Pressure-induced structural change in orthorhombic perovskite GdMnO3

	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;
刊名	JOURNAL OF PHYSICS-CONDENSED MATTER
	2012
卷号	24 期号:11 页码:115402
英文摘要	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.
学科主题	Physics
收录类别	SCI
WOS记录号	WOS:000301176600005
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/224633]
专题	高能物理研究所_多学科研究中心
推荐引用方式 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.