villegas Paris Edge 2010 Orsay, France May 2010 59. “Magnetotransportspectroscopy of high-TC superconductor/ferromagnetic microjunctions” C. Visani, J. Tornos, R. Bernard, C. Deranlot, J. Briatico, M. Bibes, A. Barthélémy, Z. Sefrioui , J. Santamaría and J. E. Villegas Paris Edge 2010 Orsay, France May 2010 60 “Tuning exchange bias in Ni/FeF2 heterostructures using antidot arrays” M. Kovylina, M. Erekhinsky, R. Morales, J.E. Villegas, I. K. Schuller, A. Labarta and X. Batlle

GEFES 2010 Zaragoza, Spain February 2010 61 ” Hybrid magnetic superconducting nanostructures” Ivan K. Schuller, Y. Rosen, J. Villegas D. Perez de Lara, E. M. Gonzalez and J. L. Vicent Nano2010 Rome, Italy September 2010 62 ” Magnetotransport across high-TC superconductor/ferromagnetic interfaces ” C. Visani, J. Tornos, R. Bernard, C. Deranlot, J. Briatico, M. Bibes, A. Barthélémy, Z. Sefrioui , J. Santamaria and J. E. Villegas

SM-2010 International Conference Paestum, Italy September 2010 63 ” Tuning exchange bias in Ni/FeF2 heterostructures using antidot arrays ” Xavier Batlle, M. Kovylina, A. Labarta, R. Morales, J.E. Villegas, M. Erekhinsky and Ivan K. Schuller APS March Meeting Dallas, Texas, USA May 2011 64 ” Hysteretic magneto-transport of a High-Tc superconducting/ferromagnetic multilayer with tunable magnetic domain structure ” C. Visani, P.M. Metaxas, A. Collaudin, B. Calvet, R. Bernard, J. Briatico, K. Bouzehouane and J.E. Villegas APS March Meeting Dallas, Texas, USA May 2011 65 ” Magnetic-state-controlled proximity effect across high-TC superconductor/ferromagnetic interfaces” C. Visani, C. Deranlot, R. Bernard, K. Bouzehouane, J. Briatico, and J.E. Villegas APS March Meeting Dallas, Texas, USA May 2011 66 ” Hybrid Magnetic-Superconducting Nanostructures” Ivan K. Schuller, Y. J. Rosen, J.E Villegas, D. Perez de Lara, E. M. Gonzalez and J. L. Vicent Villa Conference on Interactions Among Nanostructures , Las Vegas, Nevada, USA April 2011

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67. “Giant tunnel electroresistance in ferroelectric tunnel junctions with PbTiO3 and BiFeO3 barriers” Arnaud Crassous, Vincent Garcia, Cyrile Deranlot, Eric Jaquet, Stéphane Fusil, Karim Bouzehouane, Gijsbert Rispens, A.H.G Vlooswijk, Beatriz Noheda, Manuel Bibes, Javier Villegas and Agnès Barthélémy MRS Spring Meeting San-Francisco, USA, April 2011 68. “Hysteretic magneto-transport of a High-Tc superconducting/ferromagnetic multilayer” C. Visani, P.M. Metaxas, A. Collaudin, B. Calvet, R. Bernard, J. Briatico, K. Bouzehouane and J.E. Villegas 13th International Workshop on Vortex Matter in Superconductors Chicago, Illinois, USA, August 2011 69- “Hybrid Magnetic-Superconducting Nanostructures” Ivan K. Schuller, Y. J. Rosen, J.E. Villegas, D. Perez de Lara, E. M. Gonzalez, C Chiliotte, G Pasquini, V Bekeris and J. L. Vicent 13th International Workshop on Vortex Matter in Superconductors Chicago, Illinois, USA, August 2011 70 ” Hysteretic magnetic pinning and vortex-antivortex dynamics in High-Tc superconducting/ferromagnetic multilayers” C. Visani, C. Deranlot, R. Bernard, K. Bouzehouane, J. Briatico, and J.E. Villegas EUCAS 2011, Centennial Superconductivity