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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
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
Volume24Issue:11Pages:115402
AbstractStructural 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.
Subject AreaPhysics
DOI10.1088/0953-8984/24/11/115402
Indexed BySCI ; ADS
WOS IDWOS:000301176600005
ADS Bibcode2012JPCM...24k5402L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2012JPCM...24k5402L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2012JPCM...24k5402L/citations
Citation statistics
Cited Times:13 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224633
Collection多学科研究中心
Recommended Citation
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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