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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049513002781
|2 doi
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|a pubmed25n0755.xml
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|a (DE-627)NLM226739732
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|a (NLM)23592625
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Cheng, Jie
|e verfasserin
|4 aut
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|a Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.10.2013
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a 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
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a EXAFS
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|a iron-based superconductor
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|a local structural distortion
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|a Barium Compounds
|2 NLM
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|a Manganese
|2 NLM
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|a 42Z2K6ZL8P
|2 NLM
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|a Zinc
|2 NLM
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|a J41CSQ7QDS
|2 NLM
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| 700 |
1 |
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|a Dong, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Wangsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wen, Haihu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marcelli, Augusto
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Ziyu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 20(2013), Pt 3 vom: 10. Mai, Seite 455-9
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:20
|g year:2013
|g number:Pt 3
|g day:10
|g month:05
|g pages:455-9
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|u http://dx.doi.org/10.1107/S0909049513002781
|3 Volltext
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|d 20
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|e Pt 3
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|c 05
|h 455-9
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