## 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 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 578

If the

binding energy of the electron would just be the first ionization potential of the

the ...

If the

**impurity**were not embedded in the semiconductor, but in empty space, thebinding energy of the electron would just be the first ionization potential of the

**impurity**atom, 9.81 eV for arsenic. However (and this is of crucial importance inthe ...

Page 581

POPULATION OF

extent to which carriers can be thermally excited from

compute the mean number of electrons in the levels at a given temperature and ...

POPULATION OF

**IMPURITY**LEVELS IN THERMAL EQUILIBRIUM To assess theextent to which carriers can be thermally excited from

**impurity**levels, we mustcompute the mean number of electrons in the levels at a given temperature and ...

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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