Solid State PhysicsThis book provides an introduction to the field of solid state physics for undergraduate students in physics, chemistry, engineering, and materials science. |
From inside the book
Results 1-3 of 45
Page 185
... binding energy decreases ) so does the spatial extent of its wave function . Correspondingly , the low- lying bands in a solid are very narrow , but bandwidths increase with mean band energy . In metals the ... Tight - Binding Method 185.
... binding energy decreases ) so does the spatial extent of its wave function . Correspondingly , the low- lying bands in a solid are very narrow , but bandwidths increase with mean band energy . In metals the ... Tight - Binding Method 185.
Page 186
... tight- binding approximation to the levels of the entire crystal.13 5. In the heavier elements spin - orbit coupling ( see page 169 ) is of great importance in determining the atomic levels , and should therefore be included in a tight - ...
... tight- binding approximation to the levels of the entire crystal.13 5. In the heavier elements spin - orbit coupling ( see page 169 ) is of great importance in determining the atomic levels , and should therefore be included in a tight - ...
Page 187
... narrow tight - binding bands . As the conduction band narrowed , the velocity of the electrons in it would diminish and the conductivity of the metal would drop . Thus , we would expect a conductivity that dropped continuously to zero ...
... narrow tight - binding bands . As the conduction band narrowed , the velocity of the electrons in it would diminish and the conductivity of the metal would drop . Thus , we would expect a conductivity that dropped continuously to zero ...
Contents
The Drude Theory of Metals | 1 |
The Sommerfeld Theory of Metals | 29 |
Failures of the Free Electron Model | 57 |
Copyright | |
48 other sections not shown
Other editions - View all
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 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