超伝導体  Bi‐2212相超伝導体へのヨウ化鉄インターカレーションの研究

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タイトル別名
  • Study of Iron Iodide Intercalation into Bi-2212 Superconductor.
  • Bi 2212ソウ チョウデンドウタイ エ ノ ヨウカテツ インターカレーション ノ ケンキュウ

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We have adopted iron iodide intercalation into Bi2Sr2CaCu2Oy. The intercalation compound was prepared by heating pelletized mixture of polycrystalline Bi2Sr2CaCu2Oy powder and Fe powder in iodine atmosphere.<BR>The powder X-ray diffraction pattern showed the same result as of FeI2+xBi2Sr2CaCu2O8+y synthesized by Kijima group. The Mössbauer spectra showed α-Fe2O3(60%), 40% iron iodide intercalation performed. From a.c. magnetic susceptibility, the compound showed insulating. Iodine intercalation was also performed in order to compare their superconductivity.

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