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

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Page 21

The

same way and all these

on each

states ...

The

**curves**along the (1,1,0)-, (lj 2, 0)- and (1, 1, 1)-directions are found in thesame way and all these

**curves**are illustrated in Fig. 12; Kx, Kv, K,, are indicatedon each

**curve**, and also the degeneracy (in brackets). The degeneracy of thestates ...

Page 45

E = B(kl+kl) and of

, with kv = x and kv = y E = \ (A + B)(^2 + ?/2) ± V i{A -TB)*O^^'FTC^3 , and, if C is

small = Ua?* + By1 + Cx*y*l(A - B)(x>--y*) , [Bx* + Ay- - Cx*y*l(A - B)(a;« - y-) ...

E = B(kl+kl) and of

**curves**satisfying \Akl + Bkl-E Ckxk, !_ j Ckxk, Ak\ + Bk\-E that is, with kv = x and kv = y E = \ (A + B)(^2 + ?/2) ± V i{A -TB)*O^^'FTC^3 , and, if C is

small = Ua?* + By1 + Cx*y*l(A - B)(x>--y*) , [Bx* + Ay- - Cx*y*l(A - B)(a;« - y-) ...

Page 355

1 1.3 may be expected in the vicinity of pure A. The liquidus

because of the limited composition range shown on the abscissa scale. The

solidus

...

1 1.3 may be expected in the vicinity of pure A. The liquidus

**curve**is nearly flat,because of the limited composition range shown on the abscissa scale. The

solidus

**curve**represents « retrograde solid solubility » ; at low temperatures, it is...

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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