Introduction to Solid State Physics |
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Page 74
... volume , measured in units 2π / L , of the sphere of radius | k | , which is ( 4π / 3 ) k3 / ( 2π / L ) 3 , whence , per unit volume of specimen , ( 5.12 ) w ( k ) = 3k2 / 2π2 , where the factor 3 arises because elastic waves of given k ...
... volume , measured in units 2π / L , of the sphere of radius | k | , which is ( 4π / 3 ) k3 / ( 2π / L ) 3 , whence , per unit volume of specimen , ( 5.12 ) w ( k ) = 3k2 / 2π2 , where the factor 3 arises because elastic waves of given k ...
Page 129
... volume , and favorably oriented domains increase in volume . The changes in domain volume are naturally accompanied by polarization changes ; a part of the dielectric constant of ferroelectric crystals undoubtedly arises from domain ...
... volume , and favorably oriented domains increase in volume . The changes in domain volume are naturally accompanied by polarization changes ; a part of the dielectric constant of ferroelectric crystals undoubtedly arises from domain ...
Page 228
... volume with wave vector between k and k + dk is2 ( 12.22 ) G ( k ) dk = П 1 k2 dk . Now , from ( 12.6 ) , dW = h2 - m k dk , whence the number of states with energy between W and W + dW is ( 12.23 ) per unit volume . g ( W ) dw = 272 ...
... volume with wave vector between k and k + dk is2 ( 12.22 ) G ( k ) dk = П 1 k2 dk . Now , from ( 12.6 ) , dW = h2 - m k dk , whence the number of states with energy between W and W + dW is ( 12.23 ) per unit volume . g ( W ) dw = 272 ...
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