Domain wall induced magnetoresistance in a superconductor/ferromagnet nanowire
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In a nanowire consisting of a ferromagnet/insulator/superconductor multilayer structure, the superconductivity is shown to depend strongly on the configuration of the magnetic domain walls in the neighboring ferromagnetic layer, yielding a high magnetoresistance within a temperature range near the superconducting transition temperature T[subscript C]. Micromagnetic simulations confirmed that out-of-plane stray magnetic fields from uncompensated magnetic poles play a dominant role in inducing magnetoresistance in this particular system.
Date issued
2011-07Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Department of Physics; Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)Journal
Applied Physics Letters
Publisher
American Institute of Physics (AIP)
Citation
Miao, G. X., M. D. Mascaro, C. H. Nam, C. A. Ross, and J. S. Moodera. “Domain wall induced magnetoresistance in a superconductor/ferromagnet nanowire.” Applied Physics Letters 99, no. 3 (2011): 032501. © 2011 American Institute of Physics
Version: Final published version
ISSN
00036951
1077-3118