Heat capacity and magnetic properties of fluoride CsFe2+Fe3+F6 with defect pyrochlore structure
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
hal.structure.identifier | Institute of Engineering Physics and Radio Electronics | |
dc.contributor.author | GOREV, Mikhail V. | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
hal.structure.identifier | Institute of Engineering Physics and Radio Electronics | |
dc.contributor.author | FLEROV, Igor N. | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | TRESSAUD, Alain | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
hal.structure.identifier | Astafijev Krasnoyarsk State Pedagogical University | |
dc.contributor.author | BOGDANOV, Evgeny V. | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
hal.structure.identifier | Krasnoyarsk State Agrarian University | |
dc.contributor.author | KARTASHEV, Andrey V. | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
dc.contributor.author | BAYUKOV, Oleg A. | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
hal.structure.identifier | Institute of Engineering Physics and Radio Electronics | |
dc.contributor.author | EREMIN, Evgeny V. | |
hal.structure.identifier | L.V. Kirensky Institute of Physics | |
dc.contributor.author | KRYLOV, Alexander S. | |
dc.date.issued | 2016-05 | |
dc.identifier.issn | 0022-4596 | |
dc.description.abstractEn | Heat capacity, Mössbauer and Raman spectra as well as magnetic properties of fluoride CsFe2F6 with defect pyrochlore structure were studied. In addition to recently found above room temperature three successive structural transformations Pnma-Imma-I41amd-Fd-3m, phase transition of antiferromagnetic nature with the 13.7 K Neel temperature and a broad heat capacity anomaly with a maximum at about 30 K were observed. The room temperature symmetry Pnma is unchanged at least down to 7 K. Simple model of indirect bond used to estimate the exchange interactions and to propose a magnetic structure model. | |
dc.language.iso | en | |
dc.publisher | Elsevier | |
dc.subject.en | Pyrochlore structure | |
dc.subject.en | Phase transition | |
dc.subject.en | Magnetic properties | |
dc.subject.en | Thermal properties | |
dc.title.en | Heat capacity and magnetic properties of fluoride CsFe2+Fe3+F6 with defect pyrochlore structure | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1016/j.jssc.2016.02.045 | |
dc.subject.hal | Chimie/Matériaux | |
bordeaux.journal | Journal of Solid State Chemistry | |
bordeaux.page | 330-335 | |
bordeaux.volume | 237 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01287796 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01287796v1 | |
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