PACS: 71.35.-y, 78.60.-b, 78.68.+m

Radiative recombination in BiI3(Mn) and BiI3(Cr) layered single crystals
F.V. Motsnyi, V.G. Dorogan

V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, prospect Nauky, 03028 Kyiv, Ukraine
E-mail: motsnyi@sun.semicond.kiev.ua; fv_motsnyi@isp.kiev.ua

Abstract. The photoluminescence spectra of BiI3(Mn) and BiI3(Cr) single crystals were studied. The new bands at ? = 1.1 and ? = 1.83 ?m were registered at the temperature 4.2 K. It was shown that the first and second bands arise due to Mn2+ and Cr3+ ions, accordingly. The experimental results were explained using the configuration model. The energies between minima of configuration curves of excited and basic states for both centres were estimated.

Keywords: photoluminescence, transition metals, layered semiconductors, configuration model.

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