This contribution reports, for what we believe is the first time, on -based thin-film coatings on flexible Al substrates exhibiting a tunable positive emittance-switching =(-)>0. More precisely, a layered stack of a-:// on flexible Al sheets presents minimum and maximum values of emissivity of about 0.18 and 0.57 at 40ºC and 83ºC, respectively, and hence allows an emittance-switching of 0.39 and a relative variation / of ∼217. Such variations fit with the potential applications of such coatings as smart radiation devices in small satellites and spacecraft.
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| http://dx.doi.org/10.1364/JOSAA.395647 | DOI Listing |
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