## Solid State PhysicsThis book provides an introduction to the field of solid state physics for undergraduate students in physics, chemistry, engineering, and materials science. |

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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 376

THE CLASSIFICATION OF INSULATORS The distinction between metals and

insulators is based on the

which of the possible k-

further ...

THE CLASSIFICATION OF INSULATORS The distinction between metals and

insulators is based on the

**electronic**distribution in &-space, which specifieswhich of the possible k-

**levels**are occupied. However, it is of great utility to drawfurther ...

Page 586

ellipsoidal pocket of electrons to the conduction band density of

) Consider a donor impurity with many bound

energies S,.

**Level**Density for Ellipsoidal Pockets (a) Show that the contribution of anellipsoidal pocket of electrons to the conduction band density of

**levels**gc{&), ... (c) Consider a donor impurity with many bound

**electronic**orbital**levels**, withenergies S,.

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### Contents

The Drude Theory of Metals | 1 |

The Sommerfeld Theory of Metals | 29 |

Failures of the Free Electron Model | 57 |

Copyright | |

49 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 direction Drude effect electric field electron gas electron-electron electronic levels energy gap equilibrium example face-centered cubic Fermi energy Fermi surface Figure free electron theory frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators integral interaction ionic crystals 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 vanishes velocity wave functions wave vector zero