## Solid State PhysicsThe Drude Theory of Metals. The Sommerfeld Theory of Metals. Failures of the Free Electron Model. Crystal Lattices. The Reciprocal Lattice. Determination of Crystal Structures by X-Ray Diffraction. Classification of Bravais Lattices and Crystal Structures. Electron levels in a Periodic Potential: General Properties. Electrons in a Weak Periodic Potential.THe Tight-Binding Method. Other Methods for Calculating Band Structure. The Semiclassical Model of Electron Dynamics. The Semiclassical Theory of Conduction in Metals. Measuring the Fermi Surface. Band Structure of Selected Metals. Beyond the Relaxation. Time Approximation. Beyond the Independent Electron Approximation. Surface Effects. Classification of Solids. Cohesive Energy. Failures of the Static Lattice Model. Classical Theory of the Harmonic Crystal. Quantum Theory of the Harmonic Crystal. Measuring Phonon Dispersion Relations. Anharmonic Effects in Crystals. Phonons in Metals. Dielectric Properties of Insulators. Homogeneous Semiconductors. Inhomogeneous Semiconductors. Defects in Crystals. Diamagnetism and Paramagnetism. Electron Interactions and Magnetic Structure. Magnetic Ordering. Superconductivity. Appendices. |

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Page 294

Because two levels in the same band whose wave vectors differ by a reciprocal

lattice vector are , in fact , identical , the shift ... 8 The interband threshold may be

due either to the excitation of electrons from the

Because two levels in the same band whose wave vectors differ by a reciprocal

lattice vector are , in fact , identical , the shift ... 8 The interband threshold may be

due either to the excitation of electrons from the

**conduction band**( highest band ...Page 569

The

directions , about 80 percent of the way to the zone boundary ( Figure 28 . 5 ) . By

symmetry each Figure 28 . 5 Constant - energy surfaces near the conduction ...

The

**conduction band**has six symmetry - related minima at points in the ( 100 )directions , about 80 percent of the way to the zone boundary ( Figure 28 . 5 ) . By

symmetry each Figure 28 . 5 Constant - energy surfaces near the conduction ...

Page 627

Thus the electronic energy levels do not have to be recomputed for the excited

configuration and the first excited state will lie an energy & c – E , above the

energy of the ground state , where & , is the

the ...

Thus the electronic energy levels do not have to be recomputed for the excited

configuration and the first excited state will lie an energy & c – E , above the

energy of the ground state , where & , is the

**conduction band**minimum and E ,the ...

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### Contents

The Drude Theory of Metals | 1 |

Free electron densities and rga | 5 |

Electrical resistivities | 8 |

Copyright | |

34 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

additional applied approximation assume atomic band boundary Bragg Bravais lattice calculation carrier Chapter charge close collisions compared condition conduction consider constant containing contribution correction crystal cubic density dependence derivation described determined direction discussion distribution effect electric field elements energy equal equation equilibrium example fact Fermi surface Figure follows free electron frequency given gives heat hexagonal holes important independent integral interaction ionic ions known lattice vector leading levels limit linear magnetic field mean measured metals method momentum motion normal Note observed occupied orbits perpendicular phonon plane positive possible potential present primitive cell problem properties reciprocal lattice reflection region relation requires result satisfy scattering semiclassical Show shown simple single solid solution space specific structure symmetry Table temperature term theory thermal vanishes volume wave functions wave vector zero zone