S. Nakajima M. Murakami (Eds.)
Advances inSuperconductivity IXProceedings of the 9th International Symposiumon Superconductivity (ISS '96), October 21-24,1996, Sapporo
Volume 1
ISTEC
With 776 Figures
Springer
UNIVERSITATSBIBLIOTHEKHANNOVER
TECHNISCHEINF0RMATI0NS8IBLI0THEK
Contents of Volume 1* Invited papers
Foreword V
Preface VII
Organization of ISS'96 IX
1 Plenary Lectures
*High Temperature Superconducting Materials: Where Are We and Where Do WeNeed to Be?
M.R. BEASLEY 3
*High Tc at the IRC CambridgeW Y LIANG 9
*Eight Years in Superconductivity Research LaboratoryS. TANAKA 15
*High Temperature 63Cu NMR and NQR Studies of YBa2Cu4Og: the Spin Gap andthe Phase Diagram
C.P. SLICHTER, N.J. CURRO, R.L. COREY, T. IMAI, R. STERN, K. O'HARA,
K. YOSHIMURA, M. KATOH, K. KOSUGE, B. DABROWSKI 23
*Vortex-Dimensionality and Phases from Transport Measurements onBi2Sr2CaCu208 Crystals
R.A. DOYLE, D.T. FUCHS, W.S. SEOW, A.M. CAMPBELL, T. TAMEGAI, S. OOI,
T. MOCHIKU, K. KADOWAKI 29
2 Physics
2.1 Tunneling and Electron Spectroscopy
*Vortex Observation Using Scanning Tunneling MicroscopyI. MAGGIO-APRILE, C. RENNER, A. ERB, E. WALKER, 0 . FISCHER 39
*Studies on Atomic Images and Tunneling Spectra of Bi^Sr^CaCu^O^ bySTM/STS
M. ODA, C. MANABE, R. KUBOTA, K. HOYA, N. MOMONO, T. NAKANO, M. IDO 43
Tunneling Spectroscopy of (100), (110), and (001) Oriented YBa2Cu,O7 d andNd,.MCea i 5CuOw Surfaces
L. ALFF, H. TAKASHIMA, S. KASHIWAYA, N. TERADA, T. ITO, K. OKA, M. KOYANAGI,
Y TANAKA 49
Periodic Spikes in Tunneling Density of States of the La-Sr-Cu-O Single CrystalT. ARAY, S.E. SHAFRANJUK, K. NAKAJIMA, T. YAMASHITA, I. TANAKA, H. KOJIMA ... 53
XIII
Scanning Tunneling Microscopy/Spectroscopy Study of the Modified Surface ofBi2Sr2CaCu2O8+d
H. MUKAIDA, K. OKA, H. TOKUMOTO 57
2.2 Transport and Thermal Properties
"•Contrasting Behavior of Low-Temperature Normal-State Resistivities in High-Tc
CupratesG.S. BOEBINGER, Y. ANDO, A. PASSNER, T. KIMURA, M. OKUYA, J. SHIMOYAMA,
K. KISHIO, K. TAMASAKU, N. ICHIKAWA, S. UCHIDA, N.L. WANG, C. GEIBEL,
F. STEGLICH 63
Transport Properties of a Quasi-One Dimensional Ladder CompoundLa, SrCuO,,
l-x x 2.5
K. NOZAWA, M. NOHARA, H. TAKAGI, Z. HIROI, M. TAKANO 69
Anisotropic Thermal Diffusivity Measurement of Bi-2212 Single CrystalH. KATO, K. NARA, M. OKAJI, G.D. GU, N. KOSHIZUKA 73
Magnetoresistance of Bi2+xSr2 ;La CuO6+d Single Crystals with DifferentCarrier Concentrations
I. TOMITSUKA, H. IKEDA, R. YOSHIZAKI 77
High Pressure Study of the Electric Transport Properties of ElectrochemicallyIntercalated La2CuO4+d
S. YOMO, M. KAWAKAMI, H.-H. FENG, Z.-G. LI, P.-H. HOR, N. MORI 81
