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 226
... holes . When one chooses to regard the current as being carried by positive holes rather than negative electrons , the electrons are best regarded as merely the absence of holes ; i.e. , levels occupied by electrons are to be considered ...
... holes . When one chooses to regard the current as being carried by positive holes rather than negative electrons , the electrons are best regarded as merely the absence of holes ; i.e. , levels occupied by electrons are to be considered ...
Page 228
... holes near band maxima of high symmetry is known as the " hole effective mass . " More generally , one defines an " effective mass tensor " : where the sign is - [ M ̄ ̄1 ( k ) ] ij =土 1 72ɛ ( k ) ħ2 ĉk ; Ck ; = 1 êr ; ± ( 12.29 ) or + ...
... holes near band maxima of high symmetry is known as the " hole effective mass . " More generally , one defines an " effective mass tensor " : where the sign is - [ M ̄ ̄1 ( k ) ] ij =土 1 72ɛ ( k ) ħ2 ĉk ; Ck ; = 1 êr ; ± ( 12.29 ) or + ...
Page 598
... holes ) flow in one direction as in the other . When V 0 , this balance is disrupted . Consider , for example , the current of holes across the depletion layer . This has two components : 1. A hole current flows from the n- to the p ...
... holes ) flow in one direction as in the other . When V 0 , this balance is disrupted . Consider , for example , the current of holes across the depletion layer . This has two components : 1. A hole current flows from the n- to the p ...
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 boundary condition Bragg plane Bravais lattice Brillouin zone calculation carrier densities Chapter coefficients collisions conduction band conduction electrons contribution crystal momentum density of levels dependence described determined Drude effect electric field electron gas electron-electron electronic levels energy gap equilibrium example Fermi energy Fermi surface Figure frequency given Hamiltonian hexagonal holes impurity independent electron approximation insulators integral interaction ionic crystals k-space k₂ 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 Schrödinger equation semiclassical semiclassical equations semiclassical model semiconductors simple cubic solid solution specific heat sphere spin superconducting symmetry temperature term thermal tight-binding valence valence band vanishes velocity wave functions wave vector zero