Vortex-lattice phase diagram of Nb/NbZr multilayers

T. Nojima, M. Kinoshita, S. Nakano, Y. Kuwasawa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Multilayer of Nb/NbZr shows an upturn behavior in the parallel upper critical field Hc2{norm of matrix}(T). In this work, we studied the critical current density Jc as a function of magnetic field H and of the angle between H and film plane at various temperatures. From the non-monotonic behavior Jc(H), we found two characteristic fields, Hp and HL, above and below the upturn temperature. An analysis with the angular dependence shows that a dimensional crossover in the mixed state and a shift of the order parameter from Nb to NbZr occur at Hp and HL, respectively.

Original languageEnglish
Pages (from-to)1879-1880
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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