## Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |

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Page 367

Solution processes often produce crystals of considerably lower purity than melt

processes because of solvent contamination effects, and therefore the method

may be of more interest in cases where relatively high

Solution processes often produce crystals of considerably lower purity than melt

processes because of solvent contamination effects, and therefore the method

may be of more interest in cases where relatively high

**doping**levels are desired.Page 377

dependent on the

Longini and Green), and also experimentally ( Valenta and Ramasastry). It may

be easily seen how this occurs, through the operation of the hole- electron

equilibrium.

dependent on the

**doping**of the crystal; this has been treated theoretically (Longini and Green), and also experimentally ( Valenta and Ramasastry). It may

be easily seen how this occurs, through the operation of the hole- electron

equilibrium.

Page 387

(1)) (6) snu nv e[i- Ap/jy,,,] -= JJjS Li = CX CX cx cx When NA is constant with x,

that is, the acceptor

The Li then diffuses with an effective diffusion coefficient Z>*, which temperature

in ...

(1)) (6) snu nv e[i- Ap/jy,,,] -= JJjS Li = CX CX cx cx When NA is constant with x,

that is, the acceptor

**doping**is uniform, then the second term on the right is zero.The Li then diffuses with an effective diffusion coefficient Z>*, which temperature

in ...

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absorption acceptor approximation assumed band edge band structure Brillouin zone calculated carrier centre charge Chem coefficient components compound concentration conduction band consider constant corresponding crystal curves cyclotron resonance degenerate density diffusion direct transition discussed donor doping effective mass electric field energy gap energy surfaces equation equilibrium example exciton experimental expression Faraday rotation foreign atoms free electron frequency germanium given hence holes imperfections impurity indium antimonide InSb interaction interband ionization ions Journ lattice levels linear liquid magnetic field matrix measurements melt mobility momentum obtained optical p-type phonon Phys potential pressure quantum range reciprocal lattice region samples scattering semiconductors shown in Fig spherical spin spin-orbit structure elements symmetry tensor theory thermodynamic thermodynamic potentials tion transverse valence band valley Voigt effect wave functions wave vector Zeeman effect zero zone