Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |
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Page 219
... valley ( assumed equal ) . Similarly the contribution to the conductivity of valley 2 is 02 = τι M || nq2 cos20 + sin2 ML valley 4 is the same as valley 2 and valley 3 is the same as 1 . are effectively spherical . Putting N = 6n the ...
... valley ( assumed equal ) . Similarly the contribution to the conductivity of valley 2 is 02 = τι M || nq2 cos20 + sin2 ML valley 4 is the same as valley 2 and valley 3 is the same as 1 . are effectively spherical . Putting N = 6n the ...
Page 223
... valley will be largest when the strain is directed along the major symmetry axis of that valley . Hence large shifts occur with strain in a 111 direction in germanium and 100 direction in silicon . The shifts are not zero for stress in ...
... valley will be largest when the strain is directed along the major symmetry axis of that valley . Hence large shifts occur with strain in a 111 direction in germanium and 100 direction in silicon . The shifts are not zero for stress in ...
Page 227
... valleys will fall more than in the cold valley . Hence the crystal conductivity will become anisotropic ; and b ) the hot valleys will tend to become depopulated by increased inter- valley scattering from them into the cold valley ...
... valleys will fall more than in the cold valley . Hence the crystal conductivity will become anisotropic ; and b ) the hot valleys will tend to become depopulated by increased inter- valley scattering from them into the cold valley ...
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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