2009/06/24 by Jean-Michel Mignot, J.-M. Mignot, Julien Robert +7 · 6 citations
Materials Science · Mathematics · Physics and Astronomy · #Algorithm #Computer science #Magnetic Properties of Alloys #Magnetic and transport properties of perovskites and related materials #Mathematics #Order (exchange) #Programming language #Rare-earth and actinide compounds #Substitution (logic) #cond-mat.str-el
paper · pdf · doi:10.1103/physrevb.79.224426
published in Physical Review B 79(22) (American Physical Society) · 7 pages
openalex publication_date 2009/06/24 · arxiv created 2009/06/26 · openalex created_date 2016/06/24 · arxiv updated 2016/11/25 · openalex updated_date 2026/08/05
Neutron powder-diffraction measurements have been performed on CexNd_1\ensuremath-xB6 (x=0.5, 0.6, 0.7, and 0.8) solid solutions to determine the type of magnetic order occurring in these compounds as a result of the interplay between magnetic dipole exchange and antiferroquadrupolar interactions. In the Ce-rich range, the sequence of two magnetic phases, with an incommensurate order [k=(1/4\ensuremath-\ensuremathδ,1/4\ensuremath-\ensuremathδ,1/2)] forming below TN followed by a lock-in-type transition at lower temperature, is quite similar to that reported earlier for CexPr_1\ensuremath-xB6. For x=0.5, on the other hand, the same antiferromagnetic order as in pure NdB6 first occurs at TN, then coexists with an incommensurate component below the lower transition temperature. These results are in good agreement with previous resistivity measurements and support the idea that Ce and Nd magnetic moments in this system can be relatively decoupled.