Anisotropic Hall Effect on Bi2Sr2CaCu2Ox Single Crystal Under Uniaxial StressN. WATANABE, Y. UEDA, K. TSUSHIMA, N. MORI 85
A Measurement Method of Transport Current ac Losses of High Tc
Superconducting TapesS. FUKUI, Y. KITOH, T. NUMATA, O. TSUKAMOTO, N. AMEMIYA, N. SAGA,
J. FUJIKAMI, K. HAYASHI 89
Hall Effect in the Mixed State of In FilmsS. OKUMA, N. KOKUBO 93
Hall Effect in the Mixed State for Zn and Ni Doped Single Crystalline Bi-2212L.-X. CHEN, N. AMATATSU, H. IKEDA, R. YOSHIZAKI 97
2.3 Magnetic Resonance and Microwave Studies
Interactions Between Magnetic Ions in (NdGd)2BaCuO5, Gd2BaCuO5 andY2BaCu05
N. ARAI, S. KAWASHIMA, K. YAMAMOTO, K. SUGAWARA, H. HIROSE 103
Hg-Based Cuprates: Magnetic Properties, NMR and NQR InvestigationsM. BAENITZ, M. HEINZE, W. HOFFMANN, K. LUDERS, E.V. ANTIPOV 107
NQR Study in YBa2Cu4Og Under High PressureT. MACHI, M. KOSUGE, N. KOSHIZUKA, H. YASUOKA I l l
Sensitivity of Non-Resonant Microwave Absorption for the Detection ofSuperconductivity in Non-Superconducting Hosts
K. YAMAMOTO, N. ARAI, Y. KIKUCHI, K. SUGAWARA, H. HIROSE 115
Vortex Dynamics of Bi2Sr2CaCu2Og+d Single CrystalD. OKAI, S. OHSHIMA 119
Microwave Magnetoabsorptions of Bi-2222 CompoundsK. TAGAYA, D. SUMITANI, H. SASAKURA, S. KIKKAWA, K. YOSHIARA 123
Anisotropic Quasiparticle Conductivity in the Superconducting State of High-T.Cuprates in Microwave Region
H. KITANO, A. MAEDA, T. HANAGURI 127
2.4 Optical and Ultrasonic Properties
* Anisotropy and Doping-Dependence of Energy Gap in Bi2Sr2CaCu208
T. YOKOYA, H. DING, T. TAKEUCHI, T. TAKAHASHI, J.C. CAMPUZANO, M. RANDERIA,
M.R. NORMAN, T. MOCHIKU, K. KADOWAKI 133
*Evolution of the Superconducting Gap with Doping in High-Tc Cuprates:Universal Gap Magnitude
S. UCHIDA 139
Structural Instabilities of YBa2Cu3O7 x Lattices Under Hydrostatic CompressionM.F. LIMONOV, A.P. MIRGORODSKY 145
Electronic Raman Scattering from Bi2Sr2CaCu2O8+d
J.W. QUILTY, H.J. TRODAHL, D.M. POOKE 149
Temperature Dependence of the Phonon Frequencies and Linewidths ofYBa2(CuUxAQ4Og for M = Ni and Zn
N. WATANABE, N. KOSHIZUKA 153
Phonons and Electron-Phonon Interaction in Fullerenes and Halogen-FullereneCompounds
M.F. LIMONOV, S. TAJIMA, Y.S. GRUSHKO, S.G. KOLESNIK, S.N. KOLESNIK 157
X-Ray Absorption Study of Rare-Earth Doped Ba-Cu-O Melt Systems UnderElevated Temperatures
H.S. CHAUHAN, A. ENDO, M. KAMBARA, T. UMEDA, Y. SHIOHARA 161
Photoemission Study on a Layered 4J-Electron Superconductor Sr2Ru04
I.H. INOUE, Y. HARUYAMA, Y. AIURA, S. NISHIZAKI, Y. MAENO, T. FUJITA 165
2.5 Magnetic Properties
Itinerant-Electron Magnetism of (Sr-Ca)RuO3
