## Introduction to Solid State Physics |

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Page 356

The

the use of (13.25) with e = 1; m” = m; n = 1. For germanium the

potential on the present model should be reduced with respect to hydrogen by

the factor ...

The

**ionization**potential of the free hydrogen atom is 13.6 ev, corresponding tothe use of (13.25) with e = 1; m” = m; n = 1. For germanium the

**ionization**potential on the present model should be reduced with respect to hydrogen by

the factor ...

Page 357

DONor

AND SILIcon, IN Ev P As Sb Si 0.045 (), ()49–0.056 (), ()39 Ge 0.01.20 0 0127 ().

0096 We note that the radius of the first Bohr orbit is increased by the factor em/m

...

DONor

**Ionization**ENERGIES OF PENTAvALENT IMPURITIES IN GERMANIUMAND SILIcon, IN Ev P As Sb Si 0.045 (), ()49–0.056 (), ()39 Ge 0.01.20 0 0127 ().

0096 We note that the radius of the first Bohr orbit is increased by the factor em/m

...

Page 358

Impurities with no effect on the carrier concentration are probably present in

higher proportions. THERMAL

the problem of determining the concentration of

...

Impurities with no effect on the carrier concentration are probably present in

higher proportions. THERMAL

**IONIZATION**OF IMPURITIES We now considerthe problem of determining the concentration of

**ionized**donors and acceptors in...

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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