論文

査読有り
2017年3月

Various Arsenic Network Structures in 112-Type Ca1-xLaxFe1-yPdyAs2 Revealed by Synchrotron X-ray Diffraction Experiments

INORGANIC CHEMISTRY
  • Shinya Tamura
  • ,
  • Naoyuki Katayama
  • ,
  • Yuto Yamada
  • ,
  • Yuki Sugiyama
  • ,
  • Kento Sugawara
  • ,
  • Hiroshi Sawa

56
5
開始ページ
3030
終了ページ
3035
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1021/acs.inorgchem.6b03115
出版者・発行元
AMER CHEMICAL SOC

Two novel 112-type palladium-doped iron arsenides were synthesized and identified using comprehensive studies involving synchrotron X-ray diffraction and X-ray absorption near-edge structure (XANES) experiments. Whereas in-plane arsenic zigzag chains were found in the 112-type superconducting iron arsenide Ca1-xLaxFeAs2 with maximum T-c = 34 K, deformed arsenic network structures appeared in other 112-type materials, such as longitudinal arsenic zigzag chains in CaFe1-yPdyAs2 (y similar to 0.51) and arsenic square sheets constructed via hypervalent bonding in Ca1-xLaxFe1-yPdyAs2 (x similar to 0.31, y similar to 0.30). As K-edge XANES spectra clarified the similar oxidization states around FeAs4 tetrahedrons, alluding to possible parents for high-T-c 112-type iron arsenide superconductors.

Web of Science ® 被引用回数 : 4

リンク情報
DOI
https://doi.org/10.1021/acs.inorgchem.6b03115
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000395847300074&DestApp=WOS_CPL

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