Ultra-thin L10-FePt for perpendicular anisotropy L10-FePt/Ag/[Co/Pd]30 pseudo spin valves

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Ultra-thin L10-FePt for perpendicular anisotropy L10-FePt/Ag/[Co/Pd]30 pseudo spin valves
Title:
Ultra-thin L10-FePt for perpendicular anisotropy L10-FePt/Ag/[Co/Pd]30 pseudo spin valves
Other Titles:
Journal of Applied Physics
Keywords:
Publication Date:
06 January 2014
Citation:
J. Appl. Phys. 115, 17C102 (2014)
Abstract:
Perpendicular anisotropy L10-FePt/Ag/[Co/Pd]30 pseudo spin valves (PSVs) with ultra-thin L10-FePt alloy free layer possessing high anisotropy and thermal stability have been fabricated and studied. The thickness of the L10-FePt layer was varied between 2 and 4 nm. The PSV became increasingly decoupled with reduced L10-FePt thickness due to the larger difference between the coercivity of the L10-FePt and [Co/Pd]30 films. The PSV with an ultra-thin L10-FePt free layer of 2 nm displayed a high Ku of 2.21 107 ergs/cm3, high thermal stability of 84 and a largest giant magnetoresistance of 0.54%.
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Funding Info:
Description:
Copyright (2014) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Appl. Phys. 115, 17C102 (2014) and may be found at http://dx.doi.org/10.1063/1.4853175.
ISSN:
0021-8979
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