http://www.cnr.it/ontology/cnr/individuo/prodotto/ID58345
Andreev reflection in ferrimagnetic CoFe2O4 spin filters (Articolo in rivista)
- Type
- Label
- Andreev reflection in ferrimagnetic CoFe2O4 spin filters (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.81.174415 (literal)
- Alternative label
Rigato, F; Piano, S; Foerster, M; Giubileo, F; Cucolo, AM; Fontcuberta, J (2010)
Andreev reflection in ferrimagnetic CoFe2O4 spin filters
in Physical review. B, Condensed matter and materials physics; APS, American physical society, College Park, MD (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Rigato, F; Piano, S; Foerster, M; Giubileo, F; Cucolo, AM; Fontcuberta, J (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1Institut de Ciència de Materials de Barcelona, CSIC, Campus UAB, Bellaterra 08193, Spain
2School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
3Physics Department and CNR-SPIN Salerno, c/o University of Salerno, Via Ponte don Melillo, 84084 Fisciano (SA), Italy (literal)
- Titolo
- Andreev reflection in ferrimagnetic CoFe2O4 spin filters (literal)
- Abstract
- We have performed point-contact spectroscopy measurements on a sample constituted by a metallic ferromagnetic
oxide ?SrRuO3? bottom electrode and a tunnel ferrimagnetic ?CoFe2O4? barrier. Andreev reflection is
observed across the tunnel barrier. From the comparison of Andreev reflection in SrRuO3 and across the
CoFe2O4 barrier we infer that the ferrimagnetic barrier has a spin filter efficiency not larger than +13%. The
observation of a moderate and positive spin filtering is discussed in the context of the microstructure of the
barriers and symmetry-related spin-filtering effects. (literal)
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