Superconductivity in Ca10 (Ir4 As8) (Fe2 As2)5 with Square-Planar Coordination of Iridium

Kazutaka Kudo, Daisuke Mitsuoka, Masaya Takasuga, Yuki Sugiyama, Kento Sugawara, Naoyuki Katayama, Hiroshi Sawa, Hiroaki S. Kubo, Kenta Takamori, Masanori Ichioka, Tatsuo Fujii, Takashi Mizokawa, Minoru Nohara

研究成果: Article査読

21 被引用数 (Scopus)

抄録

We report the unprecedented square-planar coordination of iridium in the iron iridium arsenide Ca 10 (Ir 4 As 8)(Fe 2 As 2) 5. This material experiences superconductivity at 16 K. X-ray photoemission spectroscopy and first-principles band calculation suggest Ir(II) oxidation state, which yields electrically conductive Ir 4 As 8 layers. Such metallic spacer layers are thought to enhance the interlayer coupling of Fe 2 As 2, in which superconductivity emerges, thus offering a way to control the superconducting transition temperature.

本文言語English
論文番号3101
ジャーナルScientific reports
3
DOI
出版ステータスPublished - 2013 10 31
外部発表はい

ASJC Scopus subject areas

  • General

フィンガープリント 「Superconductivity in Ca<sub>10</sub> (Ir<sub>4</sub> As<sub>8</sub>) (Fe<sub>2</sub> As<sub>2</sub>)<sub>5</sub> with Square-Planar Coordination of Iridium」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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