## Solid state physics |

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Page 6

1-4

The lattice which underlies the crystal structure in Fig. 1-1 has basis vectors given

by ai = ai, a2 = aj, (1-5) A a3 = ak, and the lattice vector is given by R = niai + ...

1-4

**Simple Cubic Lattice**The extension to three dimensions is straightforward.The lattice which underlies the crystal structure in Fig. 1-1 has basis vectors given

by ai = ai, a2 = aj, (1-5) A a3 = ak, and the lattice vector is given by R = niai + ...

Page 14

Note that each line segment which forms a cell boundary is a perpendicular

bisector of a line joining two lattice points. In three dimensions, the case of the

.

Note that each line segment which forms a cell boundary is a perpendicular

bisector of a line joining two lattice points. In three dimensions, the case of the

**sc****lattice**is simple. The Wigner-Seitz cell is the cube we already showed in Fig. 1-7a.

Page 55

vectors ai, a2, a3 of the direct lattice in real space as 27ra2 x a3 b, = ai - (a2 x a3)

' , 2na3 x ax , b2 = -f -r, 2-25 a2 - (a3 x ai) v ' _ ... We already showed that the

reciprocal lattice of an

...

vectors ai, a2, a3 of the direct lattice in real space as 27ra2 x a3 b, = ai - (a2 x a3)

' , 2na3 x ax , b2 = -f -r, 2-25 a2 - (a3 x ai) v ' _ ... We already showed that the

reciprocal lattice of an

**sc lattice**with lattice parameter o is an**sc lattice**with lattice...

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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