English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/165913
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Topotactic Fluorine Insertion into the Channels of FeSb2O4-Related Materials

AutorDe Laune, B.P.; Rees, G.J.; Marco, J.F. ; Hah, H.Y.; Johnson, C.E.; Johnson, J.A.; Berry, F.J.; Hanna, J.V.; Greaves, C.
Fecha de publicación2017
EditorAmerican Chemical Society
CitaciónInorganic Chemistry 56: 10078- 10089 (2017)
ResumenThis paper discusses the fluorination characteristics of phases related to FeSbO, by reporting the results of a detailed study of MgFeSbO and CoFeSbO. Reaction with fluorine gas at low temperatures (typically 230 °C) results in topotactic insertion of fluorine into the channels, which are an inherent feature of the structure. Neutron powder diffraction and solid state NMR studies show that the interstitial fluoride ions are bonded to antimony within the channel walls to form Sb-F-Sb bridges. To date, these reactions have been observed only when Fe ions are present within the chains of edge-linked octahedra (FeO in FeSbO) that form the structural channels. Oxidation of Fe to Fe is primarily responsible for balancing the increased negative charge associated with the presence of the fluoride ions within the channels. For the two phases studied, the creation of Fe ions within the chains of octahedra modify the magnetic exchange interactions to change the ground-state magnetic symmetry to C-type magnetic order in contrast to the A-type order observed for the unfluorinated oxide parents.
Identificadoresdoi: 10.1021/acs.inorgchem.7b01613
issn: 1520-510X
Aparece en las colecciones: (IQFR) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
accesoRestringido.pdf15,38 kBAdobe PDFVista previa
Mostrar el registro completo

Artículos relacionados:

NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.