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X-ray resonant magnetic scattering study of magnetization reversals in a nanoscale spin-valve array

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Title: X-ray resonant magnetic scattering study of magnetization reversals in a nanoscale spin-valve array
Author(s): Lee, Dong Ryeol; Freeland, John W.; Choi, Yongseong; Srajer, George; Metlushko, Vitali; Ilic, Bojan
Subject(s): tunnel-junctions exchange scattering magnetoresistance memory
Abstract: We present an x-ray resonant magnetic scattering study that uses the periodicity of a patterned array of trilayer (Co/Cu/NiFe) elements to determine not only layer-dependent magnetic hysteresis, but, more importantly, to extract the magnetization reversal in different sections of the picture-frame-shaped structure. Spatially resolved and layer-resolved magnetization measurements have revealed that magnetic switching mechanism is very distinct in different regions of the structure and results from a balancing of the shape anisotropy and strong interlayer dipolar coupling. These results demonstrate how spatially averaged measurements are not sufficient to resolve the nature of the reversal mechanism within the structure.
Issue Date: 2007-10
Publisher: American Physical Society
Citation Info: Lee, D. R., Freeland, J. W., Choi, Y., Srajer, G., Metlushko, V., & Ilic, B. (2007). X-ray resonant magnetic scattering study of magnetization reversals in a nanoscale spin-valve array. Physical Review B, 76 . http://link.aps.org.proxy.cc.uic.edu/abstract/PRB/v76/e144425
Type: Article
Description: Publishers Copyright - http://forms.aps.org/author/copytrnsfr.pdf
URI: http://hdl.handle.net/10027/5591
ISSN: 1098-0121
Date Available in INDIGO: 2009-06-18
 

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