Introduction to Solid State Physics |
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Page 51
... wave with particle motion along a 110 direction propagates along a 110 direction with velocity [ ( C11 C12 ) / 2p ] . The first two results are derived below , and the latter result is the basis of ... wave ELASTIC WAVES IN CUBIC CRYSTALS 51.
... wave with particle motion along a 110 direction propagates along a 110 direction with velocity [ ( C11 C12 ) / 2p ] . The first two results are derived below , and the latter result is the basis of ... wave ELASTIC WAVES IN CUBIC CRYSTALS 51.
Page 52
... waves should propagate in all directions with equal velocities . However , the longitudinal wave velocity is not necessarily equal to the transverse wave velocity . The anisotropy factor A in a cubic crystal is defined as ( 3.31 ) A ...
... waves should propagate in all directions with equal velocities . However , the longitudinal wave velocity is not necessarily equal to the transverse wave velocity . The anisotropy factor A in a cubic crystal is defined as ( 3.31 ) A ...
Page 264
... wave may be treated as a plane wave in the direction k . The amplitude B will be proportional to the strength of the incident wave at ro , so that ( 13.42 ) and ( 13.43 ) B = Bovi ( ro ) Vs ( ro ; r ) = Boei ( k ― k ' ) · rik'.r ̧ Now ...
... wave may be treated as a plane wave in the direction k . The amplitude B will be proportional to the strength of the incident wave at ro , so that ( 13.42 ) and ( 13.43 ) B = Bovi ( ro ) Vs ( ro ; r ) = Boei ( k ― k ' ) · rik'.r ̧ Now ...
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