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In situ electrical impedance spectroscopy under high pressure on diamond anvil cell
He, CY; Gao, CX; Ma, YZ; Li, M; Hao, AM; Huang, XW; Liu, BG; Zhang, DM; Yu, CL; Zou, GT; Li, YC; Li, H; Li, XD; Liu, J; Li YC(李延春); Li H(李辉); Li XD(李晓东); Liu J(刘景)
2007
发表期刊APPLIED PHYSICS LETTERS
卷号91期号:9页码:92124
通讯作者Jilin Univ, State Key Lab Superhard Mat, Inst Atom & Mol Phys, Changchun 130012, Peoples R China ; Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA ; Chinese Acad Sci, Beijing Synchrotron Radiat Labs, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要The effect of grain boundary on electrical transportation properties is a basic physical problem and also a subject of material science and technology. In situ electrical measurement of powdered materials under high pressure provides a chance to figure out the electrical properties of grain boundaries. In this letter, the authors report an in situ impedance spectroscopy method used in conjunction with a diamond anvil cell for electrical property research of grain boundaries under high pressure. Powdered CdS was pressed up to 23 GPa and an impedance arc corresponding to the grain boundary was detected. It was found that the electrical property of the grain boundary changed with pressure and could be determined by the resistance and the relaxation frequency. Pressure decreases the effective scattering section of the grain boundary to charge carriers, and finally leads to the decrease of resistance and activation energy of the grain boundary.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1063/1.2778760
URL查看原文
语种英语
WOS类目Physics, Applied
WOS记录号WOS:000249156100071
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240846
专题多学科研究中心
粒子天体物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
He, CY,Gao, CX,Ma, YZ,et al. In situ electrical impedance spectroscopy under high pressure on diamond anvil cell[J]. APPLIED PHYSICS LETTERS,2007,91(9):92124.
APA He, CY.,Gao, CX.,Ma, YZ.,Li, M.,Hao, AM.,...&刘景.(2007).In situ electrical impedance spectroscopy under high pressure on diamond anvil cell.APPLIED PHYSICS LETTERS,91(9),92124.
MLA He, CY,et al."In situ electrical impedance spectroscopy under high pressure on diamond anvil cell".APPLIED PHYSICS LETTERS 91.9(2007):92124.
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