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A New Layered Iron Arsenide Superconductor: (Ca,Pr)FeAs_2

机译：新型层状砷化铁超导体：（Ca，Pr）FeAs_2

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摘要

A new iron-based superconductor, (Ca,Pr)-FeAs_2, was discovered. Plate-like crystals of the new phase were obtained, and its crystal structure was investigated by single-crystal X-ray diffraction analysis. The structure was identified as the monodinic system with space group P2_1/ m, composed of two Ca(Pr) planes, Fe_2As_2 layers, and As_2 zigzag chain layers. Plate-like crystals of the new phase showed superconductivity, with a T_c of ～20 K in both magnetization and resistivity measurements.
机译：发现了一种新的铁基超导体（Ca，Pr）-FeAs_2。获得了新相的板状晶体，并通过单晶X射线衍射分析研究了其晶体结构。该结构被确定为具有空间群P2_1 / m的单一系统，该空间群由两个Ca（Pr）平面，Fe_2As_2层和As_2之字形链层组成。新相的板状晶体表现出超导性，在磁化和电阻率测量中T_c均为〜20K。

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  • 来源
    《Journal of the American Chemical Society》 |2014年第3期|846-849|共4页
  • 作者

    Hiroyuki Yakita; Hiraku Ogino; Tomoyuki Okada; Akiyasu Yamamoto; Kohji Kishio; Tetsuya Tohei; Yuichi Ikuhara; Yoshito Gotoh; Hiroshi Fujihisa; Kunimitsu Kataoka; Hiroshi Eisaki; Jun-ichi Shimoyama;

  • 作者单位

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

    Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan;

    Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan;

    Department of Applied Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 入库时间 2022-08-18 03:11:02

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