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Relationship between structure and sorption kinetic behaviour for ternary CeMX compounds
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | BOBET, Jean-Louis | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | CHEVALIER, Bernard | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | PASTUREL, Mathieu | |
| dc.date.issued | 2006 | |
| dc.identifier.issn | 0966-9795 | |
| dc.description.abstractEn | The crystal structure and the hydrogenation behaviour of more than 10 ternary compounds based on cerium (i.e. CeMX with M=Mn, Ni, Cu and X=Al, Ga, In, Si, Ge, Sn) is presented. Most of the structures can be described as a stacking of [Ce6] trigonal prisms occupied by a M or a X atom. All these compounds form stable hydrides and the kinetic behaviour can be linked to the H insertion sites and to the structural changes upon hydrogenation. If no structural change is observed during the formation of the hydride and if H atoms occupy [Ce3M] tetrahedral sites, the reaction with hydrogen is fast. But if a structural change occurs during hydrogenation, then, the reaction takes place slowly. Particular behaviour is reported when H atoms occupy (i) [Ce4] tetrahedral sites (slow kinetics without structural change) and (ii) [Ce3Ni2] or [Ce3Si2] bipyramidal sites (high kinetics without a structural change). | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | Rare-earth intermetallics | |
| dc.subject.en | Crystallography | |
| dc.subject.en | Hydrogen storage | |
| dc.title.en | Relationship between structure and sorption kinetic behaviour for ternary CeMX compounds | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.intermet.2005.09.009 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Intermetallics | |
| bordeaux.page | 544-550 | |
| bordeaux.volume | 14 | |
| bordeaux.issue | 5 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00018845 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00018845v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Intermetallics&rft.date=2006&rft.volume=14&rft.issue=5&rft.spage=544-550&rft.epage=544-550&rft.eissn=0966-9795&rft.issn=0966-9795&rft.au=BOBET,%20Jean-Louis&CHEVALIER,%20Bernard&PASTUREL,%20Mathieu&rft.genre=article |
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