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

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That such methods are beginning to open up is now clear and we shall later in

the course be concerned with the experimental approach to this subject,

particulalry through the use of

powerful ...

That such methods are beginning to open up is now clear and we shall later in

the course be concerned with the experimental approach to this subject,

particulalry through the use of

**optical**and microwave techniques associated withpowerful ...

Page 267

24. II. - Intraband Magneto-

investigation of magneto-

a powerful method of studying the band structure of these materials. These

phenomena will ...

24. II. - Intraband Magneto-

**Optical**Phenomena. 1. - Introduction. Theinvestigation of magneto-

**optical**phenomena in semiconductors has proved to bea powerful method of studying the band structure of these materials. These

phenomena will ...

Page 538

In an acoustic mode this would have very small energy but not so for an'

mode. When we have two atoms per unit cell the absorption will take place at the

energy of an

...

In an acoustic mode this would have very small energy but not so for an'

**optical**mode. When we have two atoms per unit cell the absorption will take place at the

energy of an

**optical**mode for which q -> 0. This corresponds to the frequency v0...

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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