Platinum thickness dependence and annealing effect of the spin-Seebeck voltage in platinum/yttrium iron garnet structures

Autor: Yasushi Kono, Saiga Yuta, Jeong Chun Ryu, Mizunuma Kotaro, Hiroshi Ono, Makoto Kohda, Eiichi Okuno
Rok vydání: 2014
Předmět:
Zdroj: Applied Physics Express. 7:093001
ISSN: 1882-0786
1882-0778
Popis: We investigate the substrate annealing effect of thermoelectric voltage induced by the spin-Seebeck effect in Pt/polycrystalline yttrium iron garnet Y3Fe5O12 (YIG) structures with different Pt thicknesses. The thermoelectric voltage is increased by decreasing the Pt thickness to 1.9 nm as well as by annealing. Annealing at 1073 K for 5 h enhances the thermoelectric voltage up to 7.4 µV/K in structures with 1.9 nm Pt thickness.
Databáze: OpenAIRE