Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe

V. Shtan'ko, E. Chinkov, A. Shrayber, S. Stepanov

Division for Materials Science

Research output: Contribution to journal › Article

Abstract

Nominally pure CaF₂ crystals were grown by Stockbarger method. Pulse cathodoluminescence (PCL) spectra were studied. PCL spectra of CaF₂ crystals at room temperature were excited by pulse of accelerated electrons and simultaneous stimulated emission of CdSSe crystal. It was shown that the simultaneous excitation of the crystals CaF₂ leads to a reduction efficiency of creation of self-trapped excitons (STEs) and the appearance of short-lived emission in the UV region of the spectrum.

Original language	English
Article number	108619
Journal	Radiation Physics and Chemistry
Volume	168
DOIs	https://doi.org/10.1016/j.radphyschem.2019.108619
Publication status	Published - Mar 2020

Fingerprint

stimulated emission

electron emission

luminescence

cathodoluminescence

excitation

crystals

pulses

excitons

room temperature

electrons

Keywords

CaF crystals
Cathodoluminescence
Cross-luminescence
Self-trapped excitons
Stimulated emission of semiconductors

ASJC Scopus subject areas

Radiation

Cite this

Shtan'ko, V., Chinkov, E., Shrayber, A., & Stepanov, S. (2020). Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe. Radiation Physics and Chemistry, 168, [108619]. https://doi.org/10.1016/j.radphyschem.2019.108619

Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe. / Shtan'ko, V.; Chinkov, E.; Shrayber, A.; Stepanov, S.

In: Radiation Physics and Chemistry, Vol. 168, 108619, 03.2020.

Research output: Contribution to journal › Article

Shtan'ko, V , Chinkov, E, Shrayber, A & Stepanov, S 2020, 'Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe', Radiation Physics and Chemistry, vol. 168, 108619. https://doi.org/10.1016/j.radphyschem.2019.108619

Shtan'ko V , Chinkov E, Shrayber A, Stepanov S. Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe. Radiation Physics and Chemistry. 2020 Mar;168. 108619. https://doi.org/10.1016/j.radphyschem.2019.108619

Shtan'ko, V. ; Chinkov, E. ; Shrayber, A. ; Stepanov, S. / Intrinsic luminescence of CaF₂ crystals under simultaneous excitation of pulsed accelerated electrons and stimulated emission of semiconductor CdSSe. In: Radiation Physics and Chemistry. 2020 ; Vol. 168.

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abstract = "Nominally pure CaF2 crystals were grown by Stockbarger method. Pulse cathodoluminescence (PCL) spectra were studied. PCL spectra of CaF2 crystals at room temperature were excited by pulse of accelerated electrons and simultaneous stimulated emission of CdSSe crystal. It was shown that the simultaneous excitation of the crystals CaF2 leads to a reduction efficiency of creation of self-trapped excitons (STEs) and the appearance of short-lived emission in the UV region of the spectrum.",

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10.1016/j.radphyschem.2019.108619