Pressure-induced isostructural phase transition in Bi2Sr2CaCu2O8+delta
Zhang, JB; Tang, LY; Zhang, J; Qin, ZX; Zeng, XJ; Liu, J; Wen, JS; Xu, ZJ; Gu, GD; Chen, XJL;刘景
刊名CHINESE PHYSICS C
2013
卷号37期号:8页码:88003
关键词cuprate superconductors structural properties high pressure synchrotron X-ray diffraction
学科分类Physics
DOI10.1088/1674-1137/37/8/088003
英文摘要The high-pressure structures of an underdoped cuprate superconductor Bi2Sr2CaCu2O8+delta have been studied by synchrotron X-ray diffraction at pressures up to 36.5 GPa. We find that this superconductor retains its orthogonal structure with the space group Amaa in the pressure range studied. Upon compression, both the a and b axes first shrink monotonically up to 17.4 GPa from their ambient pressure values and keep these behaviors with positive compressibilities up to 36.5 GPa after experiencing expansion with negative compressibilities in the pressure regime between 17.4 and 23.7 GPa. However, the c axis decreases continuously with increasing pressure with a slow change at about 23.7 GPa. The results indicate an isostructural phase transition starting at 17.4 GPa and a structural collapse at around 23.7 GPa.
收录类别SCI
WOS记录号WOS:000322937800018
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224762
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Zhang, JB,Tang, LY,Zhang, J,et al. Pressure-induced isostructural phase transition in Bi2Sr2CaCu2O8+delta[J]. CHINESE PHYSICS C,2013,37(8):88003.
APA Zhang, JB.,Tang, LY.,Zhang, J.,Qin, ZX.,Zeng, XJ.,...&Chen, XJL;刘景.(2013).Pressure-induced isostructural phase transition in Bi2Sr2CaCu2O8+delta.CHINESE PHYSICS C,37(8),88003.
MLA Zhang, JB,et al."Pressure-induced isostructural phase transition in Bi2Sr2CaCu2O8+delta".CHINESE PHYSICS C 37.8(2013):88003.
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