Introduction to Solid State Physics |
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Page 10
... tion to a lattice point . Figure 7a Lattice points of a space lattice in two dimensions . All pairs of vectors a , b are transla- tion vectors of the lattice . But a4 , b4 , are not primitive translation vectors because we cannot form ...
... tion to a lattice point . Figure 7a Lattice points of a space lattice in two dimensions . All pairs of vectors a , b are transla- tion vectors of the lattice . But a4 , b4 , are not primitive translation vectors because we cannot form ...
Page 365
... tion and valence bands are widely separated in k space . The threshold energy for the indirect process in ( b ) is greater than the true band gap . The absorption threshold for the indirect transi- tion between the band edges is at ħw ...
... tion and valence bands are widely separated in k space . The threshold energy for the indirect process in ( b ) is greater than the true band gap . The absorption threshold for the indirect transi- tion between the band edges is at ħw ...
Page 628
... tion is to increase the number of mobile charge carriers in the crystal . If the energy of the incident photon is higher than the energy gap E ,, then each photon absorbed in the crystal will produce a free electron - hole pair . The ...
... tion is to increase the number of mobile charge carriers in the crystal . If the energy of the incident photon is higher than the energy gap E ,, then each photon absorbed in the crystal will produce a free electron - hole pair . The ...
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