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New high-pressure polymorph of In2S3 with defect Th3P4-type structure
Lai, XJ; Zhu, F; Wu, Y; Huang, R; Wu, X; Zhang, Q; Yang, K; Qin, S; xiang.wu@pku.edu.cn; sqin@pku.edu.cn
2014
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume210Issue:1Pages:155—159
AbstractThe high pressure behavior of beta-In2S3 (14(1)/amd and Z=16) has been studied by in situ synchrotron radiation X-ray diffraction combined with diamond anvil cell up to 71.7 GPa. Three pressure-induced phase transitions are evidenced at similar to 6.6 GPa, similar to 11.1 GPa at room temperature and 35.6 GPa after the high-temperature annealing using a portable laser heating system. The new polymorph of In2S3 at 35.6 GPa is assigned to the denser cubic defect Th3P4 structure (I (4) over bar 3d and Z=5.333), whose unit-cell parameters are a=7.557(1) angstrom and V=431.6(2) angstrom(3). The Th3P4-type phase can be stable at least up to 71.7 GPa and cannot be preserved at ambient pressure. The pressure-volume relationship is well described by the second-order Birch-Murnaghan Equation of State, which yields B-o=63(3) GPa and B-o' = 4 (fixed) for the beta-In2S3 phase and B-o=87(3) GPa and B-o'=4 (fixed) for the defect Th3P4-type phase respectively. (C) 2013 Elsevier Inc. All rights reserved.
KeywordPost-perovskite Phase Crystal-structure Transition Mgsio3 Mbar
Indexed BySCI
Language英语
WOS IDWOS:000330081900024
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14272
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorxiang.wu@pku.edu.cn; sqin@pku.edu.cn
Recommended Citation
GB/T 7714
Lai, XJ,Zhu, F,Wu, Y,et al. New high-pressure polymorph of In2S3 with defect Th3P4-type structure[J]. JOURNAL OF SOLID STATE CHEMISTRY,2014,210(1):155—159.
APA Lai, XJ.,Zhu, F.,Wu, Y.,Huang, R.,Wu, X.,...&sqin@pku.edu.cn.(2014).New high-pressure polymorph of In2S3 with defect Th3P4-type structure.JOURNAL OF SOLID STATE CHEMISTRY,210(1),155—159.
MLA Lai, XJ,et al."New high-pressure polymorph of In2S3 with defect Th3P4-type structure".JOURNAL OF SOLID STATE CHEMISTRY 210.1(2014):155—159.
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