High pressure Raman investigations of multiferroic BiFeO3
Yang, Y; Bai LG(白利刚); Jiang S(蒋升); Liu J(刘景); Bai, LG; Zhu, K; Liu, YL; Jiang, S; Liu, J; Chen, J; Xing, XR
刊名JOURNAL OF PHYSICS-CONDENSED MATTER
2009
卷号21期号:38页码:385901
学科分类Physics
DOI10.1088/0953-8984/21/38/385901
通讯作者[Yang, Y. ; Zhu, K. ; Liu, Y. L.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China ; [Bai, L. G. ; Jiang, S. ; Liu, J.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Chen, J. ; Xing, X. R.] Univ Sci & Technol Beijing, Dept Phys Chem, Beijing 100083, Peoples R China
文章类型Article
英文摘要We have reported a Raman scattering investigation of bismuth ferrite (BiFeO3) under high pressure up to 50 GPa. Distinct changes in the Raman spectra show evidence for three pressure-induced structural transitions. The abrupt frequency redshifts of the Raman modes near 300 cm(-1) at around 3 GPa are attributed to the modulation of the FeO6 octahedral tilts. The disappearance of the modes below 250 cm(-1) at 8.6 GPa, together with the enhancement of the two modes in the range of 300-400 cm(-1), indicate the phase transition from the rhombohedral to orthorhombic symmetry. Afterward, the E-3 and E-4 modes disappear at 44.6 GPa, pointing to the occurrence of the orthorhombic-cubic phase transition, which is consistent with the previous postulate that an orthorhombic-cubic transition takes place across the metal-insulator transition at high pressures.
类目[WOS]Physics, Condensed Matter
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000269363600018
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被引频次:30[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/311005/241060
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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GB/T 7714
Yang, Y,Bai LG,Jiang S,et al. High pressure Raman investigations of multiferroic BiFeO3[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2009,21(38):385901.
APA Yang, Y.,白利刚.,蒋升.,刘景.,Bai, LG.,...&Xing, XR.(2009).High pressure Raman investigations of multiferroic BiFeO3.JOURNAL OF PHYSICS-CONDENSED MATTER,21(38),385901.
MLA Yang, Y,et al."High pressure Raman investigations of multiferroic BiFeO3".JOURNAL OF PHYSICS-CONDENSED MATTER 21.38(2009):385901.
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