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Experimental Methods of Condensed Systems Physics I

Class at Faculty of Mathematics and Physics |
NFPL145

Syllabus

Crystal growth

Methods of crystal growth, metal crystals, compound and alloy, congruent and non-congruent phase, advantages and limitations of individual methods, choice of method

Crystal growth of intermetallic compound by Czochralski method

Diffraction methods

Single crystal X-ray diffraction - crystal structure determination, crystal orientation, estimation of crystal quality

Laue method, orientation of single crystal or crystal structure determination

Powder diffraction - information in powder pattern, lattice parameters determination, phase analysis, profile analysis for real structure study, textures and stresses

Lattice parameter determination or phase analysis

Electron microscopy and diffraction

Transmission electron microscopy - methods of visualization in TEM, electron diffraction and its use for orientation determination, contrast in EM

Elemental and phase analysis

Scanning microscopy - origin of signal in SEM, interaction of electrons in solids, topographic and compositional contrast

Scanning tunneling microscopy -STM

Physical principles of microscopic methods with scanning probe in near field.

Practical task with STM. Preparation of STM experiment for study of metal adsorbate on oriented Si surface.

Raman and Infrared spectroscopy

Electron and ion spectroscopies for studies of surfaces

XPS, AES, UPS, EELS, XPD, ISS, SIMS. Surface investigations by electron and ion spectroscopies - review. Energy analysers. Technical equipment for study of surfaces. Physical principles of methods and examples of applications.

Nuclear methods of study of solids - review.

Hyperfine interactions - origin, effects. Use of nuclear methods fro study of atomic, electronic and magnetic structure, examples of applications.

Nuclear magnetic resonance and quadrupole resonance in solids.

High resolution nuclear magnetic resonance.

Positron annihilation.

Moessbauer spectroscopy.

Annotation

Experimental methods of element and phase analysis, atomic and electronic structure of the matter.

Diffraction, spectroscopy, microscopy, particle scattering. Surface microscopies. Nuclear methods.

Principles, characteristics, possibilities and limitations of the methods.

In practical part - typical experiments to individual groups of methods.