Abstract
Dependence of magnetic behavior of ultrathin Fe layers on the width of the interfaces was investigated by using dc-magnetron sputtering to grow (Fe(110)/Ag(111)) multilayers (ML) with thin interfaces and (Fe(111)/Cu(111)) multilayer with wide interfaces. Thicknesses of non-magnetic layers in all cases were 25 Å. The Fe/Ag MLs were prepared with thickness of Fe layers t Fe = 8.8 Å and 2.4 Å, while Cu/Fe ML had the largest t Fe = 11.0 Å together with widest interfaces. In-field 57Fe conversion electron Mössbauer spectroscopy (CEMS) down to 50 K was employed to show that Fe layers are not uniform, to characterize interfaces, and to distinguish between static and relaxation behavior. This allowed unambiguous interpretation of T-dependencies of susceptibility and spontaneous magnetisation upon crossover to island structure of the Fe layers.
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© 2003 Springer Science+Business Media New York
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Kuprin, A.P., Cheng, L., Altounian, Z., Ryan, D.H. (2003). Influence of the Interfaces on Magnetic Properties of Fe/Ag and Fe/Cu Multilayers Prepared by Sputtering. In: Gütlich, P., Fitzsimmons, B.W., Rüffer, R., Spiering, H. (eds) Mössbauer Spectroscopy. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0045-1_13
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DOI: https://doi.org/10.1007/978-94-010-0045-1_13
Publisher Name: Springer, Dordrecht
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