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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 38, No. 6, pp. 988–993, June, 1983.
We are indebted to L. A. Litvinov and T. S. Bessonovafor kindly providing the crystals and discussing the results.
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Kulagin, N.A., Apanasenko, A.L. & Kazakov, N.A. Stability conditions for various valency states of traces of manganese in α-Al2O3 . J Appl Spectrosc 38, 725–729 (1983). https://doi.org/10.1007/BF00666718
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DOI: https://doi.org/10.1007/BF00666718