VO2 (A) : reinvestigation of crystal structure, phase transition and crystal growth mechanisms
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | POPURI, Srinivasa Rao | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | ARTEMENKO, Alla | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | LABRUGÈRE, Christine | |
hal.structure.identifier | National Institute for Research and Development in Electrochemistry and Condensed Matter [NIRDElCM] | |
dc.contributor.author | MICLAU, Marinela | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | VILLESUZANNE, Antoine | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | POLLET, Michaël | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0022-4596 | |
dc.description.abstractEn | Well crystallized VO2 (A) microrods were grown via a single step hydrothermal reaction in the presence of V2O5 and oxalic acid. With the advantage of high crystalline samples, we propose P4/ncc as an appropriate space group at room temperature. From morphological studies, we found that the oriented attachment and layer by layer growth mechanisms are responsible for the formation of VO2 (A) micro rods. The structural and electronic transitions in VO2 (A) are strongly first order in nature, and a marked difference between the structural transition temperatures and electronic transitions temperature was evidenced. The reversible intra- (LTP-A to HTP-A) and irreversible inter- (HTP-A to VO2 (M1)) structural phase transformations were studied by in-situ powder X-ray diffraction. Attempts to increase the size of the VO2 (A) microrods are presented and the possible formation steps for the flower-like morphologies of VO2 (M1) are described. | |
dc.language.iso | en | |
dc.publisher | Elsevier | |
dc.subject.en | Hydrothermal synthesis | |
dc.subject.en | Vanadium dioxide polymorphs | |
dc.subject.en | Crystal growth | |
dc.subject.en | Structural and electronic transitions | |
dc.subject.en | X-ray photoelectron spectroscopy | |
dc.title.en | VO2 (A) : reinvestigation of crystal structure, phase transition and crystal growth mechanisms | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1016/j.jssc.2014.01.037 | |
dc.subject.hal | Chimie/Chimie inorganique | |
dc.subject.hal | Chimie/Cristallographie | |
bordeaux.journal | Journal of Solid State Chemistry | |
bordeaux.page | 79-86 | |
bordeaux.volume | 213 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-03691067 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-03691067v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Solid%20State%20Chemistry&rft.date=2014&rft.volume=213&rft.spage=79-86&rft.epage=79-86&rft.eissn=0022-4596&rft.issn=0022-4596&rft.au=POPURI,%20Srinivasa%20Rao&ARTEMENKO,%20Alla&LABRUG%C3%88RE,%20Christine&MICLAU,%20Marinela&VILLESUZANNE,%20Antoine&rft.genre=article |
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