Composition dependence of the second-order interfacial magnetic anisotropy for MgO/CoFeB/Ta films
The CoFeB thickness, t dependence of the effective first- and second-order magnetic anisotropy, K1eff and K2, for MgO/(Co1-xFex)80B20/Ta films (x=0.3-1.0) is investigated. As Co40Fe40B20 thickness decreases, K1eff increases and shows a perpendicular magnetic anisotropy for t=1.2 nm. On the other han...
Main Authors: | Takahiro Ogasawara, Mikihiko Oogane, Muftah Al-Mahdawi, Masakiyo Tsunoda, Yasuo Ando |
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Format: | Article |
Language: | English |
Published: |
AIP Publishing LLC
2019-12-01
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Series: | AIP Advances |
Online Access: | http://dx.doi.org/10.1063/1.5129988 |
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