The structural and magnetic properties of holmium/scandium superlattices

C. Bryn-Jacobsen, R.A. Cowley, D.F. McMorrow, J.P. Goff, R.C.C. Ward, M.R. Wells

    Research output: Contribution to journalJournal articleResearch

    Abstract

    The properties of Ho/Sc superlattices grown by molecular beam epitaxy (MBE) have been investigated using X-ray and neutron diffraction techniques. Structural studies reveal the novel existence of more than one a lattice parameter. Examining the magnetic properties, it is found that the Ho 4f moments form a basal-plane helix at all temperatures, with the exception of one sample for which there is a low-temperature transition to a ferromagnetic phase. In the helical phase, some samples exhibit a short-range coherence of an overall antiferromagnetic coupling between adjacent Ho blocks.
    Original languageEnglish
    JournalPhysica B: Condensed Matter
    Volume234/236
    Pages (from-to)495-497
    ISSN0921-4526
    DOIs
    Publication statusPublished - 1997

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