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Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure
Zhao, JG; Yang, LX; Yu, ZH; Wang, Y; Li, CY; Yang, K; Liu, ZG; Wang, Y; 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.
2016
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume55Issue:8Pages:3907—3914
Subtype期刊文献
AbstractIn 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.
KeywordTopological Insulator Crystal Structure Sb2te3 Bi2te3 As2te3 Refinement Bcc Superconductivity Polymorphism Beta-as2te3
DOI10.1021/acs.inorgchem.6b00073
Indexed BySCI
Language英语
WOS IDWOS:000374508600024
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25845
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorZhao, 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.
Recommended Citation
GB/T 7714
Zhao, JG,Yang, LX,Yu, ZH,et al. Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure[J]. INORGANIC CHEMISTRY,2016,55(8):3907—3914.
APA Zhao, JG.,Yang, LX.,Yu, ZH.,Wang, Y.,Li, CY.,...&Liu, ZG .(2016).Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure.INORGANIC CHEMISTRY,55(8),3907—3914.
MLA Zhao, JG,et al."Structural Phase Transitions and Metallized Phenomena in Arsenic Telluride under High Pressure".INORGANIC CHEMISTRY 55.8(2016):3907—3914.
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