Surface spin flip probability of mesoscopic Ag wires.
Journal Article
·
· Phys. Rev. Lett.
Spin relaxation in mesoscopic Ag wires in the diffusive transport regime is studied via nonlocal spin valve and Hanle effect measurements performed on Permalloy/Ag lateral spin valves. The ratio between momentum and spin relaxation times is not constant at low temperatures. This can be explained with the Elliott-Yafet spin relaxation mechanism by considering the momentum surface relaxation time as being temperature dependent. We present a model to separately determine spin flip probabilities for phonon, impurity and surface scattering and find that the spin flip probability is highest for surface scattering.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 982692
- Report Number(s):
- ANL/MSD/JA-67094; TRN: US201015%%1298
- Journal Information:
- Phys. Rev. Lett., Vol. 104, Issue Jun. 8, 2010
- Country of Publication:
- United States
- Language:
- ENGLISH
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