Stimulated-excitonic emission in CsPbCl3 crystals

I. Baltog; L. Mihut; C. Dimofte

doi:10.1117/12.203566

8 March 1995 Stimulated excitonic emission in CsPbCl₃ crystals

I. Baltog, L. Mihut, C. Dimofte

Proceedings Volume 2461, ROMOPTO '94: Fourth Conference in Optics; (1995) https://doi.org/10.1117/12.203566
Event: ROMOPTO '94: 4th Conference on Optics, 1994, Bucharest, Romania

Abstract

This work presents new data concerning CsPbCl₃ crystal luminescence. Six maxima are evidenced in the low temperature (77 K) spectrum. The paper emphasize the particular behavior of one of them, located at 23880 cm^-1: it presents an almost quadratic dependence on the excitation intensity, a gradual Stokes shift and a decrease of its FWHM. This band is fastest quenched by temperature rising and it also exponentially grows with respect to the length of the excited area. These peculiarities led us to the conclusion that this band must be assigned to a stimulated emission due to an exciton-exciton inelastic collision process.

Citation Download Citation

I. Baltog, L. Mihut, and C. Dimofte "Stimulated excitonic emission in CsPbCl₃ crystals", Proc. SPIE 2461, ROMOPTO '94: Fourth Conference in Optics, (8 March 1995); https://doi.org/10.1117/12.203566

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