Pressure-induced electron phase transitions of alpha-As2Te3

	Pressure-induced electron phase transitions of alpha-As2Te3
	Zhang, Y. H.; Y. M. Ma; A. H. Geng; C. Y. Zhu; G. T. Liu; Q. Tao; F. F. Li; Q. L. Wang; Y. Li; X. Wang and P. W. Zhu
	2016
发表期刊	Journal of Alloys and Compounds
卷号	685
摘要	Using a diamond-anvil cell (DAC), we conducted in situ angle dispersive X-ray diffraction (ADXRD) up to 47.6 GPa at room temperature to evaluate the structural stability of alpha-As2Te3. A reversible structural transition was observed at between 17.4 and 36.3 GPa. The high-pressure structure is solved by a gamma-Bi2Te3-type monoclinic phase (C2/c, gamma-As2Te3). Reliable structural analyses, such as Rietveld refinement of the powder x-ray data, were provided, which show that the previously reported high-pressure beta-As2Te3 phase is not existed. It is worth mentioning that twice pressure-induced electron phase transitions were revealed in alpha-As2Te3 at about 3 and 6 GPa, which cause the striking fluctuation in thermoelectric property at that pressures. (C) 2016 Elsevier B.V. All rights reserved.
文章类型	期刊
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57450
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhang, Y. H.,Y. M. Ma,A. H. Geng,et al. Pressure-induced electron phase transitions of alpha-As2Te3[J]. Journal of Alloys and Compounds,2016,685.
APA	Zhang, Y. H..,Y. M. Ma.,A. H. Geng.,C. Y. Zhu.,G. T. Liu.,...&X. Wang and P. W. Zhu.(2016).Pressure-induced electron phase transitions of alpha-As2Te3.Journal of Alloys and Compounds,685.
MLA	Zhang, Y. H.,et al."Pressure-induced electron phase transitions of alpha-As2Te3".Journal of Alloys and Compounds 685(2016).

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