Abstract
The effect of a strong magnetic field (induction up to 10 T) on free and bound excitons in CuInS2 single crystals is studied. A diamagnetic shift to higher energies is observed in the luminescence and reflectance spectra for free-exciton lines ALPB ≈ 1.5348 eV, AUPB ≈ 1.5361 eV, and BC ≈ 1.557 eV. The diamagnetic shifts of free-exciton lines ALPB, AUPB, and BC provide a basis for estimating the exciton reduced masses \(\mu _{A_{LPB} } \) = 0.131m0, \(\mu _{A_{UPB} } \) = 0.13 4m0, and μBC = 0.111m0, respectively. Bound-exciton lines in luminescence spectra are split under the influence of the magnetic field. The magnitude of the Zeeman effect (g-factor of the magnetic splitting) is estimated.
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Translated from Zhurnal Prikladnoi Spektroskopii Vol. 74, No. 3, pp. 373–377, May–June, 2007.
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Mudryi, A.V., Ivanyukovich, A.V., Yakushev, M.V. et al. Magnetic field effect on free and bound excitons in chalcopyrite CuInS2 . J Appl Spectrosc 74, 415–420 (2007). https://doi.org/10.1007/s10812-007-0068-x
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DOI: https://doi.org/10.1007/s10812-007-0068-x