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Title: Out-of-plane exchange bias and magnetic anisotropy in MnPd/Co multilayers
Authors: Dung, N.H.
Thuy, N.P.
Tuan, N.A.
Long, N.T.
Phuoc, N.N. 
Keywords: Magnetic thin film
Out-of-plane exchange bias
Out-of-plane magnetic anisotropy
Issue Date: Dec-2008
Citation: Dung, N.H., Thuy, N.P., Tuan, N.A., Long, N.T., Phuoc, N.N. (2008-12). Out-of-plane exchange bias and magnetic anisotropy in MnPd/Co multilayers. Journal of Magnetism and Magnetic Materials 320 (23) : 3334-3340. ScholarBank@NUS Repository.
Abstract: Magnetic and structural properties in [MnPd/Co]10 multilayers deposited onto Si(1 1 1) substrates have been investigated. The dependences of anisotropy and exchange bias on the thicknesses of both MnPd and Co layers have been studied. In most of the samples, the out-of-plane magnetic anisotropy and both large out-of-plane and in-plane exchange biases have been observed at cryogenic temperature below the blocking temperature TB≈240 K. With appropriate MnPd and Co thicknesses, we have obtained samples with a large out-of-plane exchange bias along with a large out-of-plane magnetic anisotropy. The origin of the out-of-plane magnetic anisotropy in the samples has been suggested to be due to the formation of CoPd interfacial alloys which have tensile in-plane strains, while the spin structure of the antiferromagnetic layer at the interface which is believed to be responsible for exchange bias may be the same as that of the bulk material. Also, the present study shows that the interplay between the out-of-plane magnetic anisotropy and exchange bias is evident in our multilayers and plays an important role in the out-of-plane exchange-bias mechanism. © 2008 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
DOI: 10.1016/j.jmmm.2008.07.007
Appears in Collections:Staff Publications

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