Solid State Physics I PHYS3110

Syllabus for Solid State Physics I

PHYS3110

Current Lecturer

Prof. Haixia CAO     Email: hxcao@suda.edu.cn

Prof. Xuefeng WANG   Email: wxf@suda.edu.cn

Course Time

6th Semester

Lectures: 4 sessions/week, 50min /session. 18 weeks.

Course Description

Solid State Physics I is a basic course of Applied Physics. The subject focuses on the relationship between the solid microstructure and particles and the law of their motion. The subject illustrates the solid properties and application, especially solid state theory and band theory. The topics include: Crystal structure, Binding of solid, Lattice vibration, Electronic energy band, Electron dynamics in solid.

Prerequisites

General Physics I (PHYS1025); General Physics II (PHYS1026); Modern Physics (PHYS1027); Thermal Physics (PHYS3102); Quantum Mechanics (PHYS3109) and Statistical Mechanics (PHYS3127)

Textbooks

Neil W. Ashcroft and N. David Mermin, Solid State Physics (Harcourt: Orlando, 1976).

Charles Kittel, Introduction to Solid State Physics (Wiley: New York, 2004).

黄昆. 固体物理学. 北京:人民教育出版社,1988.

Main contents

Week

Teaching Contents

Sessions

Objectives

1

Introduction to the Course

Crystal Lattices

1+3

Bravais Lattice and Primitive Vectors

Simple, Body-Centered, and Face-Centered Cubic Lattices

Primitive Unit Cell, Wigner-Seitz Cell, and Conventional Cell

Crystal Structures and Lattices with Bases

Chapter 4

2

Crystal Lattices

The Reciprocal Lattices

2+2

Hexagonal Close-Packed and Diamond Structures

Sodium Chloride, Cesium Chloride, and Zincblende Structures

Definitions and Examples of Reciprocal Lattices

First Brillouin Zone, Lattice Planes, and Miller Indices

Chapters 4, 5

3

Determination of Crystal

Structures by X-Ray Diffraction

Classification of Bravais Lattices and Crystal Structures

2+2

Formulation of Bragg and von Laue

The Laue Condition and Ewalds Construction

Symmetry Operations and the Classification of Bravais Lattices

The Seven Crystal Systems and Fourteen Bravais Lattices

Chapter 6, 7

4

Classification of Solids

Quiz 1

3+1

The Spatial Distribution of Valence Electrons

Ionic Crystals, Covalent Crystals and Metals

Molecular Crystals and Hydrogen-Bonded Solids

Chapter 19, Quiz 1

5

Cohesive Energy

2

The Noble Gases: The Lennard-Jones Potential

Density, Cohesive Energy, and Bulk Modulus of the Solid Noble Gases

Chapter 20

6

Cohesive Energy

Failures of the Static Lattice model

2+2

Ionic Crystals: The Madelung Constant

Failures of the Static Lattice Model

The Harmonic Approximation

The Adiabatic Approximation

Chapters 20, 21

7

Classical Theory of the Harmonic Crystal

2+2

One-Dimensional Monatomic Bravais Lattice

Three-Dimensional Monatomic Bravais lattice

One-Dimensional Lattice with a Basis

Chapters 22

8

Classical Theory of the Harmonic Crystal

Quantum Theory of the Harmonic Crystal

2+2

Three-Dimensional Lattice with a Basis

Relation to Theory of Elasticity

Normal Modes and Phonons

Models of Debye and Einstein

Chapter 22, 23

9

Quantum Theory of the Harmonic Crystal

Midterm Review

Midterm Exam

2+2

Models of Debye and Einstein

Comparison of Lattice and Electronic Specific Heats

Density of Normal Modes (Phonon Level Density)

Chapter 23, Midterm review, Midterm

10

Electrons Levels in a Periodic Potential: General Properties

4

The Periodic Potential and Blochs Theorem

Born-von Karman Boundary Condition

Chapter 8

11

Electrons Levels in a Periodic Potential: General Properties

4

Crystal Momentum, Band Index, and Velocity

The Fermi Surface

Nearly free electron model

Chapter 8

12

Electrons in a Weak Periodic Potential

(Nearly free electron model)

4

Perturbation Theory and Weak Periodic Potentials

Energy Levels Near a Single Bragg Plane

Illustration of Extended-, Reduced-, and Repeated-Zone Schemes in One Dimension

Chapter 9

13

Electrons in a Weak Periodic Potential

(Nearly free electron model)

The Tight-Binding Method

2+2

Fermi Surface and Brillouin Zones

Linear Combinations of Atomic Orbitals

Chapters 9, 10

14

The Tight-Binding Method

4

Application to Bands from s-Levels

General Features of Tight-Binding Levels

Chapter 10

15

Quiz 2

The Semiclassical Model of Electron Dynamics

1+3

Wave Packets of Bloch Electrons

Semiclassical Mechanics

General Features of the Semiclassical Model

Quiz 2, Chapter 12

16

The Semiclassical Model of Electron Dynamics

4

Static Electric Fields

The General Theory of Holes

Uniform static magnetic fields

Chapter 12

17

             Magnetic structure

4

Types of Magnetic Structure

Diamagnetism, Paramagnetism, Ferromagntism, Antiferromagnetism,Ferrimagnetism

Chapter 31,32,33

18

Review of the whole course

 4

General Review and Preparation for final exams

Marking Scheme:

Homework

Attendance

Quiz1

Midterm

Quiz2

Final exam

10%

10%

10%

20%

10%

40%



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