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

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Page 166

This means that in

so it looked as if, ...

free electrons as a function of ps is

complete ...

This means that in

**Fig**. like 49, 54 or 55 we moved along a vertical line. In doingso it looked as if, ...

**Fig**. 57a. In the same figure (**Fig**. 51b) the concentration offree electrons as a function of ps is

**shown**for pure PbS. One sees that incomplete ...

Page 312

This is

direction in one case and along the [111] direction in the other. It is clear from a

comparison of the 0780 1 □— i i "i two cases of Fig. 43 that there is an anisotropy

...

This is

**shown in Fig**. 43 where the magnetic field has been taken along the [100]direction in one case and along the [111] direction in the other. It is clear from a

comparison of the 0780 1 □— i i "i two cases of Fig. 43 that there is an anisotropy

...

Page 366

A'A then the first portion of the crystal to re- grow will be p-type, and a junction is

produced, as

again to produce n-type material, as the regrowth continues, as the total 3'D in ...

A'A then the first portion of the crystal to re- grow will be p-type, and a junction is

produced, as

**shown in Fig**. 11.16. The concentrations eventually must cross overagain to produce n-type material, as the regrowth continues, as the total 3'D 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