Determination of the spin polarization of half-metallic CrO(2) by point contact Andreev reflection
- Ji, Y.
- Strijkers, G. J.
- Yang, F. Y.
- Chien, C. L.
- Byers, J. M.
- Anguelouch, A.
- Xiao, G.
- Gupta, A.
Publication date
January 2001
DOI Publisher
American Physical Society (APS) ISSN
0031-9007Abstract
Andreev reflection at a Pb/CrO(2) point contact has been used to determine the spin polarization of single-crystal CrO(2) films made by chemical vapor deposition. The spin polarization is found to be 0.96 +/- 0.01, which confirms that CrO(2) is a half-metallic ferromagnet, as theoretically predicte
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