Antiferromagnetic Interlayer Coupling in Ferromagnetic Semiconductor EuS/PbS(001) Superlattices
H. Kepa, J. Kutner-Pielaszek, J. Blinowski, A. Twardowski, C. F. Majkrzak, T. Story, P. Kacman, R. R. Galazka, K. Ha, H. J. M. Swagten, W. J. M. de Jonge, A. Yu. Sipatov, V. Volobuev, T. M. Giebultowicz
Abstract
Antiferromagnetic coupling between ferromagnetic layers has been observed for the first time in all-semiconductor superlattice structure EuS/PbS(001), by neutron scattering and magnetization measurements. Spin-dependent superlattice band structure effects are invoked to explain the possible origin and the strength of the observed coupling.
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