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NMR in Magnetically Ordered Materials - NFPL175

Title:	NMR v magneticky uspořádaných látkách
Guaranteed by:	Department of Low Temperature Physics (32-KFNT)
Faculty:	Faculty of Mathematics and Physics
Actual:	from 2020
Semester:	winter
E-Credits:	3
Hours per week, examination:	winter s.:1/1, C+Ex [HT]
Capacity:	unlimited
Min. number of students:	unlimited
4EU+:	no
Virtual mobility / capacity:	no
State of the course:	taught
Language:	Czech
Teaching methods:	full-time

Guarantor:	doc. RNDr. Vojtěch Chlan, Ph.D. prof. RNDr. Helena Štěpánková, CSc.
Teacher(s):	prof. RNDr. Jiří Englich, DrSc. prof. RNDr. Helena Štěpánková, CSc.

Opinion survey results Examination dates WS schedule Noticeboard

Annotation -

Application of nuclear magnetics resonance to ferro-, ferri- and antiferromagnetic systems. Excitation and detection of signal of extremely broad lines. Study of crystal, electronic and magnetic structure.

Last update: T_KFNT (23.05.2003)

Aim of the course -

Nuclear magnetics resonance in ferro-, ferri- and antiferromagnetic systems.

Last update: T_KFNT (11.04.2008)

Course completion requirements -

Oral exam. Credit is a prerequisite for the exam. Credit is awarded on the basis of a paper on a given topic.

Last update: Štěpánková Helena, prof. RNDr., CSc. (14.06.2019)

Literature - Czech

E. A. Turov, M.P. Petrov, Nuclear Magnetic Resonance in Ferro- and Antiferromagnets, anglický překlad, Israel Program of Scientific Translations 1972

Last update: Chlan Vojtěch, doc. RNDr., Ph.D. (13.05.2019)

Requirements to the exam -

The exam is oral, questions are asked according to syllabus.

Credit is a prerequisite for the exam.

Last update: Chlan Vojtěch, doc. RNDr., Ph.D. (14.05.2019)

Syllabus -

1. Introduction
Magnetism of solids. Magnetic properties of some magnetic materials. Types of magnetic ordering.

2. Physical basis of magnetism
Exchange interaction. Mean field. Indirect interaction in metals. Spin waves.

3. Hyperfine interaction
Electric and magnetic moments of nuclei. Electric and magnetic interaction of nuclei and electrons. Hyperfine interactions in free ions, in metals. Experimental data. Transferred hyperfine fields.

4. NMR
Elementary description. Nuclei used in NMR of magnetics. Pulsed techniques. NMR spectra and relaxations. Inhomogeneous broadening. Correspondence of spectra and crystal, resp. magnetic structure. Temperature dependences. Quadrupolar effects. Effect of diffusion.

5. Experimental techniques
FT NMR. Broad band spectrometers. Enhancement in domains and walls.

6. Selected results of NMR in magnetics.

Last update: T_KFNT (23.05.2003)