Temperature-dependent magnetic interface location in interdiffused exchange biased bilayers

M. S. Lund; M. R. Fitzsimmons; S. Park; C. Leighton

doi:10.1063/1.1799250

Temperature-dependent magnetic interface location in interdiffused exchange biased bilayers

M. S. Lund, M. R. Fitzsimmons, S. Park, C. Leighton

Chemical Engineering and Materials Science

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Abstract

The effect of interdiffusion in epitaxial NiMn/Ni bilayers was analyzed. It was observed that competition between antiferromagnetic and ferromagnetic interactions in the interdiffused region lead to a temperature-dependant magnetic interface location. It was found that effective magnetic thickness of the Ni layer reduced on cooling to 10 K. It was also observed that decrease in magnetization with decreasing temperature disappeared for annealed NiMn/Ni layers with low interdiffusion.

Original language	English (US)
Pages (from-to)	2845-2847
Number of pages	3
Journal	Applied Physics Letters
Volume	85
Issue number	14
DOIs	https://doi.org/10.1063/1.1799250
State	Published - Oct 4 2004

Bibliographical note

Funding Information:
Work at UMN was supported primarily by the NSF MRSEC (DMR-0212302). The facilities of the Manuel Lujan Jr. Neutron Scattering Center are gratefully appreciated. Work at LANL was supported in part by the U.S. DoE, BES-DMS (W-7405-Eng-36), the University of California Campus Laboratory Collaborative program, and Laboratory Directed Research and Development funds.

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abstract = "The effect of interdiffusion in epitaxial NiMn/Ni bilayers was analyzed. It was observed that competition between antiferromagnetic and ferromagnetic interactions in the interdiffused region lead to a temperature-dependant magnetic interface location. It was found that effective magnetic thickness of the Ni layer reduced on cooling to 10 K. It was also observed that decrease in magnetization with decreasing temperature disappeared for annealed NiMn/Ni layers with low interdiffusion.",

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AU - Fitzsimmons, M. R.

AU - Park, S.

AU - Leighton, C.

N1 - Funding Information: Work at UMN was supported primarily by the NSF MRSEC (DMR-0212302). The facilities of the Manuel Lujan Jr. Neutron Scattering Center are gratefully appreciated. Work at LANL was supported in part by the U.S. DoE, BES-DMS (W-7405-Eng-36), the University of California Campus Laboratory Collaborative program, and Laboratory Directed Research and Development funds.

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N2 - The effect of interdiffusion in epitaxial NiMn/Ni bilayers was analyzed. It was observed that competition between antiferromagnetic and ferromagnetic interactions in the interdiffused region lead to a temperature-dependant magnetic interface location. It was found that effective magnetic thickness of the Ni layer reduced on cooling to 10 K. It was also observed that decrease in magnetization with decreasing temperature disappeared for annealed NiMn/Ni layers with low interdiffusion.

AB - The effect of interdiffusion in epitaxial NiMn/Ni bilayers was analyzed. It was observed that competition between antiferromagnetic and ferromagnetic interactions in the interdiffused region lead to a temperature-dependant magnetic interface location. It was found that effective magnetic thickness of the Ni layer reduced on cooling to 10 K. It was also observed that decrease in magnetization with decreasing temperature disappeared for annealed NiMn/Ni layers with low interdiffusion.

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Temperature-dependent magnetic interface location in interdiffused exchange biased bilayers

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