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 20
... THERMAL CONDUCTIVITY OF A METAL The most impressive success of the Drude model at the time it was proposed was its explanation of the empirical law of Wiedemann and Franz ( 1853 ) . The Wiedemann- Franz law states that the ratio , K / σ ...
... THERMAL CONDUCTIVITY OF A METAL The most impressive success of the Drude model at the time it was proposed was its explanation of the empirical law of Wiedemann and Franz ( 1853 ) . The Wiedemann- Franz law states that the ratio , K / σ ...
Page 21
... thermal energy toward the low - temperature side ( Figure 1.6 ) . To extract a quantitative estimate of the thermal conductivity from this picture , consider first an oversimplified " one - dimensional " model , in which the electrons ...
... thermal energy toward the low - temperature side ( Figure 1.6 ) . To extract a quantitative estimate of the thermal conductivity from this picture , consider first an oversimplified " one - dimensional " model , in which the electrons ...
Page 503
... thermal equilibrium state , with mean phonon occupation numbers : 1 n , ( k ) = eBhos ( k ) 1 ' - ( 25.35 ) the total phonon wave vector ( 25.34 ) vanishes ... thermal conductivity Lattice Thermal Conductivity : Elementary Kinetic Theory 503.
... thermal equilibrium state , with mean phonon occupation numbers : 1 n , ( k ) = eBhos ( k ) 1 ' - ( 25.35 ) the total phonon wave vector ( 25.34 ) vanishes ... thermal conductivity Lattice Thermal Conductivity : Elementary Kinetic Theory 503.
Contents
The Drude Theory of Metals | 1 |
Failures of the Free Electron Model | 57 |
Crystal Lattices | 63 |
Copyright | |
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alkali atomic band structure Bloch Bragg plane Bravais lattice Brillouin zone calculation carrier densities Chapter charge density coefficients collision conduction band conduction electrons contribution crystal momentum crystal structure density of levels dependence depletion layer described dielectric constant direction distribution Drude Drude model effect electric field electron gas electron-electron electronic levels electrostatic energy gap 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 positive 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 valence band vanishes velocity wave functions wave vector zero