Introduction to Solid State Physics |
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Page 317
... wave equation for complex values of the wave vector . At the boundary of the first zone the real part of the wavevector is G1 . The imaginary part is plotted in the approximation of two plane waves , for U1 = 0.01 ħ2G12 / 2m ...
... wave equation for complex values of the wave vector . At the boundary of the first zone the real part of the wavevector is G1 . The imaginary part is plotted in the approximation of two plane waves , for U1 = 0.01 ħ2G12 / 2m ...
Page 335
... plane wave to the correct wavefunction . The energy of the approximate solution depends on k as ( hk ) 2 / 2m ... waves over most of the atomic volume , but may oscillate and increase markedly in the region of the ion core . O Metal , k ...
... plane wave to the correct wavefunction . The energy of the approximate solution depends on k as ( hk ) 2 / 2m ... waves over most of the atomic volume , but may oscillate and increase markedly in the region of the ion core . O Metal , k ...
Page 340
... plane waves , their energy must depend on the wavevector approximately as the relation = ħ2k2 / 2m for free electrons . The weak potential experienced by an electron in the outer region is treated as a perturbation that mixes plane wave ...
... plane waves , their energy must depend on the wavevector approximately as the relation = ħ2k2 / 2m for free electrons . The weak potential experienced by an electron in the outer region is treated as a perturbation that mixes plane wave ...
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