Introduction to Solid State Physics |
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Page 81
... mean free path concept is suggested by analogy with the use of the molecular mean free path in the kinetic theory of transport phenomena in gases . For a qualitative discussion we define a quantity A , having the character of a mean ...
... mean free path concept is suggested by analogy with the use of the molecular mean free path in the kinetic theory of transport phenomena in gases . For a qualitative discussion we define a quantity A , having the character of a mean ...
Page 82
... MEAN FREE PATHS The phonon mean free path A is determined principally by two processes , geometrical scattering and scattering by other phonons . If the forces between atoms were purely harmonic , there would be no mechanism for ...
... MEAN FREE PATHS The phonon mean free path A is determined principally by two processes , geometrical scattering and scattering by other phonons . If the forces between atoms were purely harmonic , there would be no mechanism for ...
Page 238
... mean drift velocity of the electrons in an electric field ; N is the number of electrons per unit volume . The equation of motion of a free electron is ( 12.71 ) so that ( 12.72 ) = mi eE , = mv = mv ( 0 ) + eEt . We suppose that at t O ...
... mean drift velocity of the electrons in an electric field ; N is the number of electrons per unit volume . The equation of motion of a free electron is ( 12.71 ) so that ( 12.72 ) = mi eE , = mv = mv ( 0 ) + eEt . We suppose that at t O ...
Contents
LATTICE ENERGY OF IONIC CRYSTALS | 29 |
ELASTIC CONSTANTS OF CRYSTALS | 43 |
LATTICE VIBRATIONS | 60 |
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absorption alkali alloy anisotropy antiferromagnetic approximately atoms axes axis Bardeen barium titanate boundary calculated charge coefficient conduction band cube Curie point Debye density diamagnetic dielectric constant diffraction diffusion dipole direction discussed dislocation displacement domains effect elastic electric field energy entropy equation equilibrium experimental F-centers factor Fermi ferroelectric ferromagnetic free electron frequency given heat capacity holes impurity interaction ionic crystals ionized ions lattice constant lattice points London low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed optical orbital parallel paramagnetic particles perovskite phonons Phys physical plane polarizability polarization positive potassium potassium chloride potential Proc quantum resonance result room temperature scattering Seitz shear Shockley shown in Fig single crystal sodium chloride solids specimen spin strain stress superconducting surface susceptibility symmetry Table theory thermal tion transition unit volume vacancy valence values vector velocity wave functions x-ray zero