T. KlYAMA, K. YOSHIMURA, K. KOSUGE 171
Superconductivity in Spinel-Type Compounds Cu, xNixRh2S4
N. MATSUMOTO, H. HONMA, Y. KATO, S. YASUZUKA, K. MORIE, N. KIJIMA,
S. EBISU, S. NAGATA 175
Magnetic Properties of 2-D System BaCo, xCuxS2
A. IRIZAWA, K. YOSHIMURA, K. KOSUGE 179
Relationship Between T. and Pauli-para Magnetic Susceptibility of YBa2Cu307 d
and Bi2Sr2CaCu2O CompoundsS. OHSHIMA, N. OHYAMA, S. KAMBE, K. OKUYAMA 183
Second Peak and Magnetization Jump in Bi2Sr2Ca(Cu: xNix)2O8+d Single CrystalsM. TANIGUCHI, H. IKEDA, R. YOSHIZAKI 187
Superconductor-Insulator Transition in Uniformly Disordered Two-DimensionalFilms
S. OKUMA, T. TERASHIMA, N. KOKUBO 191
Critical Scaling Behavior in the ac Impedance of Indium Films in MagneticFields
N. KOKUBO, S. OKUMA 195
ac Magnetic and Mechanical Response at the Onset of Superconductivity inMagnetic Fields
S. OKUMA, H. YOSHIDA, T. ITO, N. KOKUBO 199
ac Susceptibility Measurement in the Bi2+xSr2(x+ ;La CuO6+z Single CrystalK. OYAMA, N. KURODA, H. IKEDA, R. YOSHIZAKI 203
The ac Magnetic Response of Powder-Melting-Process Sn-Doped YBCOSuperconductors
B. CHEN, Y FENG, L. ZHOU, N. KOSHIZUKA 207
ac Susceptibility Study of Nd(BaNd)2Cu3Ox Single CrystalsB. CHEN, K. KURODA, N. KOSHIZUKA 211
Irreversibility Field for Pb-1223 SuperconductorsT. TAMURA, S. ADACHI, X.-J. WU, T. TATSUKI, R. USAMI, K. TANABE 215
Improvement of the Crytical Current Density in YBCO Single Crystal by O+ IonImplantation
H.Y NAN, M. MURAKAMI, S. TANAKA 219
The Estimation of the Superconductive Volume Fraction in the UntwinnedYBa2Cu307 d Single Crystals from Reversible Magnetization
A.I. RYKOV, E.M. FORGAN, S. TAJIMA 223
Nonlinear Magnetic Response in Granular Samples of Bij 7Pb03Sr2Ca2Cu3OA.K. PRADHAN, S.B. ROY, S. KUMAR, P. CHADDAH, R. PRASAD, N.C. SONI,
K. ADHIKARY 227
Second Peak in Vortex Phase Magnetization of B^ 7Pb0 3Sr2CaCu2Og+d
Y. YAMAGUCHI, K. OKA, Z. ZOU '. *. 231
Relation Between Second Peak and Magnetic Relaxation in LaBa2Cu3O7 SingleCrystal
Y. KODAMA, K. OKA, Y. YAMAGUCHI, Y NISHIHARA, K. KAJIMURA 235
Current-Voltage Relations of YBa2Cu3Ox Thin Films in High Magnetic FieldsK. NAKAO, T. UTAGAWA, Y. ENOMOTO, N. KOSHIZUKA 239
High Resolution Vortex Dissipation Studies of Single Crystal YBa2Cu3O7 d
Using High-Q Mechanical OscillatorsK. MOCHIZUKI, A.L. BARR, J.T. MARKERT 243
2.6 Structural Properties
Superconducting Properties of Nd1+xBa2 xCu3O7 d Single Crystals Grown by theTSFZ Method
K. KURODA, K. ABE, S. SEGAWA, J.-G. WEN, H. UNOKI, N. KOSHIZUKA 249
Change in the Carrier Number by Ca Doping and Pressure in Y, Ca Ba,Cu,O1-X x 1 3 y
