Introduction to Solid State Physics |
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Page 81
... THERMAL CONDUCTIVITY IN NON - METALS It is useful in discussing the conduction of thermal energy in dielec- tric substances to introduce ( following Debye ) the concept of the mean free ... thermal THERMAL CONDUCTIVITY IN NON - METALS 81.
... THERMAL CONDUCTIVITY IN NON - METALS It is useful in discussing the conduction of thermal energy in dielec- tric substances to introduce ( following Debye ) the concept of the mean free ... thermal THERMAL CONDUCTIVITY IN NON - METALS 81.
Page 84
... thermal equilib- rium . In thermal conductivity one needs not only a way of limiting the mean free path , but also a way of establishing an equilibrium dis- tribution of phonons at a given temperature . Geometrical effects may also be ...
... thermal equilib- rium . In thermal conductivity one needs not only a way of limiting the mean free path , but also a way of establishing an equilibrium dis- tribution of phonons at a given temperature . Geometrical effects may also be ...
Page 85
... thermal conductivity at room tem- perature run about an order of magnitude lower for glasses than for 2 Thermal conductivity K ( cal / cm sec deg ) 10 1 ( De Haas & Biermasz ) 10-1 10-3 Quartz crystal ( Il axis ) ( Eucken ) Fused quartz ...
... thermal conductivity at room tem- perature run about an order of magnitude lower for glasses than for 2 Thermal conductivity K ( cal / cm sec deg ) 10 1 ( De Haas & Biermasz ) 10-1 10-3 Quartz crystal ( Il axis ) ( Eucken ) Fused quartz ...
Contents
LATTICE ENERGY OF IONIC CRYSTALS | 29 |
ELASTIC CONSTANTS OF CRYSTALS | 43 |
LATTICE VIBRATIONS | 60 |
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absorption alkali halides alkali metal alloy anisotropy antiferromagnetic approximation 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 entropy equation equilibrium experimental F-center factor Fermi ferroelectric ferromagnetic free electron frequency given heat capacity holes impurity interaction interstitial ionic crystals ionized lattice constant lattice points London low temperatures magnetic field magnetic moment molecules motion nearest neighbor normal observed orbital p-n junctions parallel paramagnetic particles perovskite phonons Phys physical plane polarizability polarization positive potassium chloride potential Proc quantum range order region resonance result room temperature scattering Seitz semiconductor Shockley shown in Fig single crystal sodium chloride solids specimen spin superconducting susceptibility symmetry Table theory thermal tion unit volume valence values vector velocity wave functions x-ray zero