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- W2080995093 abstract "The electrically excited cyclotron resonance (CR) emission is investigated for the 2-dimensional electrongas in AlGaAs/GaAs heterostructures. The effect of sample inhomogeneities and impurities has been inves-tigated by degrading samples by e-beam irradiation and by growing samples with an impurity scatteringlayer close to the interface. The CR absorption has been studied for comparison. A good correspondanceof the two methods has been found: peak shifts are exactly reproduced and Landau level filling factordependent linewidth oscillations occur in both cases. However, the absolute value and the oscillation am-plitude of the linewidth are larger for the emission. This effect is explained by electrical heating and themagnetic field dependent current distribution, and forms a strong limitation for such current driven CRemission sources." @default.
- W2080995093 created "2016-06-24" @default.
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- W2080995093 date "1991-03-01" @default.
- W2080995093 modified "2023-10-14" @default.
- W2080995093 title "Far-IR emission spectroscopy on electron-beam-irradiated A1GaAs/GaAs heterostructures" @default.
- W2080995093 doi "https://doi.org/10.1117/12.24347" @default.
- W2080995093 hasPublicationYear "1991" @default.
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