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Complex long-range magnetic ordering in the Mn-bearing dugganite Pb 3TeMn3P2O14

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1016/j.jssc.2013.05.019
AuteurRechercher : ; Rechercher : ; Rechercher : ; Rechercher : ; Rechercher : ; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada
FormatTexte, Article
SujetAntiferromagnetics; Dugganite; Langasites; Long range magnetic order; Magnetic transitions; Magnetization measurements; Magnetoelectric couplings; Neutron scattering measurements; Antiferromagnetic materials; Neutron scattering; Silicon; Lead
Résumé
Spin liquids, multiferroics, and doubly-chiral helical structures are just some of the exotic magnetic states found in the langasite compounds. A subclass of the langasite group, the Te6+-containing dugganites, has also shown exotic magnetism including magnetoelectric coupling, coexisting complex long-ranged ordered structures, and low-field induced magnetic transitions. Here, we present the first detailed structural study of Pb3TeMn 3P2O14 as well as the first neutron scattering measurements. This material undergoes long-range magnetic ordering, similar to the multiferroic Ba3NbFe3Si2O14, at TN=6.6 K, which is consistent with previous magnetization measurements. However unlike any other langasite or dugganite studied to date, we present evidence of a large, pseudohexagonal incommensurate supercell that alters the nuclear and magnetic structures away from the langasite ideal. © 2013 Elsevier Inc.
Date de publication
Dans
  • Journal of Solid State Chemistry 204 (2013) : 102–107.
Langueanglais
Publications évaluées par des pairsOui
Numéro NPARC21270610
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Identificateur de l’enregistrement0fbe9fcb-d9fa-4718-ae74-d49d587ce237
Enregistrement créé2014-02-17
Enregistrement modifié2020-04-22
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