Binary magnetic structures in HoEr

B.K. Howard, J. Bohr

    Research output: Contribution to journalJournal articleResearch


    The magnetic structure of a single crystal of the rare earth random alloy Ho50% Er50% has been investigated by elastic neutron diffraction measurements in the temperature range 120-10 K. Three distinct magnetic phases are identified below the Neel temperature of 104 K. The high-temperature phase observed between 104 K and 47.5 K is a binary magnetic structure where the holmium and erbium moments belong to different modulated c-axis spirals. The intermediate-temperature phase between 47.5 K and 35 K is a simple basal plane spiral. Below 35 K, the measurements suggest a ferrimagnetic structure in which the holmium and erbium moments are indistinguishable and form a conical sprial with a half-cone angle of 20-degrees.
    Original languageEnglish
    JournalPhysica Scripta. Topical Issues
    Pages (from-to)96-99
    Publication statusPublished - 1991


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