Substitution and cointercalation effects on superconducting electron-doped layer structured metal nitride halides

Shoji Yamanaka, Ken Ichi Hotehama, Takeshi Koiwasaki, Hitoshi Kawaji, Hiroshi Fukuoka, Shin Ichi Shamoto, Tsuyoshi Kajitani

研究成果: Article同行評審

19 引文 斯高帕斯(Scopus)

摘要

The effects of substitution of halogens and metals in β-MNX (M = Zr, Hf; X = CI, Br, I) on the superconductivity of the electron-doped compounds were studied. The onset temperature (Tc) was mainly determined by the type of nitride layers (ZrN or HfN), and varied linearly with the compositions between the Tcs of the end members. The post-cointercalation of propylene carbonate molecules with Na greatly expanded the spacing between the nitride layers without changing the doping level and the two-dimensional structure. The cointercalation phase had irreversible temperature in the magnetization curves, and showed an anisotropic effect on Tc and the magnetic susceptibility.

原文English
頁(從 - 到)699-702
頁數4
期刊Physica C: Superconductivity and its applications
341-348
發行號PART 3
DOIs
出版狀態Published - 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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