Synthetic magnetic rare-earth Dy-Y superlattices

M. Hong, R. M. Fleming, J. Kwo, L. F. Schneemeyer, J. V. Waszczak, J. P. Mannaerts, C. F. Majkrzak, Doon Gibbs, J. Bohr

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The long-range helimagnetic order in synthetic rare-earth Dy-Y superlattices has been studied. The magnetic spiral of Dy maintains its coherence in a (Dy38 Å-Y38.6 Å) 80 superlattice, but not in a (Dy38Å- Y120.4 Å)80 superlattice where the intervening Y layers are 42 atomic planes thick. Furthermore, the spiral periodicity shows a markedly different temperature dependence from that of bulk Dy, including a smaller range of variation and a "lock-in" at low temperature.

Original languageEnglish
Pages (from-to)4052-4054
Number of pages3
JournalJournal of Applied Physics
Issue number8
StatePublished - 1987


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