## Solid state physics |

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Page 176

In Chapter 9 we calculated

nearly free conduction electrons, only weakly perturbed by the periodic potential

of the ions. We can also take a very different point of view, regarding a solid (

metal ...

In Chapter 9 we calculated

**electronic levels**in a metal by viewing it as a gas ofnearly free conduction electrons, only weakly perturbed by the periodic potential

of the ions. We can also take a very different point of view, regarding a solid (

metal ...

Page 582

acceptor level). The binding energy of the hole is &„ — £„, and when the hole is "

ionized" an additional electron moves into the ... 23 When describing acceptor

levels as

level, ...

acceptor level). The binding energy of the hole is &„ — £„, and when the hole is "

ionized" an additional electron moves into the ... 23 When describing acceptor

levels as

**electronic levels**one usually ignores the electron that must be in thelevel, ...

Page 586

Level Density for Ellipsoidal Pockets (a) Show that the contribution of an

ellipsoidal pocket of electrons to the conduction ... (c) Using the fact that a volume

fl of A-space contains fi/4n3

formula V ...

Level Density for Ellipsoidal Pockets (a) Show that the contribution of an

ellipsoidal pocket of electrons to the conduction ... (c) Using the fact that a volume

fl of A-space contains fi/4n3

**electronic levels**per cubic centimeter and theformula V ...

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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