IHEP OpenIR
Structure determination of the high-pressure phase of CdSe
Li YC(李延春); Lin CL(林传龙); Li, YC; Lin, CL; Li, G; Xu, J; Li, XD; Liu, J; Li XD(李晓东); Liu J(刘景)
2014
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
EISSN1089-7550
Volume115Issue:22Pages:223507
AbstractStructural phase transition sequence of CdSe has been investigated at pressures up to 60GPa under quasi-hydrostatic conditions using synchrotron X-ray diffraction. A phase transition from the wurtzite type (B4) to the NaCl-type (B1) structure has been observed, followed by another phase transition to an orthorhombic structure at 27GPa, in agreement with previous reports. We show that this high-pressure orthorhombic phase has a Pnma symmetry rather than being a Cmcm-symmetric structure as previously suggested. From our observations, the appearance of the new reflections and reflection splitting with increasing pressure is due to the change of atomic relative positions in crystal lattice and the difference in the compression ratio of lattice parameters for the Pnma structure, and we find no evidence for the third phase transition reported previously. The pressure-induced phase transition of CdSe has been further confirmed by the density-functional theory calculations. (C) 2014 AIP Publishing LLC.
Subject AreaPhysics
DOI10.1063/1.4882298
Indexed BySCI ; ADS
Language英语
WOS IDWOS:000337891800015
ADS Bibcode2014JAP...115v3507L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2014JAP...115v3507L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2014JAP...115v3507L/citations
Citation statistics
Cited Times:3 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225064
Collection中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Li YC,Lin CL,Li, YC,et al. Structure determination of the high-pressure phase of CdSe[J]. JOURNAL OF APPLIED PHYSICS,2014,115(22):223507.
APA 李延春.,林传龙.,Li, YC.,Lin, CL.,Li, G.,...&刘景.(2014).Structure determination of the high-pressure phase of CdSe.JOURNAL OF APPLIED PHYSICS,115(22),223507.
MLA 李延春,et al."Structure determination of the high-pressure phase of CdSe".JOURNAL OF APPLIED PHYSICS 115.22(2014):223507.
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