Observation of Distinct Metallic Conductivity in NaCo_2O_4

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概要

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• Electrical conductivity and powder X-ray studies have been made on (S_<1-α>Na_<[α]>)CoO_x after firing at 980℃ in air. The data are explainable in terms of the mixed phase of SrCoO_x (x〜2.5) and NaCo_2O_4. We found a distinct metallic conductivity in NaCO_2O_4; the resistivity decreases linearly to 12 K from room temperature. This compound may be another candidate mother oxide for future study of high-temperature superconductivity.

• 社団法人応用物理学会の論文
• 1994-04-15

著者

• NAKAMURA Shin

  School of Science and Engineering, Teikyo University

• Tanaka Tomoaki

  School Of Science & Engineering Teikyo University:institute Of Science And Technology Hokuriku.

• Iida Shuichi

  School Of Science & Engineering Teikyo University

• Nakamura Shin

  School Of Science & Engineering Teikyo University

関連論文

• Charge Disproportionation and Antiferromagnetic Order of Sr_3Fe_2O_7 : Condensed Matter: Electronic Properties, etc.
• Metallic Conduction in Hexagonal Potassium Cobalt Oxide KCo_2O_4
• Observation of Distinct Metallic Conductivity in NaCo_2O_4
• New Data on Electrical Properties and Antiferromagnetism of Highly Oxidized Perovskite SrFeO_x (2.5

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