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In situ electrical conductivity measurement of high-pressure molten (Mg-0.875,Fe-0.125)(2)SiO4
Li, M; Gao, CX; Ma, YZ; Wang, DJ; Li, YC; Liu, J; Li YC(李延春); Liu J(刘景)
2007
发表期刊APPLIED PHYSICS LETTERS
卷号90期号:11页码:113507
通讯作者Jilin Univ, Inst Atom & Mol Phys, Natl Lab Superhard Mat, Changchun 130012, Peoples R China ; Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA ; Chinese Acad Sci, Inst Geochem, Guiyang 550002, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Labs, Beijing 100039, Peoples R China
文章类型Article
摘要In situ resistance measurement of mantle mineral under high temperature and pressure has been considered an important method for studying the electrical properties and thermal states of Earth's interior. Here the authors report the results of the electrical conductivity of molten olivine [(Mg-0.875,Fe-0.125)(2)SiO4] on diamond anvil cell with pressure at 13.2 GPa and temperature at 3720 K. The results indicate that the activation enthalpy of molten olivine is much less than that of solid, and its conductivity is relatively insensitive to temperature. Moreover, at the given temperature range the conductivity of molten olivine exhibits Arrhenius behavior perfectly. Compared to the results of Hawaiian tholeiite provided by Tyburczy and Waff [J. Geophys. Res. 88, 1413 (1983)] at lower pressure and temperature, the pressure effect on molten olivine conductivity is slightly weaker. This method for electrical conductivity measurement on laser-heated diamond anvil cell allows the environment simulation study of unresearched regions of Earth, no longer restricted to large cavity press. (c) 2007 American Institute of Physics.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1063/1.2712811
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Applied
WOS记录号WOS:000244959200100
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被引频次:22[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/311005/240932
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Li, M,Gao, CX,Ma, YZ,et al. In situ electrical conductivity measurement of high-pressure molten (Mg-0.875,Fe-0.125)(2)SiO4[J]. APPLIED PHYSICS LETTERS,2007,90(11):113507.
APA Li, M.,Gao, CX.,Ma, YZ.,Wang, DJ.,Li, YC.,...&刘景.(2007).In situ electrical conductivity measurement of high-pressure molten (Mg-0.875,Fe-0.125)(2)SiO4.APPLIED PHYSICS LETTERS,90(11),113507.
MLA Li, M,et al."In situ electrical conductivity measurement of high-pressure molten (Mg-0.875,Fe-0.125)(2)SiO4".APPLIED PHYSICS LETTERS 90.11(2007):113507.
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