Introduction to Solid State Physics |
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Page 176
... relation for w . We solve for the Cp by multiplying both sides of ( 21 ) by cos rKa , where r is an integer , and integrating over the range of independent values of K : T / a π / a M С dK wx2 cos rKa = 2 Σ C , f dK ( 1 – cos pKa ) cos ...
... relation for w . We solve for the Cp by multiplying both sides of ( 21 ) by cos rKa , where r is an integer , and integrating over the range of independent values of K : T / a π / a M С dK wx2 cos rKa = 2 Σ C , f dK ( 1 – cos pKa ) cos ...
Page 184
... relation ( 52 ) is known as the Lyddane - Sachs - Teller relation.18 Notice that € ( 0 ) → ∞ as wr → 0 ; this has implications for ferroelectricity ( Chapter 14 ) . What is the physical significance of a pole ( an infinity ) of the ...
... relation ( 52 ) is known as the Lyddane - Sachs - Teller relation.18 Notice that € ( 0 ) → ∞ as wr → 0 ; this has implications for ferroelectricity ( Chapter 14 ) . What is the physical significance of a pole ( an infinity ) of the ...
Page 695
... relation w ( k ) for the frequency as a function of the wavevector k . The dispersion relation exhibits forbidden bands at values of k that satisfy the Bragg relation 2k G = G2 . For frequencies within a forbidden band the wavevectors ...
... relation w ( k ) for the frequency as a function of the wavevector k . The dispersion relation exhibits forbidden bands at values of k that satisfy the Bragg relation 2k G = G2 . For frequencies within a forbidden band the wavevectors ...
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