Neutron diffraction study of the li-ion battery cathode Li2FeP2O7

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dc.contributor.authorBarpanda, Pen_AU
dc.contributor.authorRousse, Gen_AU
dc.contributor.authorYe, Ten_AU
dc.contributor.authorLing, CDen_AU
dc.contributor.authorMohamed, Zen_AU
dc.contributor.authorKlein, Yen_AU
dc.contributor.authorYamada, Aen_AU
dc.date.accessioned2013-09-19T01:55:29Zen_AU
dc.date.available2013-09-19T01:55:29Zen_AU
dc.date.issued2013-03-18en_AU
dc.date.statistics2013-09-19en_AU
dc.description.abstractWith a combination of magnetic susceptibility measurements and low-temperature neutron diffraction analyses, the magnetic structure of Li2FeP2O7 cathode has been solved. This pyrophosphate Li2FeP2O7 compound stabilizes into a monoclinic framework (space group P2(1)/c),having a pseudolayered structure with the constituent Li/Fe sites distributed into MO6 and MO5 building units. The magnetic susceptibility follows a Curie Weiss behavior above 50 K. Li2FeP2O7 shows a long-range antiferromagnetic ordering at T-N = 9 K, as characterized by the appearance of distinct additional peaks in the neutron diffraction pattern below TN. Its magnetic reflections can be indexed with a propagation vector k = (0,0,0). The magnetic moments inside the FeO6-FeO5 clusters are ferromagnetic, whereas these clusters are antiferromagnetic along the chains. The adjacent chains are in turn ferromagnetically arranged along the a-axis. The magnetic structure of Li2FeP2O7 cathode material is described focusing on their localized spin spin exchange. The magnetic structure and properties have been generalized for Li2FeP2O7 Li2CoP2O7 binary solid solutions. © 2013, American Chemical Society.en_AU
dc.identifier.citationBarpanda, P., Rousse, G., Ye, T., Ling, C. D., Mohamed, Z., Klein, Y., & Yamada, A. (2013). Neutron diffraction study of the li-ion battery cathode Li2FeP2O7. Inorganic Chemistry, 52 (6), 3334-3341. doi:10.1021/ic302816wen_AU
dc.identifier.govdoc5152en_AU
dc.identifier.issn0020-1669en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleInorganic Chemistryen_AU
dc.identifier.pagination3334-3341en_AU
dc.identifier.urihttp://dx.doi.org/10.1021/ic302816wen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4723en_AU
dc.identifier.volume52en_AU
dc.language.isoenen_AU
dc.publisherAmerican Chemical Societyen_AU
dc.subjectLithiumen_AU
dc.subjectIronen_AU
dc.subjectElectrodesen_AU
dc.subjectPyrophosphatesen_AU
dc.subjectCathodesen_AU
dc.subjectNeutronsen_AU
dc.titleNeutron diffraction study of the li-ion battery cathode Li2FeP2O7en_AU
dc.typeJournal Articleen_AU
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