Introduction to Solid State Physics |
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Page 9
... symmetry operations which carry the crystal structure into itself ? Among the symmetry operations there are the crystal translation opera- tions specified by ( 2 ) . There are rotation and reflection operations , called point operations ...
... symmetry operations which carry the crystal structure into itself ? Among the symmetry operations there are the crystal translation opera- tions specified by ( 2 ) . There are rotation and reflection operations , called point operations ...
Page 12
... symmetry operations . A typical symmetry operation is that of rotation about an axis which passes through a lattice point . Lattices can be found such that one- , two- , three- , four- , and six - fold rotation axes are permissible ...
... symmetry operations . A typical symmetry operation is that of rotation about an axis which passes through a lattice point . Lattices can be found such that one- , two- , three- , four- , and six - fold rotation axes are permissible ...
Page 14
... symmetry elements , so here a point has no other point equivalent to it . For 1m there is a mirror plane : one dot ... symmetry with the required translational symmetry . The argument against seven - fold symmetry is given in Fig . 9b ...
... symmetry elements , so here a point has no other point equivalent to it . For 1m there is a mirror plane : one dot ... symmetry with the required translational symmetry . The argument against seven - fold symmetry is given in Fig . 9b ...
Contents
CRYSTAL STRUCTURE | 1 |
CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |
CRYSTAL BINDING | 95 |
Copyright | |
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absolute zero absorption alkali halide alloy antiferromagnet applied field atoms axis boundary Brillouin zone calculated Chapter charge components conduction band conduction electrons crystal structure cubic density dielectric constant dielectric function diffraction dipole direction dislocation dispersion relation effective mass elastic electric field electron concentration electron gas energy gap equation equilibrium excited exciton experimental F center Fermi surface ferroelectric ferromagnetic Figure free electron frequency function given heat capacity hole impurity interaction ionic lattice constant lattice points low temperatures magnetic field magnetic moment magnon metal modes momentum motion nearest neighbors neutron normal nuclear optical orbital paramagnetic particle phase phonon Phys plane polarization positive potential primitive cell quantum reciprocal lattice vector region resonance result room temperature scattering semiconductor shown in Fig space specimen sphere superconducting theory thermal tion transition unit vacancy valence band velocity wavefunction wavelength wavevector x-ray