## Introduction to Solid State Physics |

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Page 313

a = (a/2)(i + j + k); (12.2) b = (a/2)(-i + j + k); c = (a/2)(-i – j + k); where a is the side

of the conventional

cube edges. The

a = (a/2)(i + j + k); (12.2) b = (a/2)(-i + j + k); c = (a/2)(-i – j + k); where a is the side

of the conventional

**unit**cube and i, j, k are orthogonal**unit**vectors parallel to thecube edges. The

**volume**of the primitive cell is (12.3) W = a • b X c = }a"; we see ...Page 315

The zone is a possible choice of the primitive cell of a bec lattice, and so the

volume is #(4r/a)* = 4(2r/a)”. There are then 8/a" states in the zone per

have again ...

The zone is a possible choice of the primitive cell of a bec lattice, and so the

volume is #(4r/a)* = 4(2r/a)”. There are then 8/a" states in the zone per

**unit****volume**of crystal. A fec crystal contains 4/a" atoms per**unit volume**, and so wehave again ...

Page 594

The number of states with wave number less than k is, per

/3)k", whence the number of states with energy in dB at E is (1/2+*)k”(dk/dE) dE,

which is equal to (1/4r”).E" (2Sosa”)T* dE. Thus the sum of ii over all states is, per

...

The number of states with wave number less than k is, per

**unit volume**, (1/2+)"(4T/3)k", whence the number of states with energy in dB at E is (1/2+*)k”(dk/dE) dE,

which is equal to (1/4r”).E" (2Sosa”)T* dE. Thus the sum of ii over all states is, per

...

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absorption acceptors alkali alloys approximately atoms axis barium titanate boundary Bragg Brillouin zone calculated chapter charge conduction band conduction electrons crystal structure cube cubic Curie point Debye density dielectric constant diffraction diffusion dipole direction discussion dislocation distribution domain effective mass elastic electric field energy equation equilibrium exciton experimental F centers factor Fermi ferroelectric ferromagnetic free electron frequency germanium given heat capacity hexagonal holes impurity interaction ionization ions lattice constant lattice point low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed p-n junction paramagnetic particles phonons Phys physics plane polarizability polarization positive potential Proc region resonance result room temperature rotation semiconductor Shockley shown in Fig sodium chloride solid solution space group specimen spin superconducting surface susceptibility symmetry Table theory thermal tion transition unit volume vacancies valence band values vector velocity wave functions wavelength zero