SystemT. HONMA, K. YAMAYA, N. MORI, M. TANIMOTO 253
Influences of H2O Absorption on Crystal Structure and Superconductivity inYBa2Cu3Ox
S. EDO, T. TAKAMA 257
Modification of Crystallinity and Surface of SrTiO3 Substrate by Low Energy O+
Beam Irradiation: Ion Energy and Dose Rate DependenceH.Y. NAN, G. PINDORIA, F. WANG, K. KAWAGUCHI, Y. YOSHIDA, T. MORISHITA 261
Microstructure in Low-Temperature Structural Phase Transitions ofLa,fin SrNdn^CuO,
1.60-x x 0.40 4
Y. INOUE, Y HORIBE, Y KOYAMA 265
Valence-Bond Structure in YBa2Cu3069 and CuGeO3 Studied by LaboratoryX-Ray Diffraction
T. IDA, M. IZUMI, W.-Z. HU, K. NAKANISHI, S. ADACHI, K. TANABE, S. TANAKA,
Y. SASAGO, K. UCHINOKURA 269
Electron Density Distribution of Copper Oxides with One-Dimensional Cu-0Chain
K. NAKANISHI, S. ADACHI, A. TSUKAMOTO, K. TANABE, W.Z. HU, T. IDA,
M. IZUMI 273
How to Enhance Coherence Length Along c-Axis (zc) of High-T. CuprateSuperconductors
H. IHARA, A. IYO, K. TANAKA, K. TOKIWA, N. TERADA, M. TOKUMOTO, K. ISHIDA,
M. UMEDA 277
Cristallographic Features of Sr3 xCaxRu2OY. INOUE, M. HARA, Y. KOYAMA, S. IKEDA, Y. MAENO, T. FUJITA 281
Effect of Atmosphere Pressure on Decomposition of Bi, 7Pb03Sr2Ca2Cu3Ox
H. ZHANG, Y ZHAO, Q.R. FENG, B. CHEN, F. RITTER, W.ASSMUS 285
Features of Crystal Structures in the Correlated Electron System La : xSrxTiO3
M. ARAO, Y. KOYAMA, F. MUNAKATA 289
2.7 Theory
Effects of Strong Randomness on S-Wave SuperconductorsT. KOYAMA, S. ODASHIMA 295
ac Josephson Effects in Intrinsic Layered SuperconductorsT. KOYAMA 299
Monte Carlo Evidence for High T. Superconductive Glass Behavior in JosephsonJunction Array Model
C. KAWABATA, M. TAKEUCHI 303
Theory of Local Density of States in D-Wave Superconductors with RoughSurface
Y. TANUMA, Y. TANAKA, M. YAMASHIRO, S. KASHIWAYA 307
Theory of Quasiparticle Properties and Josephson Effect in Grain BoundaryD-Wave Superconductors
Y TANAKA, S. KASHIWAYA 311
Electronic Structure, Insulator-Metal Transition and Superconductivity ink-(BEDT-TTF)2X Salts
V. IVANOV, Y MURAYAMA 315
Possible Explanation of the Wide Range of Isotope Effect Coefficient ValuesC. BUZEA, T. YAMASHITA, K. NAKAJIMA, C.G. BUZEA, M. AGOP 319
Complex Conductivity and Surface Impedance of Superconductor Based onModified Two Fluid Model
K. ITOH, M. KURIBAYASHI, K. OHSHIMA, T. NISHIMURA 323
3 Chemistry
3.1 New Materials and New Superconductors
Fundamental Understanding of Melt Processing for High-Jc Nd-Ba-Cu-0Superconductors
S.-I. Yoo, M. MURAKAMI 331
*Synthesis and Properties of New Hg-Based Homologous Superconductors;(Hg,Tl)-22(n-l)n
A. TOKIWA-YAMAMOTO, T. TATSUKI, X.-J. WU, S. ADACHI, K. TANABE 335
