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Criteria for ferromagnetic-insulator-ferromagnetic tunneling
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2002 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, Vol. 240, no 03-jan, 86-91 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2002. Vol. 240, no 03-jan, 86-91 p.
Keyword [en]
magnetoresistance, thin films-trilayer, tunneling, room-temperature, point contacts, junctions, magnetoresistance, metal, nanocontacts, resistance, barriers, transition, quality
URN: urn:nbn:se:kth:diva-21572ISI: 000175813900025OAI: diva2:340270
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Åkerman, Johan
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