Fys 208. Solid State Physics
List of Topics
Introduction

Crystal Structure, Lattice (Gitter in Norw.) vibrations

Crystals as "huge molecules"

Quantum Mechanics.....
The Dynamics of Lattice vibrations, Thermic properties of Solids

Dispersion relations ( and normal modes) for a string

(one dimensional 'crystal')

Heat capacity, Einstein's model,

Heat capacity, Debye's model

Heat conduction

Phonons

Anharmonic Effects, Umklapp process; Thermal Expansion
Electrons in Metals: Classical and Fermi Gas

Classical Gas: Drude's Model: Relation between electic and thermal

Conductivity

Fermi Gas: Fermi Gas Model, Density of States, Fermi Energy

Quantal Theory for Heat capacity of Electrons
Electrons in crystals: Band Theory

Blochs Theorem

Details of Fourier analysis for construction of Bloch States

LCAO

1dimensional models

Weak potential models

Number of states in a band; Metals, Insulators Semiconductors

3dimensional models
Electrons in crystals: Electron Dynamics

Equations of Motion,

Effective Mass; Effective Mass and Density of States
Metals; Fermi Surface

Electron Motion in Magnetic field, Importance of Fermi Surface

Temperature dependence of electric conductivity.

Polycrystalline structure of metals
Semiconductors

Energy Gap; Number of states in a Band

Density of Charge Carrires: Electrons and Holes

Law of Mass Action (massevirkningsloven) Analogy with Chemistry

Impurities; Donors and Acceptors; Impurity states

Mobilities

The physics of the pn junction
Hall Effect

Hall effect in conductors

Hall effect in semiconductors
Magnetic Phenomena

Diamagnetism; Quantal derivation

Paramagnetism; Paramagnetism of Electrons in Metals

Cooperative Magnetism
Ferromagnetism

Heisenberg Ferromagnet

Mean Field Theory: Spontaneous magnetization, Hysteresis
Superconductivity

Basic principles, Meissner Effect

Illustrative Models, Correlated states

Superconductivity and Magnetism; Quantization of magnetic Flux

Type I, Type II and high T superconductors
Details of Crystal Structure

Crystal Symmetry; Unit cells, WignerSeitz; Brillouin; Miller indices

Types of Lattices
Crystal Structure and Xray Diffraction

Braggs Law; von Lau's methods; Ewald's Sphere

Neutron Diffraction

Diffraction: Experimental methods
ladi@hpatom.fi.uib.no
January 19th, 1999