Band gap widening in thermochromic Mg-doped VO2 thin films: Quantitative data based on optical

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dc.contributor.authorLi, S.-Y.
dc.contributor.authorMlyuka, N.R.
dc.contributor.authorPrimetzhofer, Daniel
dc.contributor.authorHallén, Anders
dc.contributor.authorPossnert, Goran
dc.contributor.authorNiklasson, Gunnar A.
dc.contributor.authorGranqvist, C. G.
dc.date.accessioned2016-07-25T08:42:05Z
dc.date.available2016-07-25T08:42:05Z
dc.date.issued2013-10
dc.description.abstracthermochromic Mg-doped VO2 films were deposited by reactive DC magnetron sputtering onto heated glass and carbon substrates. Elemental compositions were inferred from Rutherford backscattering. Optical band gaps were obtained from spectral transmittance and reflectance measurements—from both the film side and the back side of the samples—and ensuing determination of absorption coefficients. The band gap of Mg-doped films was found to increase by 3.6 ± 0.6 eV per unit of atom ratio Mg/(Mg + V) for 0 < Mg/(Mg + V) < 0.21. The presence of ~0.45 at.% Si enhanced the band gap even more.en_US
dc.identifier.citationLi, S.Y., Mlyuka, N.R., Primetzhofer, D., Hallén, A., Possnert, G., Niklasson, G.A. and Granqvist, C.G., 2013. Bandgap widening in thermochromic Mg-doped VO2 thin films: Quantitative data based on optical absorption. Applied physics letters, 103(16), p.161907.en_US
dc.identifier.doi10.1063/1.4826444
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3413
dc.language.isoenen_US
dc.titleBand gap widening in thermochromic Mg-doped VO2 thin films: Quantitative data based on opticalen_US
dc.typeJournal Article, Peer Revieweden_US
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