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From multilayers to V1-xWxO2±δ films elaborated by magnetron sputtering for decreasing thermochromic transition temperature

hal.structure.identifierCEA Le Ripault [CEA Le Ripault]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVICTOR, Jean-Louis
hal.structure.identifierCEA Le Ripault [CEA Le Ripault]
dc.contributor.authorMARCEL, Corinne
hal.structure.identifierCentre d'expertise et d'essais Paris-Balard [Délégation Générale pour l'Armement (DGA)]
dc.contributor.authorSAUQUES, Laurent
hal.structure.identifierPlateforme Aquitaine de Caractérisation des Matériaux [PLACAMAT]
dc.contributor.authorLABRUGÈRE, Christine
hal.structure.identifierInstitut des Molécules et Matériaux du Mans [IMMM]
dc.contributor.authorAMIARD, Frederic
hal.structure.identifierInstitut des Molécules et Matériaux du Mans [IMMM]
dc.contributor.authorGIBAUD, Alain
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUGIER, Aline
dc.date.issued2021
dc.identifier.issn0925-8388
dc.description.abstractEnW-doped monoclinic vanadium dioxide VO2(M) thin films with various W contents were successfully deposited by magnetron sputtering method. As-deposited films consisted of multilayers composed of VO2/W bilayers. Further annealing at 500 °C under Argon for 1 h led to crystallized and homogeneous V1-xWxO2±δ films. 200 nm films were characterized at room temperature by Rutherford backscattering spectrometry (RBS), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Besides, the films were analyzed by temperature-dependent infrared transmittance in the wavelength region 2–25 μm and the effects of W doping on thermochromic properties of VO2 were studied. The results show that the transition temperature gradually decreases with increasing W content. A transition temperature of 21 °C with a high infrared transmittance modulation (≈68%) was finally achieved with a W-doping level of 2.7 at.% which may indicate a strong potential for applications in optical devices as functional materials.
dc.language.isoen
dc.publisherElsevier
dc.subject.enMagnetron sputtering
dc.subject.enmultilayers
dc.subject.envanadium dioxide
dc.subject.enW doping
dc.subject.enthermochromic behavior
dc.title.enFrom multilayers to V1-xWxO2±δ films elaborated by magnetron sputtering for decreasing thermochromic transition temperature
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jallcom.2020.157658
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Alloys and Compounds
bordeaux.page157658 (7 p.)
bordeaux.volume858
bordeaux.peerReviewedoui
hal.identifierhal-02976017
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02976017v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Alloys%20and%20Compounds&rft.date=2021&rft.volume=858&rft.spage=157658%20(7%20p.)&rft.epage=157658%20(7%20p.)&rft.eissn=0925-8388&rft.issn=0925-8388&rft.au=VICTOR,%20Jean-Louis&MARCEL,%20Corinne&SAUQUES,%20Laurent&LABRUG%C3%88RE,%20Christine&AMIARD,%20Frederic&rft.genre=article


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