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The Phase Transition of Eu2O3 under High Pressures
Jiang S(蒋升); Bai LG(白利刚); Liu J(刘景); Li XD(李晓东); Li YC(李延春); Tang LY(唐玲云); Zhang YF(张玉峰); Zhang DC(张德纯); Zheng LR(郑黎荣); Jiang, S; Bai, LG; Liu, J; Xiao, WS; Li, XD; Li, YC; Tang, LY; Zhang, YF; Zhang, DC; Zheng, LR
Corresponding Author[Jiang Sheng ; Bai Li-Gang ; Liu Jing ; Li Xiao-Dong ; Li Yan-Chun ; Tang Ling-Yun ; Zhang Yu-Feng ; Zhang De-Chun ; Zheng Li-Rong] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Xiao Wan-Sheng] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
AbstractPressure-induced phase transition of cubic Eu2O3 is studied by angle-dispersive x-ray diffraction (ADXD) up to 42.3 GPa at room temperature. A structural transformation from a cubic phase to a hexagonal phase is observed, which starts at 5.0 GPa and finishes at about 13.1 GPa. The phase transition leads to a volume collapse of 9.0% at 8.6 GPa. The hexagonal phase of Eu2O3 maintains stable up to the highest experiment pressure. After release of pressure, the high-pressure phase transforms to a monoclinic phase. The pressure-volume data are fitted with the Birch-Murnaghan equation of state. The bulk moduli obtained upon compression from the fitting are 145(2) GPa and 151(6) GPa for the cubic and hexagonal phases, respectively, when their first pressure derivatives are fixed at 4.
Subject AreaPhysics
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000268157100059
Citation statistics
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Jiang S,Bai LG,Liu J,et al. The Phase Transition of Eu2O3 under High Pressures[J]. CHINESE PHYSICS LETTERS,2009,26(7):76101.
APA 蒋升.,白利刚.,刘景.,李晓东.,李延春.,...&Zheng, LR.(2009).The Phase Transition of Eu2O3 under High Pressures.CHINESE PHYSICS LETTERS,26(7),76101.
MLA 蒋升,et al."The Phase Transition of Eu2O3 under High Pressures".CHINESE PHYSICS LETTERS 26.7(2009):76101.
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