Introduction to Solid State Physics |
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Page 115
... perovskite 391 48,000 g KTаO3 perovskite NaTaO3 perovskite KNbO3 perovskite 708 NaNbO3 perovskite 913 TAAAA h h h h LiTaO3 ilmenite 70,000 ( 425 ° C ) i LiNbO3 ilmenite WO3 modified 220 ( ? ) j perovskite • Discovered by J. Valasek ...
... perovskite 391 48,000 g KTаO3 perovskite NaTaO3 perovskite KNbO3 perovskite 708 NaNbO3 perovskite 913 TAAAA h h h h LiTaO3 ilmenite 70,000 ( 425 ° C ) i LiNbO3 ilmenite WO3 modified 220 ( ? ) j perovskite • Discovered by J. Valasek ...
Page 116
... ( perovskite ) . The third group of ferroelectrics consists of ionic crystals with crystal structures closely related to the perovskite and ilmenite struc- tures . The perovskite structure is the simplest crystal structure ( Fig . 7.1 ) ...
... ( perovskite ) . The third group of ferroelectrics consists of ionic crystals with crystal structures closely related to the perovskite and ilmenite struc- tures . The perovskite structure is the simplest crystal structure ( Fig . 7.1 ) ...
Page 122
... perovskite structure act to enhance the effect of the polarizability of the titanium ion by a factor of the order of 5 with respect to the situation when E + 4P / 3 is the local field . = LOCAL FIELD IN THE PEROVSKITE STRUCTURE The ...
... perovskite structure act to enhance the effect of the polarizability of the titanium ion by a factor of the order of 5 with respect to the situation when E + 4P / 3 is the local field . = LOCAL FIELD IN THE PEROVSKITE STRUCTURE The ...
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