Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |
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Page 318
... transition . The theory can be carried out in an analogous manner for the indirect case yielding a theoretical ... direct gap Indirect gap -10 5 indirect rotation direct rotation 10 total rotation 15 ( wavelength ) 2 2 ( μm ) 2 20 Fig ...
... transition . The theory can be carried out in an analogous manner for the indirect case yielding a theoretical ... direct gap Indirect gap -10 5 indirect rotation direct rotation 10 total rotation 15 ( wavelength ) 2 2 ( μm ) 2 20 Fig ...
Page 319
... direct allowed or indirect transitions . as Wg + WF وب وين WF The theory can be extended to the case of degenerate semiconductors by evaluating an integral of the type given in eq . ( III.16 ) for the direct forbidden transition subject ...
... direct allowed or indirect transitions . as Wg + WF وب وين WF The theory can be extended to the case of degenerate semiconductors by evaluating an integral of the type given in eq . ( III.16 ) for the direct forbidden transition subject ...
Page 333
... transitions here and in the exciton case are greater to localized states because of the Coulomb attraction . 3 . - Excitons . - 31. Direct exciton in germanium . When the magneto - absorption experi- ments for the direct transition were ...
... transitions here and in the exciton case are greater to localized states because of the Coulomb attraction . 3 . - Excitons . - 31. Direct exciton in germanium . When the magneto - absorption experi- ments for the direct transition were ...
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absorption acceptor approximation band edge band structure Brillouin zone calculated carrier Chem coefficient compound concentration conduction band constant corresponding crystal cyclotron resonance density diffusion direction 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 K,PM K₁ lattice levels linear liquid magnetic field matrix measurements melt mobility momentum N₁ obtained optical p-type phase phonon Phys potential pressure quantum range reciprocal lattice region Rendiconti S.I.F. samples scattering semiconductors shown in Fig solid spin-orbit structure elements symmetry temperature tensor theory thermodynamic potentials transition transverse valence band Voigt effect wave functions wave vector Zeeman effect zero zone