Effect of capping layer material on thermal tolerance of magnetic tunnel junctions with MgO/CoFeB-based free layer/MgO/capping layers

We investigate the effect of the capping layer on the thermal tolerance of magnetic tunnel junctions (MTJs) with free layer of MgO/CoFeB/spacer layer/CoFeB/MgO/capping layers (CoFeB, Ru, or Ta). We observe the largest perpendicular magnetic anisotropy energy density for the free layer with CoFeB cap...

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Bibliografski detalji
Glavni autori: H. Honjo, T. V. A. Nguyen, M. Yasuhira, M. Niwa, S. Ikeda, H. Sato, T. Endoh
Format: Članak
Jezik:English
Izdano: AIP Publishing LLC 2019-12-01
Serija:AIP Advances
Online pristup:http://dx.doi.org/10.1063/1.5129794