A new superconducting sulfide - 'EuNb2S5'

S. Ya Istomin, A. Yu Grippa, O. G. D'Yachenko, E. V. Antipov, G. Svensson, J. L. Tholence

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A new low-temperature superconducting (Tc ≈ 3 K) niobium sulfide 'EuNb2S5' with a hexagonal structure (a = 3.3556(8) Å, c = 23.440(9) Å) was synthesized from a mixture of EuS, Nb(m) and S in evacuated and sealed silica tubes, heated at 1100°C for 48 h. This superconductor was characterized by EDX analysis, X-ray powder and electron diffraction studies. Electron diffraction revealed the presence of a supercell: asuper = bsuper = √7 × a.

Original languageEnglish
Pages (from-to)67-70
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Volume300
Issue number1-2
DOIs
Publication statusPublished - 1 May 1998
Externally publishedYes

Keywords

  • Eu- and Nb-based sulfide
  • Superconductivity
  • Synthesis

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