Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor
Cheng, J; Dong, P; Chu WS(储旺盛); Chu, WS; Xu, W; Wen, HH; Marcelli, A; Wu, ZY;; Xu W(徐伟); Wu ZY(吴自玉)
刊名JOURNAL OF SYNCHROTRON RADIATION
2013
卷号20期号:3页码:455-459
关键词EXAFS local structural distortion iron-based superconductor
学科分类Instruments & Instrumentation; Optics; Physics
DOI10.1107/S0909049513002781
英文摘要To clarify the contrasting impurity effects of Mn and Zn dopants on the critical temperature of optimally doped Ba0.5K0.5Fe2As2 superconductors, extended X-ray absorption fine-structure spectroscopy was implemented at the Fe and As K-edge. In Mn-doped compounds a gradual deviation of the symmetric FeAs4 tetrahedron and weakening of the Fe-As bond was observed. Conversely, in Zn-doped compounds the perfect FeAs4 tetrahedron is maintained and the Fe-As bond is rigid. The local structural details are consistent with the development of superconductivity in these two systems, suggesting a significant role played by the topology of the FeAs4 tetrahedron and rigidness of the Fe-As bond in Mn/Zn-doped Ba0.5K0.5Fe2As2 superconductors.
收录类别SCI
WOS记录号WOS:000317604800009
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223986
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
中国科学院高能物理研究所_多学科研究中心
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Cheng, J,Dong, P,Chu WS,et al. Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor[J]. JOURNAL OF SYNCHROTRON RADIATION,2013,20(3):455-459.
APA Cheng, J.,Dong, P.,储旺盛.,Chu, WS.,Xu, W.,...&吴自玉.(2013).Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor.JOURNAL OF SYNCHROTRON RADIATION,20(3),455-459.
MLA Cheng, J,et al."Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor".JOURNAL OF SYNCHROTRON RADIATION 20.3(2013):455-459.
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