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2004 | 105 | 6 | 607-614
Article title

Interlayer Coupling in EuS-Based Superlattices Deduced from Neutron Scattering Experiments

Content
Title variants
Languages of publication
EN
Abstracts
EN
The ferromagnetic/diamagnetic semiconductor superlattices, EuS/PbS and EuS/YbSe, were studied by neutron reflectivity. In order to determine the strength of the interlayer coupling, the intensity of the first magnetic Bragg peak vs. applied external magnetic field was measured. Additionally, the in-plane anisotropy and the domain structure were studied by polarized neutron reflectivity. The dependence of the intensity of the antiferromagnetic neutron reflectivity peak vs. magnetic field was simulated using a Stoner-Wohlfarth model. To reproduce the observed spectra it was necessary to take into account the presence of fluctuations of the nonmagnetic layers thickness, by assuming a Gaussian spread of the interlayer coupling constant $J$. For both EuS/PbS and EuS/YbSe superlattices, the best fit was obtained for the directions of the in-plane easy axes, which agree with those determined by polarized neutron reflectivity.
Keywords
EN
Year
Volume
105
Issue
6
Pages
607-614
Physical description
Dates
published
2004-06
received
2004-05-28
References
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  • 8. J.A. Borchers, P.M. Gehring, R.W. Erwin, J.F. Ankner, C.F. Majkrzak, T.L. Hylton, K.R. Coffey, M.A. Parker, J.K. Howard, Phys. Rev. B 54, 9870 (1996)
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv105n612kz
Identifiers
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