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Dislocations in Solids - NFPL049

Title:	Dislokace v pevných látkách
Guaranteed by:	Department of Physics of Materials (32-KFM)
Faculty:	Faculty of Mathematics and Physics
Actual:	from 2019
Semester:	both
E-Credits:	3
Hours per week, examination:	2/0, Ex [HT]
Capacity:	unlimited
Min. number of students:	unlimited
4EU+:	no
Virtual mobility / capacity:	no
State of the course:	taught
Language:	Czech, English
Teaching methods:	full-time
Note:	you can enroll for the course in winter and in summer semester

Guarantor:	prof. RNDr. Kristián Mathis, Ph.D., DrSc.
Teacher(s):	prof. RNDr. Kristián Mathis, Ph.D., DrSc. doc. PhDr. RNDr. Josef Stráský, Ph.D. RNDr. Jana Šmilauerová, Ph.D.
Classification:	Physics > Solid State Physics
Is co-requisite for:	NFPL050

Opinion survey results Examination dates WS schedule SS schedule Noticeboard

Annotation -

Relationship between dislocations and phonons. Electrons and dislocations in ionic crystals, metals and semiconductors, magnetic properties and dislocations. Dislocations and disclinations.

Last update: T_KFK (17.04.2002)

Course completion requirements - Czech

Podmínkou zakončení předmětu je absolvování zkoušky.

Last update: Pešička Josef, doc. RNDr., CSc. (24.06.2019)

Literature - Czech

1. F.R.N. Nabarro: Theory of Crystal Dislocations, Clarenton Press, Oxford 1967.

Last update: T_KFK (13.03.2003)

Requirements to the exam - Czech

Požadavky ke zkoušce odpovídají anotaci předmětu.

Zkouška je ústní.

Last update: Pešička Josef, doc. RNDr., CSc. (24.06.2019)

Syllabus -

1. Dislocations and phonons. Interaction between dislocations and phonons. Movement of dislocations influenced by phonons. 2. Dislocations and electrons. Influence of electrons on dislocation motion. Electron viscosity. Influence of the extrinsic electric and magnetic field on dislocation motion. Properties of dislocations in superplastic state. Influence of electric pulses on dislocation motion and its theoretical base. 3. Dislocations in ionec crystals Dislocation motion. Intersections of dislocations, jogs formation, electrical neutrality. Interaction of dislocations and colour centres. 4. Dislocations in semiconductors. Electrical properties of dislocations. Point defects originated during plastic deformation. Electron levels and dislocations. Dislocation in doped semiconductors and undopted materials. Multiplications of dislocations. 5. Magnetism and dislocations. Dislocations in ferromagnetic crystals. Dislocations and spin of electrons. Influence of magnetic field on dislocation motion. Influence of dislocation density on magnetic behaviour of materials. Magnetoelasticity and dislocations. 6. Dislocations and disclinations. Definitions and behaviour of disclinations. Energy of disclinations. Relationship between theory of disclinations and magnetoelasticity.

Last update: T_KFK (22.05.2003)