Introduction to solid state physics |
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Page 217
For sufficiently low temperatures the Debye approximation should be quite good,
as here only long wavelength acoustic modes are excited These are just the
modes that may be treated as in an elastic continuum with macroscopic elastic ...
For sufficiently low temperatures the Debye approximation should be quite good,
as here only long wavelength acoustic modes are excited These are just the
modes that may be treated as in an elastic continuum with macroscopic elastic ...
Page 228
(If both phonons have low K, and therefore low energy, there is no way to get
from their collision a phonon of wavevector comparable to G. The umklapp
process must conserve energy, just as for the normal process.) At low
temperatures the ...
(If both phonons have low K, and therefore low energy, there is no way to get
from their collision a phonon of wavevector comparable to G. The umklapp
process must conserve energy, just as for the normal process.) At low
temperatures the ...
Page 263
In impure metals or in disordered alloys the phonon contribution may be
comparable with the electronic contribution. Measurements on copper are shown
in Fig. 15. Experimental curves for many metals at low temperatures are given by
H. M. ...
In impure metals or in disordered alloys the phonon contribution may be
comparable with the electronic contribution. Measurements on copper are shown
in Fig. 15. Experimental curves for many metals at low temperatures are given by
H. M. ...
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Contents
CRYSTAL STRUCTURE | 1 |
CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |
CRYSTAL BINDING | 95 |
Copyright | |
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absolute zero absorption alkali alloy antiferromagnet applied field applied magnetic field atoms axis boundary Brillouin zone calculated Chapter charge components conduction band conduction electrons critical field crystal structure cubic defined density dielectric constant diffraction dipole direction dislocation dispersion relation elastic electric field electron gas energy gap entropy equation equilibrium excited exciton experimental F center Fermi surface ferroelectric ferromagnetic Figure free electron frequency function given heat capacity hole impurity interaction ionic ions lattice constant lattice points low temperatures magnetic field magnon Meissner effect metal momentum motion nearest neighbors neutron normal nuclear nucleus optical orbital paramagnetic particle phase phonon Phys physics plane polarizability polarization positive potential primitive cell quantum reciprocal lattice vector region resonance result room temperature scattering semiconductor shown in Fig solid specimen sphere spin superconducting susceptibility theory thermal tion transition temperature unit vacancies valence band velocity wave wavefunction wavelength wavevector x-ray