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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)
Corresponding AuthorJilin 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
AbstractThe 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.
Subject AreaPhysics
Indexed ByADS
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000249156100071
ADS Bibcode2007ApPhL..91i2124H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2007ApPhL..91i2124H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2007ApPhL..91i2124H/citations
Citation statistics
Cited Times:17 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
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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