Observation of a novel ferromagnetic phase of Ho3+in Ho/Lu superlattices
- 27 September 1993
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 5 (39) , L481-L486
- https://doi.org/10.1088/0953-8984/5/39/005
Abstract
The magnetic structures of three Ho/Lu superlattices have been investigated using neutron diffraction. The low-temperature magnetic structure adopted by the Ho3+ moments is found to depend on the number nHo of atomic planes in a single block of Ho. For a sample with nH0 approximately=40 the moments form a basal-plane spiral down to the lowest temperatures investigated, whereas for two samples with nHo3+ moments within a single block align ferromagnetically.Keywords
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