Introduction to Solid State Physics |
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Page 8
... symmetry . It is convenient to dissect the total symmetry of a crystal into simple fundamental symmetry elements applied at a single point . Crystals may be classified into thirty - two symmetry classes on the basis of the number and ...
... symmetry . It is convenient to dissect the total symmetry of a crystal into simple fundamental symmetry elements applied at a single point . Crystals may be classified into thirty - two symmetry classes on the basis of the number and ...
Page 9
... symmetry element . Center of inversion . A crystal possesses a center of inversion if the crystal would be brought into self - coincidence by the operation r → → r , where r is the vector position of a point in the crystal referred to ...
... symmetry element . Center of inversion . A crystal possesses a center of inversion if the crystal would be brought into self - coincidence by the operation r → → r , where r is the vector position of a point in the crystal referred to ...
Page 16
... symmetry is located at each one of the lattice points , the pattern as a whole will not acquire that higher symmetry . If the figure is of lower symmetry than the lattice , the space group will have lower symmetry . A space group is an ...
... symmetry is located at each one of the lattice points , the pattern as a whole will not acquire that higher symmetry . If the figure is of lower symmetry than the lattice , the space group will have lower symmetry . A space group is an ...
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