Electronic structure and transport properties of atomic NiO spinvalves

Details Electronic structure and transport properties of atomic NiO spinvalves Electronic structure and transport properties of atomic NiO spinvalves

2006-09-04

arxiv.org/abs/cond-mat/0609071v2

J. Magn. Magn. Mater. 310, e675-e677 (2007)

Physics

Condensed Matter

Materials Science

2 pages, 1 figure; accepted in JMMM (Proceedings of ICM'06, Kyoto)

Scientific paper

10.1016/j.jmmm.2006.11.028

Ab-initio quantum transport calculations show that short NiO chains suspended in Ni nanocontacts present a very strong spin-polarization of the conductance. The generalized gradient approximation we use here predicts a similiar polarization of the conductance as the one previously computed with non-local exchange, confirming the robustness of the result. Their use as nanoscopic spinvalves is proposed.

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