A New Series of Oxycarbonate Superconductors (Cu,C)Sr2Can , 0 ^ 0 . , ^ (n=2,5)Prepared at High Pressure
A.T. MATVEEV, Y. MATSUI, E. TAKAYAMA-MUROMACHI 341
Preparation and Properties of (Cu,Re)Sr2(Y,Ca)Cu2Oy
J. JIN, Y. MASUDA, X. Wu, K. TANABE \ 345
Preparation and Superconductivity of (B1_xCx)(Sr]_yBay)2Can_1Cun02n+3 (n=2~5)A. IYO, T. SAYA, K. TOKIWA, N. TERADA, M."TOKUMOTO, H. IHARA ." 349
Synthesis and Crystal Structures of 326-Type New Cuprates, (Nd,Sr,Ca)3Cu2O6
M. ISOBE, Y. MATSUI, E. TAKAYAMA-MUROMACHI 353
Preparation and Properties of Ln3Ba2Mn2Cu2O|2 (Ln=Lanthanide)I. MATSUBARA, R. FUNAHASHI, K. UENO, N. KIDA, N. OHNO 357
Exploration of a New Hg-Based Cuprate (Hg07Mo03)Sr2(Ca,_xNdx)Cu2Oz
E. KANDYEL, T. KAMIYAMA, H. ASANO, M. ABOU SEKKINA 361
Superconductivity in Single Crystal of PrBa2Cu3Ox
Z. Zou, K. OKA, T. ITO, Y. NISHIHARA '...!. 365
3.2 Crystallinity, Oxygen Content, and Carrier Doping
*Oxygen Stoichiometry and Copper Valency in Superconducting CupratesStudied by Chemical Methods
M. KARPPINEN, H. YAMAUCHI, L. NIINISTO 371
Coulometric Determinations of Valence of Metal Ions and Oxygen Content inYBa2(Cu, xTx)3Oy (T=Fe, Co and Ni)
K. YOSHIMURA, M. KATO, W. YOSHIOKA, T. UEDA, K. KOSUGE 377
Hole Doping Routes and Confined Net Holes in Superconducting CupratesH. YAMAUCHI, M. KARPPINEN 381
TEM and NQR Investigation of Y2Ba4Cu7O15 d
M. KATO, H. KATO, T. OHMURA, M. NAKANISHI, T. MIYANO, K. YOSHIMURA,
M. KAKIHANA, K. KOSUGE 387
Mechanochemistry of the Lateral Surfaces in the Crystals of Layered CupratesA.I. RYKOV, M.F. LIMONOV, S. TAJIMA 391
Study on the Crystal Structure and Superstructure in Superconducting"Pb"-12(n-l)n Homologous Series
X.-J. Wu, T. TAMURA, S. ADACHI, T. TATSUKI, K. TANABE 395
Effect of Oxygen Partial Pressure on the Formation of(Hg,Tl)2Ba2Caii.]Cun0y (n=l-6) Phases
T. TATSUKI, A. TOKIWA-YAMAMOTO, Y. MORIWAKI, T. TAMURA, X.-J. Wu,
S. ADACHI, K. TANABE 399
XPS Study of Bi-Based Superconductor Surfaces Heated in VariousAtmospheres
A. SHIBASAKI, S. KISHIDA, H. TOKUTAKA, K. FUJIMURA, H. NAOE 403
Crystallinity and Cation Distribution of Heavily Ca-Substituted YBa2Cu,Oy
K. NAKANISHI, H. YAKABE, A. TSUKAMOTO, N. KOSHIZUKA, K. TANABE 407
The Effect of Heat Treatment in the Superconducting La, g4Sr0 |6Cu04+d
H. KAGEYAMA, M. KATO, K. YOSHIMURA, K. KOSUGE 411
3.3 Phase Relations and Syntheses
*The (Cu,X)Ba2(Y,Ca)n ,CunOy Superconducting Family (X=C, B, N): Influence ofthe Cation and Oxygen Stoichiometry
C. CHAILLOUT, E. GAUTIER, S. L E FLOCH, C. ACHA, A. SULPICE, J.L. THOLENCE,
P. BORDET, M. MAREZIO 417
