## Solid state physics |

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Page 63

In real crystals, there are forces in all three directions, and the motion of each

atom is three-dimensional motion. However, great insight can be gained by

studying a

In real crystals, there are forces in all three directions, and the motion of each

atom is three-dimensional motion. However, great insight can be gained by

studying a

**one**-**dimensional**situation, and the analysis is much less complicated.Page 71

Let us now consider the reciprocal

vectors G are defined by Eq. (2-16) to be solutions to the equation, RG = 2itn. (

Since there is only one direction in

Let us now consider the reciprocal

**one**-**dimensional**lattice. The reciprocal latticevectors G are defined by Eq. (2-16) to be solutions to the equation, RG = 2itn. (

Since there is only one direction in

**one**-**dimensional**space, R.G = RG.) Each G ...Page 72

dimensional lattice (see Fig. 3-11). Every wave in the lattice can be represented

by some wave vector k in this zone. 3-4

let us see what happens in a

...

dimensional lattice (see Fig. 3-11). Every wave in the lattice can be represented

by some wave vector k in this zone. 3-4

**One**-**Dimensional**Diatomic Lattice Next,let us see what happens in a

**one**-**dimensional**lattice with two kinds of atoms (see...

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### Contents

XRay Diffraction | 37 |

Lattice Vibrations | 61 |

Classical Model of Metals | 89 |

Copyright | |

12 other sections not shown

### Common terms and phrases

Answer Appendix basis vectors bcc lattice bond Bragg angle Bragg's Law Bravais lattice Brillouin zone called Chapter collisions conduction electrons Consider conventional unit cell Cooper pairs depletion layer diode direction dispersion curve displacement distance doped effective mass elec electric current electric field electrons and holes emitter energy band equal example Fermi energy Fermi level Fermi surface force forward biased free electron free particle frequency given by Eq inside integers ions k-space laser lattice parameter lattice points lattice vector lattice wave magnetic field n-type semiconductor NaCl negative neutrons number of electrons obtain occupied one-dimensional oscillate p-n junction photon positively charged potential energy primitive unit cell Problem rays reciprocal lattice reverse biased sc lattice scattered Schroedinger's equation shown in Fig sodium metal solid structure superconductor temperature tion transistor trons unit cell unoccupied values velocity voltage wave function wave number wave vector wavelength Wigner-Seitz cell wire x-ray diffraction zero