Abstract
AbstractLandau emission in n‐InSb has been investigated by photoconductive techniques and Fourier transform spectroscopy (FTS). It is found that effects of 300 K background radiation can strongly influence the observed spectra through the electric field induced variation of the optical constants. Only under 4.2 K background conditions or by using special experimental arrangements the influence of the background radiation can be avoided and pure emission spectra are obtained. Real emission spectra consist of two main lines due to Landau level transitions with different spin orientation and a weak impurity line. No emission is observed above the reststrahlen band.
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