Introduction to Solid State PhysicsProblems after each chapter. |
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Page 139
... mean free path of the phonons . Several repre- sentative values of the mean free path are given in Table 6.5 . TABLE 6.5 . PHONON MEAN FREE PATH VALUES [ Calculated from ( 6.42 ) , taking u = 5 x 105 cm / sec as the average sound ...
... mean free path of the phonons . Several repre- sentative values of the mean free path are given in Table 6.5 . TABLE 6.5 . PHONON MEAN FREE PATH VALUES [ Calculated from ( 6.42 ) , taking u = 5 x 105 cm / sec as the average sound ...
Page 141
... mean free path to the length of the specimen . " PHONON MEAN FREE PATHS IN DIELECTRIC CRYSTALS The phonon mean free path A is determined principally by two processes , geometrical scattering and scattering by other phonons . If the ...
... mean free path to the length of the specimen . " PHONON MEAN FREE PATHS IN DIELECTRIC CRYSTALS The phonon mean free path A is determined principally by two processes , geometrical scattering and scattering by other phonons . If the ...
Page 143
... Mean free path ( cm ) 10-3 5x 10 -4 B 10-4 5x 10-5 10-5 10 15 O / T 20 Fig . 6.9 . Phonon mean free paths plotted on a logarithmic scale against / T . A , synthetic sapphire ( 0 ~ 980 ° K ) ; B , diamond ( 0 ~ 1840 ) ; C , solid helium ...
... Mean free path ( cm ) 10-3 5x 10 -4 B 10-4 5x 10-5 10-5 10 15 O / T 20 Fig . 6.9 . Phonon mean free paths plotted on a logarithmic scale against / T . A , synthetic sapphire ( 0 ~ 980 ° K ) ; B , diamond ( 0 ~ 1840 ) ; C , solid helium ...
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 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 resonance result room temperature rotation semiconductor Shockley shown in Fig sodium chloride solid solution space group specimen spin superconducting surface susceptibility symmetry Table theory thermal tion transistor transition unit volume vacancies valence band values vector velocity wave functions wavelength x-ray zero