SOLID STATE PHYSICS

Second cycle degree in PHYSICS

Campus: PADOVA

Language: English

Teaching period: First Semester

Lecturer: FRANCESCO ANCILOTTO

Number of ECTS credits allocated: 6


Syllabus
Prerequisites: Knowledge of elements of elementary quantum mechanics.
Knowledge of elements of elementary Statistical Mechanics
(distribution functions, statistical ensembles, ensemmble
averages, etc.)
Examination methods: Oral exam
Course unit contents: Chemical bonds in solids;
The structure of crystals;
Bravais lattices and bases;
Simple crystal structures;
Reciprocal lattice;
Diffraction by periodic structures and experimental techniques;
The Bragg law;
Adiabatic approximation;
Lattice dynamics;
Harmonic approximation,
The dynamical Matrix;
phonons;
Monoatomic and diatomic linear chains;
Spectroscopy of phonons;
Thermal properties of crystals;
Lattice specific heat;
Anharmonic effects: thermal expansion, thermal conductivity of insulating materials;
"free" electrons model;
Electronic specific heat;
electrostatic screening in a Fermi gas.;
Bloch theorem;
Band structure;
"quasi-free" electron approximation;
"tight binding" approximation;
Examples of band structures;
Transport phenomena;
The Drude model;
Hall effect in metals;
Semiclassical model;
The concept of "hole";
Electrical and thermal conductivity in metals;
Law of Wiedemann and Franz;
Semiconductors;
Cyclotron Resonance;
Carriers concentration in intrinsic and extrinsic semiconductors;
"Doping" and dopant states;
electron and hole mobility;
Electrical conductivity in semiconductors;
Hall effect in semiconductors;
The Fermi surface in real metals.
Superconductivity.