Superconductivity in Mg<sub>2</sub>Ir<sub>3</sub>Si: A Fully Ordered Laves Phase
作者: Kazutaka KudoHikaru HiiragiToshiaki HondaKazunori FujimuraHiroyuki IdeiMinoru Nohara
刊名: Journal of the Physical Society of Japan, 2020, Vol.89 (1)
来源数据库: The physical Society of Japan
DOI: 10.7566/JPSJ.89.013701
原始语种摘要: Novel ternary Laves phase compounds were explored, and Mg2Ir3Si was synthesized via a solid-state reaction. X-ray diffraction studies revealed that Mg2Ir3Si crystallizes in a Mg2Cu3Si-type structure ( P 63/ mmc , D 6 h 4, No. 194), which corresponds to a fully ordered variant of hexagonal Laves phase MgZn2. The structure is composed of a hexagonal diamond network of Mg atoms, a breathing Kagome network of Ir atoms, and a triangular network of Si atoms. Electrical resistivity, magnetization, and specific heat measurements of Mg2Ir3Si revealed that it exhibits superconductivity with a transition temperature of 7 K. This compound is compared to another Laves...
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关键词翻译
关键词翻译
  • hexagonal 六角形的
  • ordered 有序的
  • resistivity 电阻率
  • diffraction 衍射
  • transition 转移
  • structure 构造
  • temperature 温度
  • network 网络
  • preferable 优越的
  • diamond 金刚石