## Solid state physics |

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Page 321

Thus at sufficiently low temperatures

source of collisions in any real specimen. This scattering will be elastic provided

that the energy gap between the

Thus at sufficiently low temperatures

**impurity**scattering will be the dominantsource of collisions in any real specimen. This scattering will be elastic provided

that the energy gap between the

**impurity**ground state and lowest excited state ...Page 322

interacts with an

principle, independent of the other electrons. This is the major simplifying feature

of

interacts with an

**impurity**is, aside from the restrictions imposed by the exclusionprinciple, independent of the other electrons. This is the major simplifying feature

of

**impurity**scattering. In electron-electron scattering, for example, Wu depends ...Page 584

If the temperature is too low (or the

28.36) eventually fails to hold, and either nJNd or pJNa (but not both) ceases to

be negligible, i.e., one of the

If the temperature is too low (or the

**impurity**concentration too high), condition (28.36) eventually fails to hold, and either nJNd or pJNa (but not both) ceases to

be negligible, i.e., one of the

**impurity**types is no longer fully ionized by thermal ...### What people are saying - Write a review

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### Contents

The Dmle Theory of Metals | 1 |

The Sommerfeld Theory of Metals | 29 |

Failures of the Free Electron Model | 57 |

Copyright | |

48 other sections not shown

### Other editions - View all

Solid State Physics: Advances in Research and Applications, Volume 42 Henry Ehrenreich Limited preview - 1989 |

### Common terms and phrases

alkali atomic band structure Bloch boundary condition Bragg plane Bravais lattice Brillouin zone calculation carrier densities Chapter coefficients collisions conduction band conduction electrons contribution crystal momentum crystal structure density of levels dependence described determined Drude effect electric field electron gas electron-electron electronic levels energy gap equilibrium example Fermi energy Fermi surface Figure frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators integral interaction ionic crystals ions lattice planes lattice point linear magnetic field metals motion nearly free electron neutron normal modes Note number of electrons one-electron levels orbits periodic potential perpendicular phonon Phys plane waves primitive cell primitive vectors problem properties quantum reciprocal lattice vector region result scattering Schrodinger equation semiclassical semiclassical equations semiclassical model semiconductors simple cubic solid solution specific heat sphere spin superconducting symmetry temperature term thermal tight-binding valence valence band vanishes velocity wave functions wave vector zero