Size dependence of Peltier cooling in ferromagnet/Au nanopillars

We study Peltier cooling in current-perpendicular-to-plane multilayer nanopillars with diameters D varying from 60 to 430 nm and made from Au and various ferromagnets (FMs): Heusler compounds Co2MnSi and Co2FeSi (CFS) and conventional FM metals Fe and Co. We report an enhanced effective Peltier coef...

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Bibliographic Details
Published in:Applied physics express 2015-08, Vol.8 (8), p.83002
Main Authors: Bosu, Subrojati, Sakuraba, Yuya, Kubota, Takahide, Juarez-Acosta, Isaac, Sugiyama, Tomoko, Saito, Kesami, Olivares-Robles, Miguel A., Takahashi, Saburo, Bauer, Gerrit E. W., Takanashi, Koki
Format: Article
Language:English
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Summary:We study Peltier cooling in current-perpendicular-to-plane multilayer nanopillars with diameters D varying from 60 to 430 nm and made from Au and various ferromagnets (FMs): Heusler compounds Co2MnSi and Co2FeSi (CFS) and conventional FM metals Fe and Co. We report an enhanced effective Peltier coefficient ΠCPP in resistance-current curves at small D (
ISSN:1882-0778
1882-0786
DOI:10.7567/APEX.8.083002