Introduction to Solid State Physics |
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Page 151
... temperature T2 . ULTIMATE TEMPERATURE REACHED The lowest temperature reached in adiabatic demagnetization is largely limited by the natural splitting of the spin energy levels occur- ring even in the absence of external magnetic fields ...
... temperature T2 . ULTIMATE TEMPERATURE REACHED The lowest temperature reached in adiabatic demagnetization is largely limited by the natural splitting of the spin energy levels occur- ring even in the absence of external magnetic fields ...
Page 246
... temperature only above the Debye temperatures , 13 as the differences between the types of averages involved in electrical and thermal conductivity become important when at low temperatures small angle electron - phonon collisions are ...
... temperature only above the Debye temperatures , 13 as the differences between the types of averages involved in electrical and thermal conductivity become important when at low temperatures small angle electron - phonon collisions are ...
Page 262
... temperature regions , T≫ and T , where is the Debye temperature of the lattice . The first calculations were made by Bloch . In the high temperature region the calculated conductivity is proportional to T - 1 , and in the low ...
... temperature regions , T≫ and T , where is the Debye temperature of the lattice . The first calculations were made by Bloch . In the high temperature region the calculated conductivity is proportional to T - 1 , and in the low ...
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