Abstract
It was found that the room-temperature photoluminescence (PL) spectra of Cr4+:Ca2GeO4 single crystal films grown by magnetron sputtering on Ca2GeO4 bulk single crystal substrates exhibit a sharp emission band in the region of ∼1.17 μm with satellites at ∼1.21 and 1.27 μm. Particularities of the PL spectra are interpreted within the framework of a model based on the interaction between electrons of the Cr4+ center and the oscillations excited in the film.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(j_k \sim 1/\sqrt[4]{\tau }\) Fiziki, Vol. 27, No. 17, 2001, pp. 1–6.
Original Russian Text Copyright © 2001 by Gorshkov, Dianov, Zvonkov, Kasatkin, Lebedev, Maksimov, Chigineva, Chigirinskii.
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Gorshkov, O.N., Dianov, E.M., Zvonkov, N.B. et al. Particularities of the photoluminescence spectra of Cr4+:Ca2GeO4 single crystal films. Tech. Phys. Lett. 27, 709–711 (2001). https://doi.org/10.1134/1.1405235
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DOI: https://doi.org/10.1134/1.1405235