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 142
... occupied level and the lowest un- occupied level ( i.e. , between the " top " of the highest occupied band and the " bottom " of the lowest empty band ) is known as the band gap . We shall find that solids with a band gap greatly in ...
... occupied level and the lowest un- occupied level ( i.e. , between the " top " of the highest occupied band and the " bottom " of the lowest empty band ) is known as the band gap . We shall find that solids with a band gap greatly in ...
Page 226
... occupied levels in the band.23 By exploiting the fact that a completely filled band carries no current , 0 = zone dk v ( k ) 473 dk dk = Joccupied 473 v ( k ) + Junoccupied v ( k ) , 4π3 ( 12.20 ) we can equally well write ( 12.19 ) in ...
... occupied levels in the band.23 By exploiting the fact that a completely filled band carries no current , 0 = zone dk v ( k ) 473 dk dk = Joccupied 473 v ( k ) + Junoccupied v ( k ) , 4π3 ( 12.20 ) we can equally well write ( 12.19 ) in ...
Page 234
... occupied ( or all unoccupied ) electronic levels lie on orbits that are closed curves or ( b ) some of the occupied and unoccupied levels lie on orbits that do not close on themselves , but are extended or " open " in k - space ...
... occupied ( or all unoccupied ) electronic levels lie on orbits that are closed curves or ( b ) some of the occupied and unoccupied levels lie on orbits that do not close on themselves , but are extended or " open " in k - space ...
Contents
The Drude Theory of Metals | 1 |
The Sommerfeld Theory of Metals | 29 |
Failures of the Free Electron Model | 57 |
Copyright | |
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alkali atomic band structure Bloch 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 depletion layer described dielectric constant distribution Drude Drude model effect electric field electron gas electron-electron electronic levels electrostatic energy gap equilibrium example Fermi energy Fermi surface Figure free electron frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators interaction ionic crystals k-space lattice planes lattice point linear low temperatures macroscopic magnetic field metals neutron normal modes number of electrons one-electron levels orbits periodic potential perpendicular phonon Phys primitive cell primitive vectors Problem properties quantum reciprocal lattice vector region result scattering Schrödinger equation semiclassical semiconductors simple cubic solid solution specific heat spin superconducting symmetry term theory thermal valence band vanishes velocity wave functions wave vector zero