Transverse field-induced nucleation pad switching modes during domain wall injection Metadata

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  • Main Title Transverse field-induced nucleation pad switching modes during domain wall injection


  • Author: Bryan, M. T.
    Creator Type: Personal
  • Author: Fry, P. W.
    Creator Type: Personal
  • Author: Schrefl, T.
    Creator Type: Personal
  • Author: Gibbs, M. R. J.
    Creator Type: Personal
  • Author: Allwood, D. A.
    Creator Type: Personal
  • Author: Im, M.-Y.
    Creator Type: Personal
  • Author: Fischer, P.
    Creator Type: Personal


  • Sponsor: Materials Sciences Division
    Contributor Type: Organization


  • Name: Lawrence Berkeley National Laboratory
    Place of Publication: Berkeley, California
    Additional Info: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States)


  • Creation: 2010-03-12


  • English


  • Content Description: We have used magnetic transmission X-ray microscopy (M-TXM) to image in-field magnetization configurations of patterned Ni{sub 80}Fe{sub 20} domain wall 'injection pads' and attached planar nanowires. Comparison with micromagnetic simulations suggests that the evolution of magnetic domains in rectangular injection pads depends on the relative orientation of closure domains in the remanent state. The magnetization reversal pathway is also altered by the inclusion of transverse magnetic fields. These different modes explain previous results of domain wall injection into nanowires. Even more striking was the observation of domain walls injecting halfway across the width of wider (>400 nm wide) wires but over wire lengths of several micrometers. These extended Neel walls can interact with adjacent nanowires and cause a switching in the side of the wire undergoing reversal as the domain wall continues to expand.
  • Physical Description: 14


  • Keyword: Magnetization
  • Keyword: Orientation
  • Keyword: Magnetic Fields
  • STI Subject Categories: 36
  • Keyword: Microscopy
  • Keyword: Nucleation
  • Keyword: Closures


  • Journal Name: IEEE Transactions on Magnetics


  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI


  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Article


  • Text


  • Report No.: LBNL-3325E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 983188
  • Archival Resource Key: ark:/67531/metadc1014610