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Photoactivity enhancement of WS2 sputtered thin films by use of nickel

hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorLIGNIER, O.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorCOUTURIER, G.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorTEDD, J.
hal.structure.identifierInstitut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux [IPREM]
dc.contributor.authorGONBEAU, Danielle
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorSALARDENNE, J.
dc.date.issued1997
dc.identifier.issn0040-6090
dc.description.abstractEnPhotoactive thin films of WS2 have been prepared by radio frequency magnetron sputtering. Physico-chemical properties of the films are mainly investigated by Rutherford backscattering and X-ray diffraction. Optical and transport properties are also studied. Films sputtered at a high substrate temperature are made of small bidimensional grains (2H–WS2) surrounded by amorphous boundaries. The photoactivity of these films is weak because of the electron trapping at boundaries. Films sputtered at a low substrate temperature are amorphous and then annealed to produce bidimensional films. It is shown that annealed Ni-coated films give highly textured samples. A nickel–sulphur phase is assumed to act as a surfactant. The strong photoactivity enhancement of these films is attributed to an increase in the grain size.
dc.language.isoen
dc.publisherElsevier
dc.subject.enSputtering nickel
dc.subject.enRutherford backscattering spectroscopy
dc.subject.enX-ray diffraction
dc.title.enPhotoactivity enhancement of WS2 sputtered thin films by use of nickel
dc.typeArticle de revue
dc.identifier.doi10.1016/S0040-6090(96)09319-4
dc.subject.halPhysique [physics]
bordeaux.journalThin Solid Films
bordeaux.page45-52
bordeaux.volume299
bordeaux.issue1-2
bordeaux.peerReviewedoui
hal.identifierhal-01550141
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01550141v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Thin%20Solid%20Films&rft.date=1997&rft.volume=299&rft.issue=1-2&rft.spage=45-52&rft.epage=45-52&rft.eissn=0040-6090&rft.issn=0040-6090&rft.au=LIGNIER,%20O.&COUTURIER,%20G.&TEDD,%20J.&GONBEAU,%20Danielle&SALARDENNE,%20J.&rft.genre=article


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