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Phase transformation of Ho2O3 at high pressure
Jiang S(蒋升); Liu J(刘景); Li XD(李晓东); Bai LG(白利刚); Zhang YF(张玉峰); Lin CL(林传龙); Li YC(李延春); Tang LY(唐玲云); Jiang, S; Liu, J; Li, XD; Bai, LG; Xiao, WS; Zhang, YF; Lin, CL; Li, YC; Tang, LY
Corresponding Author[Jiang, Sheng ; Liu, Jing ; Li, Xiaodong ; Bai, Ligang ; Zhang, Yufeng ; Lin, Chuanlong ; Li, Yanchun ; Tang, Lingyun] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Jiang, Sheng] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201203, Peoples R China ; [Xiao, Wansheng] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
AbstractThe structural stability of cubic Ho2O3 under high pressure has been investigated by angle-dispersive x-ray diffraction (ADXD) in a diamond anvil cell up to 63.0 GPa at room temperature. The diffraction data reveal two structural transformations on compression. The structural transformation from a cubic to a monoclinic structure starts at 8.9 GPa and is complete at 16.3 GPa with a similar to 8.1% volume collapse. A hexagonal phase begins to appear at similar to 14.8 GPa and becomes dominant at 26.4 GPa. This high-pressure hexagonal phase with a small amount of retained monoclinic phase is stable up to the highest pressure of 63.0 GPa in this study. After release of pressure, the hexagonal phase transforms to a monoclinic structure. A third-order Birch-Murnaghan fit yields zero pressure bulk moduli (B-0) of 206(3), 200(7) and 204(19) GPa and their pressure derivatives (B-0') of 4.8(4), 2.1(4), 3.8(5) for the cubic, monoclinic and hexagonal phases, respectively. Comparing with other rare-earth sesquioxides, it is suggested that the transition pressure from cubic to monoclinic phase, as well as the bulk modulus of the cubic phase, increases with the decreasing of the cation radius of rare-earth sesquioxides. (C) 2011 American Institute of Physics. [doi:10.1063/1.3603027]
Subject AreaPhysics
Indexed BySCI ; ADS
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000292776500043
ADS Bibcode2011JAP...110a3526J
ADS URLhttps://ui.adsabs.harvard.edu/abs/2011JAP...110a3526J
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2011JAP...110a3526J/citations
Citation statistics
Cited Times:17 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Jiang S,Liu J,Li XD,et al. Phase transformation of Ho2O3 at high pressure[J]. JOURNAL OF APPLIED PHYSICS,2011,110(1):13526.
APA 蒋升.,刘景.,李晓东.,白利刚.,张玉峰.,...&Tang, LY.(2011).Phase transformation of Ho2O3 at high pressure.JOURNAL OF APPLIED PHYSICS,110(1),13526.
MLA 蒋升,et al."Phase transformation of Ho2O3 at high pressure".JOURNAL OF APPLIED PHYSICS 110.1(2011):13526.
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