Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |
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Page 184
... region . Holes swept from the N region cannot be readily replaced from the N region . To estimate the magnitude of this effect : The maximum hole current coming from the N + region by diffusion is ( 1.30 ) qn ( apon L ) = 2m2 ( 1 ) ...
... region . Holes swept from the N region cannot be readily replaced from the N region . To estimate the magnitude of this effect : The maximum hole current coming from the N + region by diffusion is ( 1.30 ) qn ( apon L ) = 2m2 ( 1 ) ...
Page 185
... region . Furthermore , space- charge neutrality demands that for each hole removed an electron must also be removed ( if this were not so , large electric fields would be set up , Poisson's equation ) so that if the N region is near ...
... region . Furthermore , space- charge neutrality demands that for each hole removed an electron must also be removed ( if this were not so , large electric fields would be set up , Poisson's equation ) so that if the N region is near ...
Page 187
... region is a copious source of holes which are swept into the N region . Hence for all practical purposes the NN junction is acting as an injecting contact . For this reason this phenomenon is called << avalanche injection » [ 13 ] ...
... region is a copious source of holes which are swept into the N region . Hence for all practical purposes the NN junction is acting as an injecting contact . For this reason this phenomenon is called << avalanche injection » [ 13 ] ...
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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