Introduction to Solid State Physics |
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Page 259
... zone П α 2π 3п α α 2nd zone Fig . 13.7 . Brillouin zones of a linear monatomic lattice with lattice constant a . the wave vector k plays the same role , as we see from ( L.15 ) . The equation determining the position of the energy ...
... zone П α 2π 3п α α 2nd zone Fig . 13.7 . Brillouin zones of a linear monatomic lattice with lattice constant a . the wave vector k plays the same role , as we see from ( L.15 ) . The equation determining the position of the energy ...
Page 261
... zones shown in Fig . 13.7 . Each zone or band is readily shown to contain 2N electronic states , as may be seen on thinking of the bands as arising from the overlap of atomic states . If each atom has two valence electrons , there will ...
... zones shown in Fig . 13.7 . Each zone or band is readily shown to contain 2N electronic states , as may be seen on thinking of the bands as arising from the overlap of atomic states . If each atom has two valence electrons , there will ...
Page 262
... zone or band before filling the corners of the first zone . If we estimate energies on the free electron model , we find that the kinetic energy of an electron at a corner of the first zone is higher than that of an elec- tron at the ...
... zone or band before filling the corners of the first zone . If we estimate energies on the free electron model , we find that the kinetic energy of an electron at a corner of the first zone is higher than that of an elec- tron at the ...
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