Evidences for phase transition and metallization in β-In 2 S 3 at high pressure

	Evidences for phase transition and metallization in β-In 2 S 3 at high pressure
	Kaixiang Liu; Lidong Dai; Heping Li; Haiying Hu; Linfei Yang; Chang Pu; Meiling Hong
	2019
发表期刊	Chemical Physics
卷号	524 页码:63-69
摘要	The high-pressure characteristics including structural phase transition, vibration and electronic transport of βIn2S3 up to 43.0 GPa are determined using a diamond anvil cell (DAC) combined with AC impedance spectroscopy, Raman spectroscopy, atomic force microscopy (AFM) and high-resolution transmission electron microscopy (HRTEM). A structural phase transition and a semiconductor-to-metal transition are observed at ∼7 GPa and ∼41.2 GPa, respectively. When the pressure is released from 43.0 GPa, a single amorphous state is observed from Raman spectroscopy. We determine that the phase transition of metallization is irreversible after decompression from the pressure above 40 GPa. However, when the sample is decompressed from the pressure below 10 GPa, the phase transition is reversible. The unique properties displayed by β-In2S3 under different experimental pressure ranges can be reasonably explained by its crystalline structure observable from the microscopic observations of HRTEM and AFM images.
关键词	High Pressure phase Transition metallization diamond Anvil Cell electrical Conductivity
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/42920512-1/10855
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 100039, People’s Republic of China
推荐引用方式 GB/T 7714	Kaixiang Liu；Lidong Dai；Heping Li；Haiying Hu；Linfei Yang；Chang Pu；Meiling Hong. Evidences for phase transition and metallization in β-In 2 S 3 at high pressure[J]. Chemical Physics,2019,524:63-69.
APA	Kaixiang Liu；Lidong Dai；Heping Li；Haiying Hu；Linfei Yang；Chang Pu；Meiling Hong.(2019).Evidences for phase transition and metallization in β-In 2 S 3 at high pressure.Chemical Physics,524,63-69.
MLA	Kaixiang Liu；Lidong Dai；Heping Li；Haiying Hu；Linfei Yang；Chang Pu；Meiling Hong."Evidences for phase transition and metallization in β-In 2 S 3 at high pressure".Chemical Physics 524(2019):63-69.

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