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Clark, L., Albino, M., Pimenta, V., Lhoste, J., da Silva, I., Payen, C., Greneche, J. .-M., Maisonneuve, V., Lightfoot, P. & Leblanc, M. (2019) Strong magnetic exchange and frustrated ferrimagnetic order in a weberite-type inorganic-organic hybrid fluoride. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 377 20180224. 
Added by: Richard Baschera (2019-07-15 14:27:14)   Last edited by: Richard Baschera (2019-07-17 09:11:53)
Type de référence: Article
DOI: 10.1098/rsta.2018.0224
Clé BibTeX: Clark2019
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Catégories: INTERNATIONAL, MIOPS
Créateurs: Albino, Clark, Greneche, Leblanc, Lhoste, Lightfoot, Maisonneuve, Payen, Pimenta, da Silva
Collection: Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences
Consultations : 11/217
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
{We combine powder neutron diffraction, magnetometry and Fe-57 Mossbauer spectrometry to determine the nuclear and magnetic structures of a strongly interacting weberite-type inorganic-organic hybrid fluoride, Fe2F5(Htaz). In this structure, Fe2+ and Fe3+ cations form magnetically frustrated hexagonal tungsten bronze layers of corner-sharing octahedra. Our powder neutron diffraction data reveal that, unlike its purely inorganic fluoride weberite counterparts which adopt a centrosymmetric Imma structure, the room-temperature nuclear structure of Fe2F5(Htaz) is best described by a non-centrosymmetric Ima2 model with refined lattice parameters a=9.1467(2) angstrom
  
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