Predicted effects of pinhole and surface roughness in Magnetoresistive read head

R. H. Victora, Xi Chen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Magnetoresistive read heads based on giant magnetoresistance spin-valves or magnetic tunnel junctions have been widely used in magnetic recording. In the fabrication of these nano structures, the surface roughness is crucial to the performance of the devices, both electrically and magnetically. In this work, we theoretically study the effect of roughness and pinholes in magnetic tunnel junctions and nanowire systems. Results are compared to experiment.

Original languageEnglish (US)
Pages (from-to)702-708
Number of pages7
JournalIEEE Transactions on Magnetics
Volume46
Issue number3 PART 1
DOIs
StatePublished - Mar 2010

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation under award No. ECS-0621868. The authors are grateful for resources from the University of Minnesota Supercomputing Institute.

Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.

Keywords

  • Index Terms-Magnetic tunnel junction
  • Magnetoresistive read head
  • Nanowire
  • Surface roughness

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