Synthesis and Electrical Conductivity of RECuO2+d (RE=Y, La, Pr, Nd, Smand Eu) Delafossite
K. ISAWA, Y YAEGASHI, M. KOMATSU, M. NAGANO, S. SUDO, M. KARPPINEN,
H. YAMAUCHI 423
*Synthesis and Neutron Powder Diffraction Study of HgBa2Cu04+d
E.V. ANTIPOV, S.N. PUTILIN, V.A. ALYOSHIN, D.A. MIKHAILOVA,
A.M. BALAGUROV 427
Attempt to Synthesis of Cu-System Superconductors Under MPa OrderPressure
Y. KODAMA, K. KATO, M. AWANO 433
Preparation of Films in the (Ba, JLax)3Cu3(O,F) System Using the Sol-GelMethod
Y. MASUDA, J.-S. JIN, K. NAKANISHI, X.-J. Wu, K. TANABE 437
Sol-Gel Preparation and Properties of Sr2Cu(O,F) Thin FilmsS. FUJIHARA, T. KIMURA, Y MASUDA, J. JIN, K. TANABE 441
Preparation of NdBa2Cu3O7 d Superconducting Ceramics by Sol-Gel MethodG. MURAKAMI, Y MASUDA, J. JIN, S. FUJIHARA, K. TANABE, T. KIMURA 445
Growth of Pb-Substituted Bi-2201 Single Crystal by Floating Zone MethodI. CHONG, T. TERASHIMA, Y BANDO, M. TAKANO, Y MATSUDA, T. NAGAOKA,
K. KUMAGAI 449
A New Slow Cooling Method of Synthesizing NdBa2Cu3O7 d Single CrystalsS. SHIBATA, H. UNOKI, K. KURODA, N. KOSHIZUKA 453
Fabrication and Superconducting Properties of HgBa2Ca2Cu3O Films by SprayPyrolysis Technique
Y MORIWAKI, T. SUGANO, C. GASSER, A. FUKUOKA, K. NAKANISHI, S. ADACHI,
K. TANABE 457
Fluorination of La2CuO4 and Related Compounds Using NH4F as a FluorinatingReagent
S. ADACHI, T. TATSUKI, A. TOKIWA-YAMAMOTO, X.-J. Wu, K. TANABE 461
4 Flux Pinning
4.1 Flux Observation
*Magneto-Optical Imaging and Current Distributions in High-T. SuperconductorsA. POLYANSKII, A. PASHITSKI, A. GUREVICH, J.A. PARRELL, M. POLAK,
D.C. LARBALESTIER, S.R. FOLTYN, P.N. ARENDT 469
Field Inhomogeneity at the Surface of YBa2Cu3O7 d and ESR AnomaliesA. NISHIDA, C. TAKA, K. HORAI 475
Observation of Vortices in Bi-2212 and Y-123 Single CrystalS. OHSHIMA, A. KAMIMURA, K. OKUYAMA 479
A Fine Observation of Vortices by a New Low Voltage Accelerated Scanning ElectronMicroscope
U. EGUCHI, S. OHSHIMA, A. KAMIMURA, N. TANNO 483
Direct Observation of Anisotropic Flux Penetration in OCMG ProcessedNdBCO Bulk Superconductors Using the Magneto-Optical Faraday Effect
M. ZAMBONI, S.-I. YOO, K. WAKI, T. HIGUCHI, S. KOISHIKAWA, N. SAKAI,
M. MURAKAMI 487
4.2 Flux Pinning and Flux Dynamics
•Direct Numerical Experiments on Vortex Dynamics and SuperconductingPlasma in Layered High-Tc Superconductors
M. MACHIDA, M. TACHIKI, T. KOYAMA, S. TAKAHASHI, A. TANAKA 493
A Comparison of Jc(B,T) Characteristics Between a Ndl23 Single Crystal and aMelt-Grown Nd-Ba-Cu-0 Bulk
T. HIGUCHI, S.-I. Yoo, K. WAKI, N. HAYASHI, H. FUJIMOTO, M. MURAKAMI 499
