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Solid-state chemistry shuffling of alkali ions toward new layered oxide materials

hal.structure.identifierEcole Nationale Supérieure de Chimie de Montpellier [ENSCM]
dc.contributor.authorMPANGA, Eunice Mumba
hal.structure.identifierUniversity of Oxford
dc.contributor.authorWERNERT, Romain
hal.structure.identifierALBA Synchrotron light source [Barcelone]
dc.contributor.authorFAUTH, François
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorSUARD, Emmanuelle
hal.structure.identifierAustralian Nuclear Science and Technology Organization [ANSTO]
hal.structure.identifierThe University of Sydney
dc.contributor.authorAVDEEV, Maxim
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM]
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
dc.contributor.authorFRAISSE, Bernard
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSANZ CAMACHO, Paula
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
dc.contributor.authorCARLIER, Dany
hal.structure.identifierLaboratoire de cristallographie et sciences des matériaux [CRISMAT]
dc.contributor.authorLEBEDEV, Oleg
hal.structure.identifierUniversity of Oxford
dc.contributor.authorCASSIDY, Simon
hal.structure.identifierCollège de France - Chaire Chimie du solide et énergie
hal.structure.identifierSorbonne Université [SU]
dc.contributor.authorROUSSE, Gwenaëlle
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
dc.contributor.authorBERTHELOT, Romain
dc.date.issued2024-01-09
dc.identifier.issn0897-4756
dc.description.abstractEnAlkali transition-metal layered compounds usually contain only one type of alkali cation between the edge-shared octahedra layers. Herein, the ternary phase diagram A2Ni2TeO6 (A = Li, Na, K) was explored through solid-state synthesis and new alkali-mixed compositions showing alternation of distinct alkali layers are obtained. Such intergrowth structures are synthesized either by a single high-temperature treatment from raw chemicals or through reaction between layered precursors, the latter involving a solid-state process triggered at moderate temperatures. The in-depth characterization of the multiple cationic orderings is performed by combining powder diffraction techniques (X-rays and neutrons), high-resolution transmission electron microscopy, and solid-state NMR spectroscopy. In addition to the Ni/Te honeycomb ordering, alternation of lithium layers with sodium or potassium layers is observed for compositions (Li/Na)2Ni2TeO6 or (Li/K)2Ni2TeO6, respectively. Crystal structure solving was achieved by stacking building blocks of the respective single alkali layered oxides and unveiled a complex out-of-plane ordering of honeycomb layers. Moreover, a solid-state reaction between Li2Ni2TeO6 and NaKNi2TeO6 enables preparation of the new phase Li∼1Na∼0.5K∼0.5Ni2TeO6, a unique example containing up to three alkali cations and exhibiting a more complex stacking with sodium and potassium cations occupying the same layer. This investigation confirms that the chemical versatility of layered alkali transition-metal compounds could also occur on the alkali layer. Following the research methodology described here, we revisit the crystal chemistry of alkali transition-metal layered materials by exploring alkali ion substitutions previously thought infeasible, in order to find new alkali-mixed compositions.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enSolid-state chemistry shuffling of alkali ions toward new layered oxide materials
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.chemmater.3c02749
dc.subject.halChimie
bordeaux.journalChemistry of Materials
bordeaux.page892-900
bordeaux.volume36
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-04422421
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04422421v1
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