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Decoupling of the magnetic sublattices at the compensation point in R-Fe compounds

AuthorsBoada, R.; Piquer, Cristina; Laguna-Marco, M. A.; Chaboy, Jesús
Issue DateAug-2010
PublisherAmerican Physical Society
CitationPhysical Review B 82(5): 052407 (2010)
AbstractThe behavior of the R-Fe interaction at the magnetic compensation point of Ho0.5Lu0.5Fe2 and Er0.5Y0.5Fe2 compounds has been studied by means of x-ray magnetic circular dichroism (XMCD). The results point out that at the compensation point, the rare-earth sublattice loses completely the magnetic order whereas the Fe sublattice still presents local magnetic order. In addition, the XMCD data show that close below to the compensation point the system is in an intermediate state in which the magnetization of both magnetic sublattices are parallel to the applied magnetic field, and that the ferrimagnetic coupling is progressively restored again by decreasing the temperature.
Description4 páginas, 4 figuras.-- PACS number(s): 75.50.Bb, 61.05.cj, 71.20.Lp, 78.70.Dm
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.82.052407
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