Superconductivity and stability of near equiatomic V-Ru compounds at high pressure

T. F. Smith, R. N. Shelton, A. C. Lawson, C. W. Chu

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8 引文 斯高帕斯(Scopus)

摘要

The variation of Tc for the V-Ru compounds over the composition range 42 to 47.5 at % Ru has been investigated for hydrostatic pressures up to 25kbar. At zero pressure Tc peaks sharply between 45.5 and 46 at % Ru, with a subsidiary peak occurring about 44 at %. Heat treatment significantly influences the value of Tc For the cubic, B2 structure compounds with less than 45 at % RuTc follows a slight linear decrease under pressure. At Ru concentrations greater than 45.5 at %, for which the crystal structure undergoes a tetragonal distortion at zero pressure, there is a dramatic change in the pressure dependence of Tc which becomes strongly positive. This behaviour is discussed in relation to the pressure induced stability of the cubic structure.

原文English
文章編號014
頁(從 - 到)1423-1432
頁數10
期刊Journal of Physics F: Metal Physics
4
發行號9
DOIs
出版狀態Published - 1974

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 物理與天文學(雜項)
  • 金屬和合金

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