The use of the anisotropic magnetoresistance to study exchange coupling

E. Dan Dahlberg, T. Gredig, I. N. Krivorotov, C. Leighton, J. Nogués, Ivan K. Schuller, A. M. Goldman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A microscopic understanding of the ferromagnetic/antiferromagnetic (F/AF) direct exchange coupling remains elusive. An experimental technique, based on the anisotropic magnetoresistance (AMR), to determine both the magnitude of small reversible rotations of the magnetization and the overall orientation of the magnetization has been developed. Three extensions of the original AMR technique include a separation of the exchange anisotropy into rotatable and rigid components, measurements of the time dependence of the exchange anisotropy and its relation to coercivity, and the symmetry of the interfacial exchange coupling-induced anisotropy and its effect on magnetization reversal. A discussion of the techniques and a summary of the results are presented.

Original languageEnglish (US)
Title of host publicationINTERMAG Europe 2002 - IEEE International Magnetics Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)0780373650, 9780780373655
DOIs
StatePublished - Jan 1 2002
Event2002 IEEE International Magnetics Conference, INTERMAG Europe 2002 - Amsterdam, Netherlands
Duration: Apr 28 2002May 2 2002

Other

Other2002 IEEE International Magnetics Conference, INTERMAG Europe 2002
CountryNetherlands
CityAmsterdam
Period4/28/025/2/02

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