掺碳二硫化锡中 Jahn-Teller 中心的发光特性

IF 0.6 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Bulletin of the Lebedev Physics Institute Pub Date : 2024-05-24 DOI:10.3103/S1068335623602182

S. N. Nikolaev, V. S. Krivobok, M. A. Chernopitssky, E. A. Ekimov, M. V. Kondrin

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引用次数: 0

摘要

摘要我们报告了对 2H SnS2 聚合物中 CSn 中心发光特性在宽温度范围内的研究。研究表明，在 5 至 200 K 的温度范围内，发射光谱可以用 1.4 eV 区域的电子转变与频率为 270 cm-1 的局部声子模式的相互作用来描述。当温度超过 200 K 时，会观察到中心的结构重排，这表现在发射光谱和发光量子产率的质变上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Luminescent Properties of the Jahn‒Teller Center in Carbon-Doped Tin Disulfide

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Luminescent Properties of the Jahn‒Teller Center in Carbon-Doped Tin Disulfide

We report an investigation of the C_Sn-center luminescent properties in the 2H SnS₂ polytype over a wide temperature range. It is shown that in the temperature range from 5 to 200 K, the emission spectrum can be described in terms of the interaction of an electronic transition in the region of 1.4 eV with a localized phonon mode, whose frequency is 270 cm^‒1. At temperatures exceeding 200 K, structural rearrangement of the center is observed, which manifests itself in qualitative changes in the emission spectrum and luminescence quantum yield.

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来源期刊

Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-

CiteScore

0.70

自引率

25.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.