Indication of intrinsic spin Hall effect in 4d and 5d transition metals

Autor:	Morota, M., Niimi, Y., Ohnishi, K., Tanaka, T., Kontani, H., Kimura, T., Otani, Y.
Rok vydání:	2010
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics
Zdroj:	Phys. Rev. B 83, 174405 (2011)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevB.83.174405
Popis:	We have investigated spin Hall effects in 4$d$ and 5$d$ transition metals, Nb, Ta, Mo, Pd and Pt, by incorporating the spin absorption method in the lateral spin valve structure; where large spin current preferably relaxes into the transition metals, exhibiting strong spin-orbit interactions. Thereby nonlocal spin valve measurements enable us to evaluate their spin Hall conductivities. The sign of the spin Hall conductivity changes systematically depending on the number of $d$ electrons. This tendency is in good agreement with the recent theoretical calculation based on the intrinsic spin Hall effect. Comment: 5 pages, 4 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1008.0158 Zobrazit plný text záznamu View this record from Arxiv