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Scaling of spin relaxation and angular momentum dissipation in permalloy nanowires
Moore, T. A., Klaeui, M., Heyne, L., Moehrke, P., Backes, D., Rhensius, J., Ruediger, U., Heyderman, L. J., Thiele, J.-U., Woltersdorf, Georg, Back, C. H., Rodriguez, A. Fraile, Nolting, F., Mentes, T. O., Nino, M. A., Locatelli, A., Potenza, A., Marchetto, H., Cavill, S. and Dhesi, S. S. (2009) Scaling of spin relaxation and angular momentum dissipation in permalloy nanowires. Physical Review B (PRB) 80 (13).Date of publication of this fulltext: 21 May 2010 06:24
Article
DOI to cite this document: 10.5283/epub.14906
Abstract
We study the relationship between the damping (alpha) and the nonadiabaticity of the spin transport (beta) in permalloy nanowires. alpha is engineered by Ho doping, and from the characteristics of the current-induced domain-wall velocity, determined by high-resolution x-ray magnetic circular-dichroism photoemission electron microscopy, beta due to spin relaxation is measured. We ...
We study the relationship between the damping (alpha) and the nonadiabaticity of the spin transport (beta) in permalloy nanowires.
alpha is engineered by Ho doping, and from the characteristics of the
current-induced domain-wall velocity, determined by high-resolution
x-ray magnetic circular-dichroism photoemission electron microscopy,
beta due to spin relaxation is measured. We find that beta scales with
alpha and conclude that the spin relaxation that leads to nonadiabatic
spin torque originates from the same underlying mechanism as the
angular momentum dissipation that causes viscous damping.
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Details
| Item type | Article |
| Journal or Publication Title | Physical Review B (PRB) |
| Publisher: | American Physical Society |
|---|---|
| Open Access Type: | Due to SHERPA/RoMEO |
| Volume: | 80 |
| Number of Issue or Book Chapter: | 13 |
| Date | October 2009 |
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Chair Professor Back > Group Christian Back |
| Dewey Decimal Classification | 500 Science > 530 Physics |
| Status | Published |
| Refereed | Yes, this version has been refereed |
| Created at the University of Regensburg | Partially |
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-149060 |
| Item ID | 14906 |
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