Sc2S3的高压结构稳定性和压力调谐的光学和电子输运性质

IF 3.1 3区 化学 Q3 CHEMISTRY, PHYSICAL
Tongtong Yang, Fenglei Li, Ping Ning, Yixuan Ma, Zhiyang Zhang, Guangtao Liu, Hongbo Wang, Haihua Wang, Mi Zhou
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引用次数: 0

摘要

稀土倍半硫化物(Re2S3)是一类宽禁带半导体,具有卓越的光学和电学性能,以及高熔点和优异的机械硬度,使其成为颜料,热电和红外光电子学应用的有希望的候选者。在其多种晶型中,φ-相(正交晶型,Fddd)是一种结构复杂但尚未得到充分研究的构型,特别是在高压条件下。在这项工作中,我们对φ-Sc2S3(一种典型的稀土半硫化物)的压力诱导结构、光学和电学演化进行了全面研究。这些发现揭示了稀土硫族化合物的结构-性能关系,并强调了φ-Sc2S3在极端条件下光电应用的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

High-pressure structural stability and pressure-tuned optical and electronic transport properties of Sc2S3

High-pressure structural stability and pressure-tuned optical and electronic transport properties of Sc2S3
Rare-earth sesquisulfides (Re2S3), a class of wide-bandgap semiconductors, exhibit remarkable optical and electrical properties, along with high melting points and excellent mechanical hardness, making them promising candidates for applications in pigments, thermoelectrics, and infrared optoelectronics. Among their multiple polymorphs, the φ-phase (orthorhombic, Fddd) represents a structurally complex yet understudied configuration, especially under high-pressure conditions. In this work, we present a comprehensive investigation of the pressure-induced structural, optical, and electrical evolution of φ-Sc2S3, a prototypical rare-earth sesquisulfide. These findings shed light on the structure–property relationships of rare-earth chalcogenides and underscore the potential of φ-Sc2S3 for extreme-condition optoelectronic applications.
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来源期刊
Chemical Physics Letters
Chemical Physics Letters 化学-物理:原子、分子和化学物理
CiteScore
5.70
自引率
3.60%
发文量
798
审稿时长
33 days
期刊介绍: Chemical Physics Letters has an open access mirror journal, Chemical Physics Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Chemical Physics Letters publishes brief reports on molecules, interfaces, condensed phases, nanomaterials and nanostructures, polymers, biomolecular systems, and energy conversion and storage. Criteria for publication are quality, urgency and impact. Further, experimental results reported in the journal have direct relevance for theory, and theoretical developments or non-routine computations relate directly to experiment. Manuscripts must satisfy these criteria and should not be minor extensions of previous work.
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