Dynamical Behaviour of Photoexcited Electron System in Gallium Arsenide
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In this work we report on the first observation of the far-infrared Baser (119-220 #IT1) magneto-optical absorption by the photoexcited electron system in GaAsup to the magnetic field of 50 kG over the temperature range of 1.74.2 K. Themajor absorption lines observed for various samples are the Is-+2p.. Zeemantransition and the cyclotron resonance of conduction electrons. It is found thatboth absorption line-widths are sensitive to impurity concentration and to con-duction electron density. The magnitude of the electron-electron scattering andthat of the electron-neutral impurity scattering under the quantum limit condi-tion are thereby discussed.
- 社団法人日本物理学会の論文
- 1982-05-15
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