Matching effects in the field and temperature dependences of the magnetization of superconducting/ferromagnetic Nb/Ni multilayers

S. A. Kryukov, A. Bosomtwi, L. E. De Long, E. M. Gonzalez, E. Navarro, J. L. Vicent, J. E. Villegas, Wentao Xu

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

The temperature and field dependences of the magnetic moment of [Nb(x)/Ni(y)]5 multilayers are reported. Small kinks in the phase boundary defined in field-cooled AC experiments exhibit an approximate period of 733 Oe, and persist to a DC field H=6.5 kOe applied parallel to the multilayer. A second group of cusp anomalies in DC magnetization are observed for H<100 Oe with approximate period 15-20 Oe. The absence of anomalies in perpendicular field and normal state data suggest they are due to finite-size effects expected when the superconducting layer is thinner than the magnetic penetration depth.

Original languageEnglish (US)
Pages (from-to)610-612
Number of pages3
JournalJournal of Physics and Chemistry of Solids
Volume67
Issue number1-3
DOIs
StatePublished - Jan 1 2006
Externally publishedYes

Keywords

  • A: Magnetic materials
  • A: Multilayers
  • A: Superconductors
  • D: Magnetic properties
  • D: Phase equilibria

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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