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Characterization of the pressure-induced phase transition of metallization for MoTe2 under hydrostatic and non-hydrostatic conditions
Linfei Yang;  Lidong Dai;  Heping Li;   Haiying Hu;  Kaixiang Liu;  Chang Pu;  Meiling Hong;  Pengfei Liu
2019
发表期刊AIP Advances
卷号9期号:6页码:1-8
摘要

This study reported a pressure-induced metallization for molybdenum tellurium under different pressure environments up to ∼25.9 GPa through a series of experiments and first-principles theoretical calculations. This metallization was closely related to the gradual closure of bandgap rather than the structural phase transition. Under the non-hydrostatic environment, the metallization point was ∼12.5 GPa and irreversible, while it occurred at a higher pressure of ∼14.9 GPa and was reversible under the hydrostatic environment. We ascribed these discrepancies to the strong deviatoric stress, which reinforced the Te-Te interactions and caused the permanent plastic deformation of the interlayer spacing.

收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10422
专题地球内部物质高温高压实验室
作者单位1.Key Laboratory of High-Temperature and High-Pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou 550081, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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Linfei Yang;Lidong Dai;Heping Li; Haiying Hu;Kaixiang Liu;Chang Pu;Meiling Hong;Pengfei Liu. Characterization of the pressure-induced phase transition of metallization for MoTe2 under hydrostatic and non-hydrostatic conditions[J]. AIP Advances,2019,9(6):1-8.
APA Linfei Yang;Lidong Dai;Heping Li; Haiying Hu;Kaixiang Liu;Chang Pu;Meiling Hong;Pengfei Liu.(2019).Characterization of the pressure-induced phase transition of metallization for MoTe2 under hydrostatic and non-hydrostatic conditions.AIP Advances,9(6),1-8.
MLA Linfei Yang;Lidong Dai;Heping Li; Haiying Hu;Kaixiang Liu;Chang Pu;Meiling Hong;Pengfei Liu."Characterization of the pressure-induced phase transition of metallization for MoTe2 under hydrostatic and non-hydrostatic conditions".AIP Advances 9.6(2019):1-8.
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