## Solid state physics |

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Page 90

Following each collision, an electron acquires a new

and magnitude. In between collisions, the electron is free of any interaction and

moves in a straight line at constant

...

Following each collision, an electron acquires a new

**velocity**, both in directionand magnitude. In between collisions, the electron is free of any interaction and

moves in a straight line at constant

**velocity**. The path of an electron in this model...

Page 122

traveling with

Eq. (6-12) represents a particle moving with

the group

traveling with

**velocity**vg, the particle is also. In other words, the wave function inEq. (6-12) represents a particle moving with

**velocity**vg. This**velocity**vg is calledthe group

**velocity**of the wave. For a free particle, we have h ,2 u = k . 2m The ...Page 171

Harold T. Stokes. CHAPTER 9 ELECTRICAL CONDUCTIVITY OF METALS 9-1

Group

using the band theory developed in the previous chapter. As usual, we will first

treat ...

Harold T. Stokes. CHAPTER 9 ELECTRICAL CONDUCTIVITY OF METALS 9-1

Group

**Velocity**In this chapter, we will discuss electrical conductivity of metalsusing the band theory developed in the previous chapter. As usual, we will first

treat ...

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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