Conference The Hague, The Netherlands September 2011 71 ”Nanoscale modulation of high-temperature superconductivity via masked ion irradiation: a route to high-field periodic pinning” I. Swiecicki, C. Ulysse, T. Wolf, X. Hallet, R. Bernard, N. Bergeal, G. Fiani, J. Briatico, L. Piraux, J.Lesueur and J. E. Villegas EUCAS 2011, Centennial Superconductivity Conference The Hague, The Netherlands September 2011 72. “Exchange Biased Nanostructures” Ivan K. Schuller, R. Morales, M. Velez, O. Petracic, I. V. Roschin, Z.-P. Li, X. Batlle, J. M. Alameda, M. Kovylina, M. Erekhinsky, R. Morales, J. E. Villegas, I. K. Schuller, A. Labarta , A. Porat, and S. Bar-Ad MMM 2011 Houston, Texas, USA, November 2011 73. “Strong periodic flux pinning in oxygen-ion-irradiated high-TC superconductors” Javier E. Villegas, I. Swiecicki, J. Briatico, R. Bernard, A. Crassous, T. Wolf, N. Bergeal, J. Lesueur, C. Ulysse,G. Faini, X. Hallet, L. Piraux APS March Meeting 2012 Boston, MA, USA February 2012 74. “Electrostatic manipulation of magnetic flux quanta at the nanoscale” Arnaud Crassous, Rozenn Bernard, Stephane Fusil, Karim Bouzehouane, Javier Briatico, Manuel Bibes, Agnes Barthelemy, Javier E. Villegas APS March Meeting 2012 Boston, MA, USA February 2012 75. “Equal-spin Andreev reflection from quasiparticle interference effects in high-TC/half metallic ferromagnet junctions” C. Visani, R. Bernard, J. Briatico, M. Bibes, A. Barthélémy, J.E. Villegas, J. Tornos, Z. Sefrioui, J. Santamaria APS March Meeting 2012 Boston, MA, USA February 2012 76. “Induced ferromagnetism in La0.7Sr0.3MnO3/LaFeO3 interfaces and its role on magnetic tunnel junctions”

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Flavio Y. Bruno, C. Visani, A. Rivera-Calzada, J. Tornos, N.M. Nemes, S. Valencia, R. Abrudan, Y. Liu, J.W. Freeland, S.G.E. te Velthuis, M. Garcia-Hernandez, M. Varela, S.J. Pennycook, J. Santamaria, J.E. Villegas, M. Bibes, A. Barthelemy APS March Meeting 2012 Boston, MA, USA February 2012 76. “Induced ferromagnetism in La0.7Sr0.3MnO3/LaFeO3 interfaces and its role on magnetic tunnel junctions” Flavio Y. Bruno, C. Visani, A. Rivera-Calzada, J. Tornos, N.M. Nemes, S. Valencia, R. Abrudan, Y. Liu, J.W. Freeland, S.G.E. te Velthuis, M. Garcia-Hernandez, M. Varela, S.J. Pennycook, J. Santamaria, J.E. Villegas, M. Bibes, A. Barthelemy APS March Meeting 2012 Boston, MA, USA February 2012 77. “Nanoscale modulation of High-temperature Superconductivity for vortex manipulation” Javier E. Villegas, Arnaud Crassous, Rozenn Bernard, Stephane Fusil, Karim Bouzehouane, Javier Briatico, Manuel Bibes, Agnes Barthelemy, I. Swiecicki, T. Wolf, N. Bergeal, J. Lesueur, C. Ulysse,G. Faini, X. Hallet, L. Piraux Journées Supra Sefira 2012 Cargèse, France Avril 2012 78. “Equal-spin Andreev reflection from quasiparticle interference effects in high-TC/half metallic ferromagnet junctions” C. Visani, R. Bernard, J. Briatico, M. Bibes, A. Barthélémy, J.E. Villegas, J. Tornos, Z. Sefrioui, J. Santamaria Journées Supra Sefira 2012 Cargèse, France Avril 2012 79. “Hybrid Magnetic-Superconducting Nanostructures”. I.K. Schuller, Y.J. Rosen, J.E. Villegas, D. Perez de Lara, E.M. Gonzalez, C. Chiliotte, G. Pasquini, V. Bekeris