Solid State Physics

absorption anisotropy antiferromagnetic approximation assume atoms axis bond Brillouin zone Burgers vector calculated charge conduction band conduction electrons consider corresponding Coulomb crystalline field Curie point curve denote density depends determined dipole direction discussed distribution edge dislocation effect elec electric field energy band equation exchange interaction exciton experimental expressed external magnetic field F-centers Fermi surface ferromagnetism frequency given by Eq Hamiltonian holes integral interstitial ionic crystal lattice vibrations magnetic field magnetic moment magnetic susceptibility metals method molecular molecule motion NaCl negative ions number of electrons obtain orbital oscillation paramagnetic phonon Phys point defects polarization positive potential energy quantity quantum r₁ resonance respect screw dislocation semiconductors shell shown in Fig slip plane solid specific heat specimen structure superconducting symmetry term theory tion transition trapped trons unit cell vacancies valence wave function width zero Απ