Journal
APL MATERIALS
Volume 2, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4869798
Keywords
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Funding
- Office of Naval Research [N00014-09-C-0292, N00014-13-1-0069]
- IARPA [IARPA-BAA-10-07-AB-8553]
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Ferromagnetic Heusler Co2FeAl0.5Si0.5 epitaxial thin-films have been fabricated in the L2(1) structure with saturation magnetizations over 1200 emu/cm(3). Andreev reflection measurements show that the spin polarization is as high as 80% in samples sputtered on unheated MgO (100) substrates and annealed at high temperatures. However, the spin polarization is considerably smaller in samples deposited on heated substrates. (C) 2014 Author(s).
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