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题名:
Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure
作者: Zhao, JG; Yang, LX; Yu, ZH; Wang, Y; Li, CY; Yang, K; Liu, ZG; Wang, Y
刊名: INORGANIC CHEMISTRY
出版日期: 2016
卷号: 55, 期号:8, 页码:3907—3914
关键词: TOPOLOGICAL INSULATOR ; CRYSTAL STRUCTURE ; SB2TE3 ; BI2TE3 ; AS2TE3 ; REFINEMENT ; BCC ; SUPERCONDUCTIVITY ; POLYMORPHISM ; BETA-AS2TE3
DOI: 10.1021/acs.inorgchem.6b00073
通讯作者: Zhao, JG ; Wang, Y (reprint author), Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, Nat Sci Res Ctr, Harbin 150080, Peoples R China. ; Liu, ZG (reprint author), Harbin Inst Technol, Dept Phys, Harbin 150080, Peoples R China.
文章类型: 期刊文献
英文摘要: In this study, first-principle,calculations, in situ angle-dispersive X-ray diffraction, and in situ electrical resistance measurements were performed on arsenic telluride (As2Te3) under high pressure. Structural phase transitions and metallized phenomena were observed from the calculated and experimental results. Upon compression, alpha-As2Te3 transforms into phases alpha' and alpha '' at similar to 5.09 and similar to 13.2 GPa, respectively, with two isostructural phase transitions. From 13.2 GPa, As2Te3 starts to transform into phase gamma, with one first-order monoclinic to monoclinic crystal structural phase transition. According to the first-principle calculations and electrical resistance measurements, the structural phase transitions in the compression process induce the transformation from an insulator (phase alpha) across a semimetal (phase alpha') into a metal (phases alpha '' and gamma). The evolution of the structure and transport property upon compression on As2Te3 is helpful for understanding the properties of other A(2)B(3)-type compounds under high, pressure.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000374508600024
ISSN号: 0020-1669
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25845
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Zhao, JG,Yang, LX,Yu, ZH,et al. Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure[J]. INORGANIC CHEMISTRY,2016-01-01,55(8):3907—3914.
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文件名: Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure.pdf
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