The aft-Plane Anisotropy of the Peak Effect in the Twin-Free YBa2Cu3O7 d
Single CrystalsA.I. RYKOV, S. TAJIMA 503
Proton Irradiation Effects on Effective Activation Energies of QMG-YBCOS. OKAYASU, Y. KAZUMATA 507
Clear Evidence for Vortex Pinning Along Twin Boundaries in YBa2Cu307 SingleCrystal
T. ISHIDA, K. OKUDA, H. ASAOKA, Y. KAZUMATA, K. NODA, H. TAKEI 511
Flux Pinning Centers in Powder Melting Processed Ho-Added YBCOY. FENG, J.G. WEN, L. ZHOU, N. KOSHIZUKA 515
Flux Creep of NdBa2Cu307 x SuperconductorsT. MOCHIDA, A.J. VAN DALEN, M.R. KOBLISCHKA, K. SAWADA, H. KOJO,
M. MURAKAMI 519
Effect of Oxygen Annealing on the Magnetization Behavior ofMelt-Textured Re 123
S. OZAWA, N. CHIKUMOTO, N. HAYASHI, S.I. Yoo, M. MURAKAMI, M. OTSUKA 523
Effect of High Temperature Annealing on Nd-Ba Substitution of Ndl23Superconductivity
J. YOSHIOKA, N. CHIKUMOTO, T. HIGUCHI, N. SAKAI, M. MURAKAMI, M. OTSUKA 527
High-Pressure Oxygenation Studies in Melt-Textured Sml23 and Ndl23Superconductors
N. CHIKUMOTO, N. HAYASHI, H. KOJO, T. EGI, T. MACHI, N. KOSHIZUKA,
M. MURAKAMI 531
Fluctuation of Ba/Nd Ratio in Single Crystals of High-Jc NdBa2Cu,O7 d
SuperconductorT. HIRAYAMA, Y IKUHARA, M. NAKAMURA, Y. YAMADA, Y. SHIOHARA 535
Isotropic Short Columnar Pinning CentersR. WEINSTEIN, R.-P. SAWH, Y. REN, J. Liu 539
New Chemical Pinning CenterR. WEINSTEIN, R.-P. SAWH, Y. REN 543
Effect of Heat Treatment on Jc Characteristics in QMG YBa2Cu,Oy
Y. TOMOKIYO, S. MURAKAMI, Y. SUYAMA 547
Pinning Potential of Superconductors Estimated from High-TemperatureMagnetization
N. SAKAMOTO, Y. IDE, K. MIZUSAKI, S. IWASAKI, T. AKUNE 551
Effect of High-Energy Heavy-Ion Irradiation on the Critical Current Density ofBi-2212 Single Crystals
T. TERAI, Y. ITO, K. KISHIO, J. SHIMOYAMA, S. OKAYASU, Y. KAZUMATA 555
Flux Pinning by Columnar Defects in Bi2Sr2CaCu2Og+y CrystalsA.K. PRADHAN, S.B. ROY, G. PINDORIA, P. CHADDAH, D. KANJILAL, N. KOSHIZUKA,
C. CHEN, B.M. WANKLYN 559
Change in Superconducting Properties of Bi-2212 Single Crystal Due to FastNeutron Irradiation Followed by Thermal Annealing
T. TERAI, T. KOBAYASHI, Y. ITO, K. KISHIO, J. SHIMOYAMA 563
Columnar Defects Generated with B 1 lMev Irradiation in Bi2Sr2CaCu2Ox SingleCrystal
Y SASAKI, W.L. ZHOU, Y. IKUHARA 567
Upper Critical Field of Multilayers with Different Coherence LengthsT. MATSUSHITA, Y NAKAYAMA 571
Critical State in Superconducting Strip-Array Systems with Transport CurrentY MAWATARI 575
4.3 Electromagnetic Properties
•Probing of the Phase Diagram of Layered High Tc Superconductors by MonteCarlo Simulations
A.E. KOSHELEV 581
*Thermodynamic Order of the Vortex Solid to Vortex Liquid Transformation inBSCCO
