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The spin polarization of Mn atoms in paramagnetic CuMn alloys induced by a Co layer

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Abes, M., Atkinson, D., Tanner, B. K. (Brian Keith), Charlton, Timothy R., Langridge, Sean, Hase, Thomas P. A., Ali, M., Marrows, C. H., Neudert, A., Hicken, R. J., Mirone, A. and Arena, D. (2009) The spin polarization of Mn atoms in paramagnetic CuMn alloys induced by a Co layer. In: 53rd Annual Conference on Magnetism and Magnetic Materials, Austin, TX, November 11-14, 2008. Published in: Journal of Applied Physics, Vol.105 (No.7). article no. 07C703. ISSN 0021-8979. doi:10.1063/1.3063065

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Official URL: http://dx.doi.org/10.1063/1.3063065

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Abstract

Using the surface, interface, and element specificity of x-ray resonant magnetic scattering in combination with x-ray magnetic circular dichroism, we have spatially resolved the polarization, and hence the spin accumulation in Mn high susceptibility material in close proximity to a ferromagnetic layer. The magnetic polarization of Mn and Cu 3d electrons in paramagnetic CuMn layers is detected in a Co/Cu(x)/CuMn structure for varying copper layer thicknesses (x). The size of the Mn and Cu L2-3-edge dichroism shows a decrease in the polarization for increasing copper thickness indicating the dominant interfacial nature of the Cu and Mn spin polarization. The Mn polarization appears to be much higher than that of Cu. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3063065]

Item Type: Conference Item (Paper)
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Spintronics, Nuclear spin, Scattering (Physics), Paramagnetism, Polarization (Nuclear physics)
Journal or Publication Title: Journal of Applied Physics
Publisher: American Institute of Physics
ISSN: 0021-8979
Official Date: 1 April 2009
Dates:
DateEvent
1 April 2009Published
Volume: Vol.105
Number: No.7
Number of Pages: 3
Page Range: article no. 07C703
DOI: 10.1063/1.3063065
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: 53rd Annual Conference on Magnetism and Magnetic Materials
Type of Event: Conference
Location of Event: Austin, TX
Date(s) of Event: November 11-14, 2008

Data sourced from Thomson Reuters' Web of Knowledge

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