Introduction to Solid State Physics |
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Page 20
... s makes with so , then is the angle of incidence , and from the figure we see that S = 2 sin 0 , ass and so are unit ... c are the basis vectors , we must have for the diffraction maxima ( 1.4 ) Фа = ( 2π / λ ) ( a · S ) = 2Th ; фъ ...
... s makes with so , then is the angle of incidence , and from the figure we see that S = 2 sin 0 , ass and so are unit ... c are the basis vectors , we must have for the diffraction maxima ( 1.4 ) Фа = ( 2π / λ ) ( a · S ) = 2Th ; фъ ...
Page 48
... c's . The thirty - six elastic stiffness constants are in this way reduced to twenty - one coefficients . Similar relations hold among the elastic compliances . The matrix of the c's or s's is therefore symmetrical . CUBIC CRYSTALS The ...
... c's . The thirty - six elastic stiffness constants are in this way reduced to twenty - one coefficients . Similar relations hold among the elastic compliances . The matrix of the c's or s's is therefore symmetrical . CUBIC CRYSTALS The ...
Page 161
... C we may determine the value of the Weiss field constant : ( 10.8 ) A - 1 = C / Tc = Ng'S ( S +1 ) us / 3ktc , ≈ 5000 , in agreement so that for iron , λ ≈ ( 4 × 10−13 ) / ( 8 × 10−17 ) with the earlier estimate of HE . - 2 ...
... C we may determine the value of the Weiss field constant : ( 10.8 ) A - 1 = C / Tc = Ng'S ( S +1 ) us / 3ktc , ≈ 5000 , in agreement so that for iron , λ ≈ ( 4 × 10−13 ) / ( 8 × 10−17 ) with the earlier estimate of HE . - 2 ...
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