D.E. FARRELL 587
Structure of Vortex Line in the Glass State of YBa2Cu307 d FilmsT. NOJIMA, A. KAKINUMA, Y. KUWASAWA 593
ac Susceptibility Measurements Under the External dc Magnetic Fields forNd-123 Superconductor
M. WATAHIKI, S.I. Yoo, M. MURAKAMI 597
Preparation and Magnetic Properties of Untwinned YBa2Cu3Oy Single CrystalsT. NAITO, T. NISHIZAKI, Y. WATANABE, N. KOBAYASHI 601
High-Field Paramagnetic Effect in Large YBa2Cu307 d CrystalsA.I. RYKOV, S. TAJIMA, F.V. KUSMARTSEV 605
Estimation of Dynamic Transport Properties in High Tc Superconductors Basedon the Percolative Partial Flux Flow Model
T. Kiss, T. NAKAMURA, F. IRIE, V. VYSOTSKY, K. FUNAKI, M. TAKEO,
K. YAMAFUJI 609
Longitudinal Elastic Correlation Length of Flux Lines Along the c-Axis Nearthe Peak Field in Bi-2212 Single Crystal
M. KIUCHI, H. YAMATO, T. MATSUSHITA 613
Fast Flux Creep in Bi2212 CrystalsH. SASAKURA, T. YASUNAGA, O. MIURA, D. ITO 617
Josephson Plasma Resonance in Bi2Sr2CaCu2Og+ with Various Oxygen ContentsT. TAMEGAI, M. SATO, A. MASHIO, T. SHIBAUCHI, S. OOI 621
Scaling of Current-Voltage Characteristics in Superconducting Bi-2212Silver-Sheathed Tape Wires
K. NOGUCHI, M. KIUCHI, M. TAGOMORI, T. MATSUSHITA, T. HASEGAWA 625
V-I Characteristics Close to the Magnetization 'Step' in Bi-2212G. RAJARAM, K. MURATA, Y. YAMAGUCHI, N. SHIRAKAWA, Y NISHIHARA 629
Effect of Carrier Doping on Irreversibility Field of Bi-2212 SuperconductorsM. KIUCHI, M. TAGOMORI, H. YAMATO, T. MATSUSHITA, M. WAKATA 633
Electric Field Structure on the Surface of Superconducting Pb-In Slab inLongitudinal Magnetic Field
A. SHIMOGAWA, N. MORITA, E.S. OTABE, T. MATSUSHITA 637
Irreversibility Field in Multifilamentary Nb-Ti Wires with Fine FilamentsH. MATSUOKA, E.S. OTABE, T. MATSUSHITA, T. HAMADA 641
Relationship Between J-B Characteristics and Irreversibility Lines inOCMG-Processed Nd-Ba-Cu-O Bulk Superconductors
K. WAKI, T. HIGUCHI, N. CHIKUMOTO, S.I. Yoo, N. HAYASHI, H. KOJO, N. SAKAI,
M. MURAKAMI 645
Author Index 1-1
Key Word Index I-IX
Contents of Volume 2
5 Wires, Tapes, and Bulk5.1 YBCO Type Superconductors5.2 BSCCO, TBCCO, and Other Type Superconductors5.3 Applications
6 Thin Films6.1 Epitaxial Growth and Preparation Technologies6.2 Growth Mechanism and Characterization
7 Device Applications7.1 Josephson Junctions7.2 SQUID7.3 Microwave Devices7.4 Other Superconducting Devices
8 System Applications8.1 Electric Power Apparatus8.2 Magnetic Levitation and Magnetic Bearings8.3 Current Lead, Bus Bar, and Persistent Current Switching8.4 Magnetic Shielding and Other Applications
