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

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Page 384

2000 S 1500 (- I E 1000 \- = 900 4 800 700 - 600 - 500 control Ga=9 10l5cm'

determined. From this observation, the separation distance of the two ions in the

pair ...

2000 S 1500 (- I E 1000 \- = 900 4 800 700 - 600 - 500 control Ga=9 10l5cm'

**calculated**control Ga=3 10 17 400 500 600 (2) or 2 ' Since Nu+ is known, Np isdetermined. From this observation, the separation distance of the two ions in the

pair ...

Page 422

(7) to

way being in the range (10 to 1000) cm« V-1 6 1. Van Hottten, on the other hand,

concluded that conduction in the 2p band is not possible. The other extreme is ...

(7) to

**calculate**p,. This also permits a**calculation**of [i, the values obtained in thisway being in the range (10 to 1000) cm« V-1 6 1. Van Hottten, on the other hand,

concluded that conduction in the 2p band is not possible. The other extreme is ...

Page 512

If the form of the cojq relationship were known, the combined density of states

could be

the neutron scattering data for Si and Ge is obtained with the shell model using

only ...

If the form of the cojq relationship were known, the combined density of states

could be

**calculated**. As Dr. Cochran has shown in his lectures, a very good fit ofthe neutron scattering data for Si and Ge is obtained with the shell model using

only ...

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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