Abstract
High resolution two-photon magneto-absorption spectra over a temperature range from 1.8– 100 K have been obtained for n-InSb using cw CO2 lasers with \(\overrightarrow e \bot \overrightarrow B\)and \(\overrightarrow e \parallel \overrightarrow B\)polarizations in the Voigt geometry. A sensitive, derivative-photoconductive technique has allowed the observation of two-photon transitions not seen previously. Theoretical transition energies were calculated using an 8 × 8 Pidgeon-Brown model. Most of the observed transitions are adequately explained by the spherical selection rules Δs = 0, Δn = 0, ± 2. The variation of the energy gap with lattice temperature is found to compare favorably with the theoretical results of Camassel and Auvergne.
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© 1982 Springer-Verlag
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Seiler, D.G., Goodwin, M.W., Weiler, M.H. (1982). Two-photon spectroscopy in InSb with cw CO2 Lasers. In: Gornik, E., Heinrich, H., Palmetshofer, L. (eds) Physics of Narrow Gap Semiconductors. Lecture Notes in Physics, vol 152. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-11191-3_31
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DOI: https://doi.org/10.1007/3-540-11191-3_31
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