Line-Width of Quantum Limit Cyclotron Resonance.II.Impurity and Carrier-Carrier Scatterings in Ge,InSb and GaAs

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Cyclotron Resonance Line-Width (CRLW) has been studied in the quantum limitfor impurity and carrier-carrier scatterings in Ge, InSb and GaAs. Ionized impurityand neutral impurity (electron-neutral donor and electron-neutral acceptor) scatterings have been examined with impurity scatterings. The dependences on temperatureand magnetic field of CRLW for these two scatterings are similar to each other. Fromour experimental results it becomes clear that CRLW is approximately (1) independ-ent of temperature and (2) proportional to the inverse of the square root of magneticfield. Electron momentum cross section by neutral acceptor is noted to be someorders of magnitude less as compared with that by neutral donor even in the quantumlimit.Icyclotron resonance line-width, quantum limit, ionized impurity, neutral impu- Il rity, carrier-carrierl
社団法人日本物理学会の論文
1990-06-15