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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/40313

Title: Inverted magnetoresistance in dual spin valve structures with a synthetic antiferromagnetic free layer
Author: COEY, JOHN MICHAEL DAVID
WU, HAN-CHUN
SHVETS, IGOR
FOWLEY, CIARAN
Sponsor: Science Foundation Ireland
Author's Homepage: http://people.tcd.ie/ivchvets
http://people.tcd.ie/jcoey
http://people.tcd.ie/wuh2
http://people.tcd.ie/fowleyc
Keywords: Atomic, molecular and chemical physics
antiferromagnetic
Issue Date: 2009
Publisher: American Institute of Physics
Citation: C. Fowley, B. S. Chun, H. C. Wu, M. Abid, J. U. Cho, S. J. Noh, Y. K. Kim. I. V. Shvets, J. M. D. Coey, Inverted magnetoresistance in dual spin valve structures with a synthetic antiferromagnetic free layer, Applied Physics Letters, 95, 22, 2009, 222506-
Series/Report no.: Applied Physics Letters;
95;
22;
Abstract: We report an oscillation of the giant magnetoresistance GMR ratio as a function of Ru layer thickness in the CoFe/Cu/ CoFe/Ru/CoFe SAF/Cu/CoFe/IrMn dual spin valve SV structure. A normal GMR with a positive sign is observed for the thickness of Ru providing a ferromagnetic interlayer exchange coupling IEC . The inverted GMR is observed for the thickness of Ru providing an antiferromagnetic IEC, which is consistent with IEC period across the Ru spacer as well as the electrical separation of the overall structure into two SVs connected in parallel.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/40313
Related links: http://dx.doi.org/10.1063/1.3266522
Appears in Collections:Physics (Scholarly Publications)

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