Lorentz transmission electron microscopy investigation of magnetically patterned Co/Pt multilayers
Skip to main content
eScholarship
Open Access Publications from the University of California

Lorentz transmission electron microscopy investigation of magnetically patterned Co/Pt multilayers

  • Author(s): Kusinski, G.J.;
  • Krishnan, K.M.;
  • Weller, D.;
  • Terris, B.D.;
  • Folks, L.;
  • Kellock, A.J.;
  • Baglin, J.E.E.;
  • Thomas, G.
  • et al.
Abstract

The switching behavior of magnetic patterns prepared by ion irradiation was investigated. Co/Pt multilayers with perpendicular anisotropy and large out-of-plane coercivities 5-6 kOe were grown on electron transparent SiN windows. Regularly spaced 1 micron sized regions, were magnetically pattered via ion beam irradiation through a stencil mask. Lorentz TEM was used to observe in-situ magnetization reversal processes of irradiated regions under well-defined applied magnetic fields. When the in-plane field was increased, domain wall motion was observed, resulting in the alignment of the patterns with the direction of the applied field. The switching mechanism of the in-plane patterns was by domain wall motion.

Main Content
For improved accessibility of PDF content, download the file to your device.
Current View