Criteria for ferromagnetic-insulator-ferromagnetic tunneling

Johan J. Åkerman, R. Escudero, C. Leighton, S. Kim, D. A. Rabson, Renu Whig Dave, J. M. Slaughter, Ivan K. Schuller

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

The Rowell criteria, commonly used to identify tunneling in magnetic tunnel junctions (MTJ), are scrutinized. While neither the exponential-thickness dependence of the conductivity nor fits of non-linear transport data are found to be reliable tunneling criteria, the temperature-dependent conductivity does remain a solid criterion. Based on experimental studies of the bias and temperature-dependent resistance and magnetoresistance of MTJs, with and without shorted barriers, a new set of criteria is formulated.

Original languageEnglish (US)
Pages (from-to)86-91
Number of pages6
JournalJournal of Magnetism and Magnetic Materials
Volume240
Issue number1-3
DOIs
StatePublished - Feb 2002

Keywords

  • Magnetoresistance
  • Thin films - trilayer
  • Tunneling

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