Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |
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Page 172
... density and potential gradients the particle currents are therefore given by in q [ nu , E + Dn grad n ] and ( 1.5 ) ... density gradient : in equilibrium the density n , say , is related to some other density at a convenient zero of ...
... density and potential gradients the particle currents are therefore given by in q [ nu , E + Dn grad n ] and ( 1.5 ) ... density gradient : in equilibrium the density n , say , is related to some other density at a convenient zero of ...
Page 185
OL where Po is the equilibrium density of holes in the N region . Putting E ~ 10 V cm - 1 , μ ~ 2.103 cm2 V - 1 s - 1 and 7 ~ 10's we find p ' N POL N + which is a very substantial reduction . Naturally this low density will not be ...
OL where Po is the equilibrium density of holes in the N region . Putting E ~ 10 V cm - 1 , μ ~ 2.103 cm2 V - 1 s - 1 and 7 ~ 10's we find p ' N POL N + which is a very substantial reduction . Naturally this low density will not be ...
Page 225
... density ( n , + n ) is unaffected and no space charges are set up . Furthermore , if the n , and n , density waves are exactly in phase ( or 180 ° out of phase ) with the acoustic wave the strain - pro- duced potential is symmetrical ...
... density ( n , + n ) is unaffected and no space charges are set up . Furthermore , if the n , and n , density waves are exactly in phase ( or 180 ° out of phase ) with the acoustic wave the strain - pro- duced potential is symmetrical ...
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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