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Pressure-induced structural change in orthorhombic perovskite GdMnO3
Lin CL(林传龙); Zhang YF(张玉峰); Liu J(刘景); Lin, CL; Zhang, YF; Liu, J; Li, XD; Li, YC; Tang, LY; Xiong, L;; Li XD(李晓东); Li YC(李延春); Tang LY(唐玲云); Xiong L(熊伦)
2012
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
卷号24期号:11页码:115402
摘要Structural stability of the perovskite-type GdMnO3 has been investigated by the synchrotron angle-dispersive x-ray diffraction technique up to 63 GPa in a diamond anvil cell. GdMnO3 stays in an orthorhombic structure but undergoes an isostructural phase transition with similar to 5% volume reduction at 50 GPa. In the parent orthorhombic phase, the compressions along a, b and c axes exhibit a large anisotropic behavior. With increasing pressure, our results show that the distortion and tilts of the MnO6 octahedra are reduced continuously and the orthorhombic structure evolves towards higher symmetry. By fitting the observed pressure-volume data using the third-order Birch-Murnaghan equation of state, we obtain the bulk modulus B-0 = 156(3) GPa with B-0' = 6.5(3) for the starting orthorhombic phase. Upon decompression, the starting orthorhombic phase is recovered.
学科领域Physics
DOI10.1088/0953-8984/24/11/115402
收录类别SCI
WOS记录号WOS:000301176600005
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被引频次:11[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/311005/224633
专题多学科研究中心
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GB/T 7714
Lin CL,Zhang YF,Liu J,et al. Pressure-induced structural change in orthorhombic perovskite GdMnO3[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2012,24(11):115402.
APA 林传龙.,张玉峰.,刘景.,Lin, CL.,Zhang, YF.,...&熊伦.(2012).Pressure-induced structural change in orthorhombic perovskite GdMnO3.JOURNAL OF PHYSICS-CONDENSED MATTER,24(11),115402.
MLA 林传龙,et al."Pressure-induced structural change in orthorhombic perovskite GdMnO3".JOURNAL OF PHYSICS-CONDENSED MATTER 24.11(2012):115402.
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