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Title: Enhanced spin signal in nonlocal devices based on a ferromagnetic CoFeAl alloy
Authors: Bridoux, G ×
Costache, M. V
Van de Vondel, Joris
Neumann, I
Valenzuela, S. O #
Issue Date: Sep-2011
Publisher: American Institute of Physics
Series Title: Applied Physics Letters vol:99 issue:10 pages:-
Article number: 102107
Abstract: We systematically study the nonlocal spin signal in lateral spin valves based on CoFeAl injectors and detectors and compare the results with identically fabricated devices based on CoFe. The devices are fabricated by electron beam evaporation at room temperature. We observe a > 10-fold enhancement of the spin signal in the CoFeAl devices. We explain this increase as due to the formation of a highly spin-polarized Co2FeAl Heusler compound with large resistivity. These results suggest that Heusler compounds are promising candidates as spin polarized electrodes in lateral spin devices for future spintronic applications. (C) 2011 American Institute of Physics. [doi:10.1063/1.3635391]
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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