and J. Vicent. Intermag 2012 Vancouver, Canada May 2012 80. “Reduced exchange bias field in antiferromagnet-patterned FeF2/Ni stripes”. R. Morales, J. E. Villegas, D. Navas, N. Soriano, E. Castellano-Hernández, X. Batlle, F. Castaño, I. K. Schuller ICM 2012 Busan, Korea July 2012 81. “Tuning exchange bias in Ni/FeF2 heterostructures using antidot arrays” Miroslavna Kovylina, R. Morales, M. Erekhinsky, J.E. Villegas, Ivan K. Schuller, Amílcar Labarta and Xavier Batlle ICM 2012 Busan, Korea July 2012 82. “Equal‐spin Andreev reflection and long‐range coherent transport in cuprate/manganite junctions.” C. Visani, R. Bernard, J. Briatico, M. Bibes, A. Barthélémy, J. Tornos, Z. Sefrioui, J. Santamaría & J. E. Villegas. WOE 2012 Appledoonr, Netherlands Septembre 2012 83. “Matching of the Flux Lattice to Geometrically Frustrated Pinning Arrays.” J. Trastoy, R. Bernard, C. Visani, A. Crassous, J. Briatico, N. Bergeal, J. Lesueur, C. Ulysse, G. Faini and Javier E. Villegas APS March Meeting Baltimore, MD, USA 84. “Field-effect modulation of exchange bias and conductivity at ferroelectric/ferromagnetic interfaces” L. Bégon Lours, P. Altuntas, A. Crassous, S. Fusil, K. Bouzehouane, E. Jacquet, M. Bibes, A.

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Barthélémy and J. E. Villegas MAMA Trend Sorrento, Italy Avril 2013 85. “Equal-spin triplet superconductivity with high-TC materials: towards superconducting spintronics” French-USA Workshop On Low-Dissipation Spintronics San Diego, CA, USA July 2013 86. “Artificial Vortex Ice is High-Temperature Superconductors” J. Trastoy, R. Bernard, C. Visani, A. Crassous, J. Briatico, N. Bergeal, J. Lesueur, C. Ulysse, G. Faini and Javier E. Villegas VORTEX VIII Rhodes, Greece September 2013 87. “Superconducting proximity effects in YBa2Cu3O7/[Co/Pt] multilayers” J.E. Villegas, C. Visani, A. Verso, F. Cuellar, C. Deranlot, V. Volkov and F. S. Bergeret. American Physical Society March Meeting 2014 Denver, Colorado, USA February 2014 88. “Effect of long-range correlations on the Metal-Insulator Transitions in Vanadium Oxides” G. Ramirez, S. Wang, T. Saerbeck, J. Lesueur, J.E. Villegas, I. K. Schuller American Physical Society March Meeting 2014 Denver, Colorado, USA February 2014 89. “Artificial pinning of vortices in nanostructure YBa2Cu3O7” J. Trastoy, M. Malnou, C. Ulysse, R. Bernard, N. Bergeal, G. Faini, J. Lesueur, J. Briatico and J.E. Villegas International workshop “Advances in Nanostructured Superconductors” Madrid, Spain May 2014 90. “High-TC superconductors/grapheme junctions” F. Cuellar*, B. Dlubak, M.B. Martin, C. Morealu.Luchaire, P. Seneor, J.E. Villegas International workshop “Physics and Applications of Nano-engineered hybrid superconductors” Castellabate, Italie September 2014 91. “Vertical Transport in Ferroelectric/Superconductor Heterostructures” L. Begon-Lours, J. Trastoy*, R. Bernard, E. Jacquest, C. Carretero, K Bouzehouane, S. Fusil, V. Garcia, S. Xavier, M. Bibes, A. Barthélémy and J. E. Villegas American Physical Society March Meeting Denver, Colorado, US March 2015 92. “Proximity Effects in Superconductor--Graphene Junctions” F. Cuellar, D. Perconte, M