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Transverse magnetization in Cu/Ni/Cu epitaxial nanorings

Author

Listed:
  • Edna C. Corredor
  • David Coffey
  • José I. Arnaudas
  • Alfonso Ibarra
  • Caroline A. Ross
  • Miguel Ciria

Abstract

The micromagnetic structure in epitaxial (001)-oriented Cu/Ni(14 nm)/Cu rings fabricated by electron beam and focused ion beam lithographies with external diameter of 3 μm and linewidths between 100 and 500 nm is presented. We found that a state with radial orientation of the magnetization prevails at remanence. The evaluation of the magnetoelastic, magnetocrystalline and magnetostatic energies shows that a value as low as 1.5 × 10 -3 for the anisotropic relaxation of the in-plane strain components is enough to induce an effective radial easy magnetization direction. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Suggested Citation

  • Edna C. Corredor & David Coffey & José I. Arnaudas & Alfonso Ibarra & Caroline A. Ross & Miguel Ciria, 2013. "Transverse magnetization in Cu/Ni/Cu epitaxial nanorings," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 86(4), pages 1-7, April.
    • Handle: RePEc:spr:eurphb:v:86:y:2013:i:4:p:1-7:10.1140/epjb/e2013-30935-4
    DOI: 10.1140/epjb/e2013-30935-4
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