Spring 2018

FYS5310/FYS9320

Electron Microscopy, Electron

Diffraction and Spectroscopy II

Electron Microscopy, Electron

Diffraction and Spectroscopy II

• Fultz & Howe. Transmission Electron Microscopy and Diffractometry of

Materials. 4th ed. Springer, 2013. [F&H]

– In particular chapters 4, 5, 12

• Williams & Carter. Transmission Electron Microscopy. 2nd ed. Springer,

2009. [W&C]

– In particular parts 3 & 4

• Various articles and papers (mandatory for PhD students)

• Handouts and lectures

• Ray Egerton. Electron Energy-Loss Spectroscopy in the Electron Microscope

• Pennycook & Nellist. Scanning Transmission Electron Microscopy: Imaging and

Analysis. [P&N]

Preliminary teaching schedule

Lectures: 2-4 hours per week

Exercises and lab: 0-4 hours per week

(on average 4 hours teaching per week)

Preliminary teaching schedule

• Lectures on Thursdays 12:15-14:00

• Exercises and lab on Wednesdays 12:15-

16:00 (not every Wednesday)

FYS5310 teaching schedulePreliminary schedule only! You should keep the class-times on Wednesdays and Thursdays open unless notified by email (or in this schedule) that there is no class

References to the textbook to Fultz & Howe unless stated otherwise.

Date Time Lecture/lab Topic Chapters HomeworkThursday 18.01.2017 12:15-14:00 Lecture Introduction to the course

Wednesday 24.01.2018 12:15-16:00 Lab/Colloquium No class

Thursday 25.01.2018 12:15-14:00 Lecture Derviation of the structure factor and the atomic form factor (01) 4.1, 4.3, 6.1

Wednesday 31.01.2018 12:15-16:00 Lab/Colloquium Going though exercise set 1 Exercise set 1 (handout)

Thursday 01.02.2018 12:15-14:00 Lecture No class

Wednesday 07.02.2018 12:15-16:00 Lab/Colloquium Going though exercise set 2 Excercise set 2 (handout)

Thursday 08.02.2018 12:15-14:00 Lecture Uses of EELS and EELS instrumentation (02) 5.1, 5.2; W&C 37

Wednesday 14.02.2018 12:15-16:00 Lab/Colloquium Going though exercise set 3 Exercise set 3 (handout)

Thursday 15.02.2018 12:15-14:00 Lecture Inelastic form factors (03)

5.4.1-5.4.3 + primer

on Dirac notation

Wednesday 21.02.2018 12:15-16:00 Lab/Colloquium No class

Thursday 22.02.2018 12:15-14:00 Lecture

Inelastic form factors, scattering cross sections, dipole selection rules

(04)

5.4.4-5.4.7, W&C 39,

plus Brehm and

Mullin on parity and

dipole selectrion

rules

Wednesday 28.02.2018 12:15-16:00 Lab/Colloquium

Thursday 01.03.2018 12:15-14:00 Lecture

Interface termination in ZnO/Cu2O

1 n m

• Parallell beam electron diffraction

• Convergent beam electron diffraction

• Brightfield and darkfield imaging

• High resolution imaging

• Brightfield scanning transmission electron microscopy

• Darkfield scanning transmission electron microscopy

• X-ray microanalysis composition analysis

• X-ray microanalysis elemental mapping

• Electron holography and phase reconstruction

• Electron energy loss spectroscopy

• Electron energy loss spectroscopic imaging and

mapping

• ++

Electron beam – sample interaction

W&C

Scattering with energy transfer

F&H

'0

0

0

kk

EE

Inelastic scattering:

Scattering without energy transfer

F&H

'0

0

0

kk

EE

k0

k’

Dk

Diffraction

Bragg’s law

• Is this a good model?

– It’s simple

– It «works»

• But does it capture the physics of what is

happening?

– Do «atomic planes» scatter?

– How can we handle more disordered systems?