Introduction to Solid State Physics |
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Page 207
Charles Kittel. The solution for K = π / L has us sin ( sma / L ) ( 18 ) and vanishes for s = 0 and s = N as required . The solution for K = Nπ / L = π / α = Kmax has us α sin sπ ; ( 19 ) this permits no motion of any atom , because sin ...
Charles Kittel. The solution for K = π / L has us sin ( sma / L ) ( 18 ) and vanishes for s = 0 and s = N as required . The solution for K = Nπ / L = π / α = Kmax has us α sin sπ ; ( 19 ) this permits no motion of any atom , because sin ...
Page 312
... solution gives the wavefunction at the bottom of the energy gap ; the other gives the wavefunction at the top of the gap . Which solution has the lower energy depends on the sign of U1 in the potential energy . Near Zone Boundary We now ...
... solution gives the wavefunction at the bottom of the energy gap ; the other gives the wavefunction at the top of the gap . Which solution has the lower energy depends on the sign of U1 in the potential energy . Near Zone Boundary We now ...
Page 335
... solution at k = 0 than for a general k . We can use the solution u 。( r ) to construct the function 4 = eik ruo ( r ) . ( 30 ) This is of the Bloch form , but up is not an exact solution of ( 29 ) ; it is a solution if we drop the term ...
... solution at k = 0 than for a general k . We can use the solution u 。( r ) to construct the function 4 = eik ruo ( r ) . ( 30 ) This is of the Bloch form , but up is not an exact solution of ( 29 ) ; it is a solution if we drop the term ...
Contents
CRYSTAL STRUCTURE | 1 |
CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |
CRYSTAL BINDING | 95 |
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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