Martin, B. Dlubak, M. Piquemail, R. Bernard, J. Trastoy, C. Moreau-Luchaire, P. Kidambi, S. Hofmann, J. Robertson, P. Seneor, Javier E. Villegas American Physical Society March Meeting Denver, Colorado, US March 2015 93. “Insight into spin transport in oxide heterostructures from interface-resolved magnetic mapping” M.N. Grisolia, F.Y. Bruno C. Visani, S. Valencia, R. Abrudan, A.A. Unal, M. Varela, J. Tornos, A. Rivera-Calzada, Z. Sefrioui, C. Leon, J. Santamaria, S. J. Pennycook, J.E. Villegas, A. Barthelemy, M. Bibes American Physical Society March Meeting Denver, Colorado, US March 2015 94. “Ordered Pinning Arrays with Tunable Geometry via Thermal Effects” J. Trastoy,M. Malnou,C. Ulysse,R. Bernard, N. Bergeal, G. Faini, J. Lesueur,J. Briatico & Javier E. Villegas American Physical Society March Meeting

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Denver, Colorado. US March 2015 91. “Vertical Transport in Ferroelectric/Superconductor Heterostructures” L. Begon-Lours, J. Trastoy*, R. Bernard, E. Jacquest, C. Carretero, K Bouzehouane, S. Fusil, V. Garcia, S. Xavier, M. Bibes, A. Barthélémy and J. E. Villegas American Physical Society March Meeting Denver, Colorado, US March 2015 92. “Proximity Effects in Superconductor--Graphene Junctions” *F. Cuellar, D. Perconte, M Martin, B. Dlubak, M. Piquemail, R. Bernard, J. Trastoy, C. Moreau-Luchaire, P. Kidambi, S. Hofmann, J. Robertson, P. Seneor, Javier E. Villegas American Physical Society March Meeting Denver, Colorado, US March 2015 93. “Insight into spin transport in oxide heterostructures from interface-resolved magnetic mapping” *M.N. Grisolia, F.Y. Bruno C. Visani, S. Valencia, R. Abrudan, A.A. Unal, M. Varela, J. Tornos, A. Rivera-Calzada, Z. Sefrioui, C. Leon, J. Santamaria, S. J. Pennycook, J.E. Villegas, A. Barthelemy, M. Bibes American Physical Society March Meeting Denver, Colorado, US March 2015 94. “Ordered Pinning Arrays with Tunable Geometry via Thermal Effects” *J. Trastoy,M. Malnou,C. Ulysse,R. Bernard, N. Bergeal, G. Faini, J. Lesueur,J. Briatico & Javier E. Villegas American Physical Society March Meeting Denver, Colorado. US March 2015 95. “Ferromagnetic thickness dependence of exchange bias: breaking of the inverse proportionality law” *Rafael Morales, Ali C. Basaran, J.E. Villegas, D. Navas, N. Soriano, B. Mora, C. Redondo, X. Batlle, Ivan K. Schuller American Physical Society March Meeting Denver, Colorado. US March 2015 96. “Exchange bias of spring-like domain walls” *Rafael Morales, Ali C. Basaran, J.E. Villegas, D. Navas, N. Soriano, B. Mora, C. Redondo, X. Batlle, Ivan K. Schuller International Conference on Magnetism Barcelone, Spain July 2015 97. “Proximity effects is YBa2Cu3O7/[Co/Pt]n heterostructures C. Visani, F. Cuellar, A. Verso, C. Nail, C. Deranlot, F.S. Bergeret and J. E. Villegas* International Conference on Magnetism Barcelone, Spain July 2015 97. “Experimental study of proximity effects in high-Tc superconductor-graphene junctions” *D. Perconte, F. Cuellar, M Martin, B. Dlubak, M. Piquemail, R. Bernard, J. Trastoy, C. Moreau-Luchaire, P. Kidambi, S. Hofmann, J. Robertson, P. Seneor, Javier E. Villegas Rhodes, Grece September 2015