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

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Page 117

can be found that for this case the length of the n = p range becomes (179)

zllogiTxpM=log^. ... This is given by [V^] = [Vj] = (ff8)* and for the n = p range, one

has n = p = Kf. Both cases show n-type conductivity at high and

conductivity at ...

can be found that for this case the length of the n = p range becomes (179)

zllogiTxpM=log^. ... This is given by [V^] = [Vj] = (ff8)* and for the n = p range, one

has n = p = Kf. Both cases show n-type conductivity at high and

**p**-**type**conductivity at ...

Page 190

where p — n (1.40) fi * nlpP + Pi fxn ' and (1.41) D*= n + P . This is called the

ambipolar continuity equation and fi* and D* ... In strongly

= fin, D* = D„ and in intrinsic material when n = p * n n D" D„D* So that, for

strongly N ...

where p — n (1.40) fi * nlpP + Pi fxn ' and (1.41) D*= n + P . This is called the

ambipolar continuity equation and fi* and D* ... In strongly

**P type**material p»n H*= fin, D* = D„ and in intrinsic material when n = p * n n D" D„D* So that, for

strongly N ...

Page 319

This expression can, to a good approximation, be applied to

which has been sufficiently doped, where direct forbidden interband transitions

have been observed between the split-off valence band and the other two

valence ...

This expression can, to a good approximation, be applied to

**p**-**type**germaniumwhich has been sufficiently doped, where direct forbidden interband transitions

have been observed between the split-off valence band and the other two

valence ...

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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