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A DFT-Based Analysis of the NMR Fermi Contact Shifts in Tavorite like LiMPO4*OH and MPO4*H2O (M = Fe, Mn, V)

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCASTETS, Aurore
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARLIER-LARREGARAY, Dany
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorZHANG, Yuesheng
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorBOUCHER, Florent
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMÉNÉTRIER, Michel
dc.date.issued2012
dc.identifier.issn1932-7447
dc.description.abstractEnComplementing our work on the experimental measurements and DFT calculations of the NMR Fermi contact shifts for 7Li, 31P, and 1H in the tavorite LiFePO4*OH and homeotypic FePO4*H2O, LiMnPO4*OH, MnPO4*H2O, and VPO4*H2O phases, we aim to understand the origin of those shifts. Using FP-LAPW calculations that were validated by reproducing correctly the experimental shifts, we analyze the electronic spin-transfer mechanisms from the transition metal M to the probed nucleus in relation with the electronic configuration of the M3+ ions and the nature of the chemical bonds in the compounds, by plotting the spin DOS and 2D or 3D spin density maps in selected energy domains. These mechanisms are analyzed in detail for the two Fe3+ phases, and the differences occurring for the Mn and V phases are discussed further.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enA DFT-Based Analysis of the NMR Fermi Contact Shifts in Tavorite like LiMPO4*OH and MPO4*H2O (M = Fe, Mn, V)
dc.typeArticle de revue
dc.identifier.doi10.1021/jp302549s
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Physical Chemistry C
bordeaux.page18002-18014
bordeaux.volume116
bordeaux.issue34
bordeaux.peerReviewedoui
hal.identifierhal-00731840
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00731840v1
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