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Heterogeneous Structural Distortions Induced by In-Plane and Out-of-Plane Doping in Iron-Based Superconductors
Cheng, J; Xu W(徐伟); 刘利娟;Xu, W; Liu, LJ; Dong, P; Liu, SL
2014
发表期刊JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
卷号27期号:12页码:2719-2723
摘要For iron-based superconductors, both the inplane and out-of-plane doping can cause the superconductivity. In this contribution, we investigated both the electronic structure and local lattice structure induced by in-plane and out-of-plane doping in SmFeAsO-based superconductors probed by X-ray absorption spectroscopy. Data pointed out that upon out-of-plane doping the charge reservoir layers and superconductive layers become closer, enhancing the electron transfer from SmO to FeAs layers, and in the end, almost all the electron carriers were gathered around Fe atoms. On the other hand, for in-plane doping, we observed the elongation of Sm-As bonds but the shrinkage of FeAs layers that promoted the transfer of electron carriers on superconductive layers. Accordingly, it is because of the heterogeneous structural distortions that lead to the different superconducting mechanism of in-plane and out-of-plane doping in iron-based superconductors.
关键词Iron-based superconductors XAS In-plane doping Out-of-plane doping
学科领域Physics
DOI10.1007/s10948-014-2826-3
收录类别SCI
WOS记录号WOS:000345287100011
引用统计
被引频次:1[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/311005/225167
专题多学科研究中心
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GB/T 7714
Cheng, J,Xu W,刘利娟;Xu, W,et al. Heterogeneous Structural Distortions Induced by In-Plane and Out-of-Plane Doping in Iron-Based Superconductors[J]. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM,2014,27(12):2719-2723.
APA Cheng, J,徐伟,刘利娟;Xu, W,Liu, LJ,Dong, P,&Liu, SL.(2014).Heterogeneous Structural Distortions Induced by In-Plane and Out-of-Plane Doping in Iron-Based Superconductors.JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM,27(12),2719-2723.
MLA Cheng, J,et al."Heterogeneous Structural Distortions Induced by In-Plane and Out-of-Plane Doping in Iron-Based Superconductors".JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM 27.12(2014):2719-2723.
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