Superconductivity and crystalline orientation in V/Cr-multilayers

Y. Kuwasawa, E. Touma, T. Nojima, S. Nakano

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We investigated the superconductivity of V/Cr-multilayers grown epitaxially on MgO(001) and Al2O3(1120) plate. The preferred orientation of V/Cr is (001) and (110) for MgO and Al2O3, respectively. Thickness of V-layer is fixed at dv=300 A ̊ and that of Cr-layer is varied from 20 to 80Å. Critical temperatures of (001)V/Cr are lower than those of (110)V/Cr. Dimensional crossover in the parallel critical fields Hc2|(T) is observed for dCr=20-60 A ̊ V/Cr on Al2O3 and dCr=20 A ̊ V/Cr on MgO. Stronger anisotropy of Hc2| in 2D region is shown in the samples grown on MgO.

Original languageEnglish
Pages (from-to)2423-2424
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Volume194-196
Issue numberPART 2
DOIs
Publication statusPublished - 1994 Feb 2
Externally publishedYes

ASJC Scopus subject areas

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

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