Introduction to Solid State PhysicsProblems after each chapter. |
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Page 221
... entropy of a system of magnetic moments is lowered by a magnetic field . The entropy is always a measure of the order of a system ; the greater the disorder , the higher is the entropy . In the field the moments will be partly lined up ...
... entropy of a system of magnetic moments is lowered by a magnetic field . The entropy is always a measure of the order of a system ; the greater the disorder , the higher is the entropy . In the field the moments will be partly lined up ...
Page 223
... Entropy - temperature plot for adiabatic demagnetization . S T2 Entropy curve for smaller splitting H = 0 H T2 T1 T Fig . 9.6 . interaction with the other ions in the crystal ( Appendix G ) , by the interaction of the magnetic moments ...
... Entropy - temperature plot for adiabatic demagnetization . S T2 Entropy curve for smaller splitting H = 0 H T2 T1 T Fig . 9.6 . interaction with the other ions in the crystal ( Appendix G ) , by the interaction of the magnetic moments ...
Page 224
... entropy , is determined by the ratio gμBH / kT1 , provided that T100 and gμBH >> koo . The entropy of the final state at tem- perature T2 will be the same function of k0o / kT2 as the initial entropy was of guBH / kT1 , because the ...
... entropy , is determined by the ratio gμBH / kT1 , provided that T100 and gμBH >> koo . The entropy of the final state at tem- perature T2 will be the same function of k0o / kT2 as the initial entropy was of guBH / kT1 , because the ...
Contents
DIFFRACTION OF XRAYS BY CRYSTALS | 44 |
CLASSIFICATION OF SOLIDS LATTICE ENERGY | 63 |
ELASTIC CONSTANTS OF CRYSTALS | 85 |
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absorption acceptors alkali alloys approximately atoms axes axis barium titanate boundary Bragg Brillouin zone calculated chapter charge conduction band conduction electrons crystal structure cube cubic Curie point Debye density dielectric constant diffraction diffusion dipole direction discussion dislocation distribution domain effective mass elastic electric field energy equation equilibrium exciton experimental F centers factor Fermi ferroelectric ferromagnetic free electron frequency germanium given heat capacity hexagonal holes impurity interaction ionization ions lattice constant lattice point levels low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed p-n junction paramagnetic particles phonons Phys physics plane polarizability polarization positive potential Proc region resonance result room temperature rotation semiconductor Shockley shown in Fig sodium chloride solid solution space group specimen spin superconducting surface susceptibility symmetry Table theory tion transition unit volume vacancies valence band values vector velocity wave functions wavelength x-ray zero