Modulated and disordered phases in the system LiCdVO4-LiCd4(VO4)3
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GAUDIN, Etienne | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | BEN YAHIA, Hamdi | |
| hal.structure.identifier | Departamento de Física de la Materia Condensada, Facultad de Ciencia y Tecnología | |
| dc.contributor.author | ZÚÑIGA, Francisco Javier | |
| hal.structure.identifier | Departamento de Física de la Materia Condensada, Facultad de Ciencia y Tecnología | |
| dc.contributor.author | PEREZ-MATO, J. M. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DARRIET, Jacques | |
| dc.date.issued | 2005 | |
| dc.identifier.issn | 0897-4756 | |
| dc.description.abstractEn | A solid solution (1 - x)LiCdVO4 - xLi1/3Cd 1/3□1/3CdVO4 has been observed for 0 ≤ x ≤ 1. From the cell parameters evolution, two domains of the solid solution have been distinguished with a discontinuity at x ≈ 0.6. The first one for 0 ≤ x ≤ 0.6 corresponds to the LiCdVO4 substructure of the Na2CrO4-type. For 0.75 ≤ x ≤ 1 satellite peaks are observed which correspond to a modulated structure. The first end-member LiCdVO4 (x = 0) crystallizes in Cmcm space group with a = 5.911, b = 8.975, and c = 6.513 Å. The structure consists of infinite edge-sharing chains of [CdO6] octahedra linked together by [VO4] tetrahedra and [LiO4] tetrahedra. According to the general formula Li1-2x/3Cdx/3□x/3CdVO4 of the solid solution, when x increases cadmium replaces lithium in the [LiO 4] tetrahedra leading to [(Li/Cd/□)O4] disordered tetrahedra. All the phases in the domain 0.7 ≤ x ≤ 1 are one-dimensionally modulated with wavevector q = γc* and γ values of 0.75, 0.733, and 0.722 for x = 3/4, 6/7, and 9/10, respectively. The superspace group is Xmcm(00γ) where X stands for (1/2, 1/2, 0, 1/2) centering. The main structural result is a strong occupation modulation of lithium and cadmium in the tetrahedral site. | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | Cadmium compounds | |
| dc.subject.en | Crystal structure | |
| dc.subject.en | Crystallization | |
| dc.subject.en | Electrochemistry | |
| dc.subject.en | Manganese | |
| dc.subject.en | Olivine | |
| dc.subject.en | Phosphates | |
| dc.subject.en | Solid solutions | |
| dc.subject.en | X ray crystallography | |
| dc.subject.en | X ray powder diffraction | |
| dc.subject.en | Lithium compounds | |
| dc.title.en | Modulated and disordered phases in the system LiCdVO4-LiCd4(VO4)3 | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/cm050104e | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Chemistry of Materials | |
| bordeaux.page | 2436-2447 | |
| bordeaux.volume | 17 | |
| bordeaux.issue | 9 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00022440 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00022440v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Chemistry%20of%20Materials&rft.date=2005&rft.volume=17&rft.issue=9&rft.spage=2436-2447&rft.epage=2436-2447&rft.eissn=0897-4756&rft.issn=0897-4756&rft.au=GAUDIN,%20Etienne&BEN%20YAHIA,%20Hamdi&Z%C3%9A%C3%91IGA,%20Francisco%20Javier&PEREZ-MATO,%20J.%20M.&DARRIET,%20Jacques&rft.genre=article |
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