# Course: Introduction to Solid State Physics

Structure, transport and interaction in solid matter
1. 1

## Density of States (1d, 2d, 3d) of a Free Electron Gas

Here you will learn how to derive the 1d, 2d, and 3d density of states of a free electron gas from the k-volume and the dispersion relation.

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2. 2

## Dispersion Relation of the Monatomic Lattice Vibration

Here you will learn how to derive the dispersion relation for a linear monoatomic chain using Hooke's law.

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3. 3

## Dispersion Relation of the Diatomic Lattice Vibration

Here you will find the derivation of the acoustic and optical dispersion relation for a crystal with a diatomic basis.

Questions & Answers Why are lattice vibrations called optical and acoustic?
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4. 4

## Drude Model and the Classical Charge Transport in Metals

Drude model establishes the linear relationship between the E-field and the current density, determines the electrical conductivity and mobility.

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5. 5

## Epitaxy and 3 Important Techniques for Fabrication of Heterostructures

Here you will learn the basics of epitaxy (crystal growth), as well as different growth models and epitaxial techniques.

6. 6

## How Does Physical Vapor Deposition (PVD) Work?

Here you will learn how the PVD process is used to coat materials.

7. 7

## Photolithography: How to Make a Circuit in 7 Easy Steps

Here you will learn how integrated circuits in semiconductor technology are manufactured step by step using lithography technique.

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