Large volume collapse observed in the phase transition in cubic PbCrO3 perovskite
Xiao, WS; Tan, DY; Xiong, XL; Liu, J; Xu, JA; Liu J(刘景)
刊名PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
2010
卷号107期号:32页码:14026-14029
关键词high pressure X-ray diffraction DAC electron state
学科分类Science & Technology - Other Topics
DOI10.1073/pnas.1005307107
通讯作者[Xu, Jian] China Acad Engn Phys, Inst Fluid Phys, Mianyang 621900, Peoples R China ; [Xu, Jian] Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China ; [Xiao, Wansheng ; Tan, Dayong ; Xiong, Xiaolin] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China ; [Liu, Jing] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要When cubic PbCrO3 perovskite (Phase I) is squeezed up to similar to 1.6 GPa at room temperature, a previously undetected phase (Phase II) has been observed with a 9.8% volume collapse. Because the structure of Phase II can also be indexed into a cubic perovskite as Phase I, the transition between Phases I and II is a cubic to cubic isostructural transition. Such a transition appears independent of the raw materials and synthesizing methods used for the cubic PbCrO3 perovskite sample. In contrast to the high-pressure isostructural electronic transition that appears in Ce and SmS, this transition seems not related with any change of electronic state, but it could be possibly related on the abnormally large volume and compressibility of the PbCrO3 Phase I. The physical mechanism behind this transition and the structural and electronic/magnetic properties of the condensed phases are the interesting issues for future studies.
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
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语种英语
WOS记录号WOS:000280767700012
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被引频次:38[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/311005/240196
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Xiao, WS,Tan, DY,Xiong, XL,et al. Large volume collapse observed in the phase transition in cubic PbCrO3 perovskite[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2010,107(32):14026-14029.
APA Xiao, WS,Tan, DY,Xiong, XL,Liu, J,Xu, JA,&刘景.(2010).Large volume collapse observed in the phase transition in cubic PbCrO3 perovskite.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,107(32),14026-14029.
MLA Xiao, WS,et al."Large volume collapse observed in the phase transition in cubic PbCrO3 perovskite".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 107.32(2010):14026-14029.
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