DOIAbstract
The optical and surface topographical properties of black chrome deposited onto differently treated substrates were investigated to study the effect of substrate surface roughness. Coatings with a solar absorptance αs of 0.94 and a thermal emittance ε of 0.14 at 100 °C were obtained on steel substrates with dull nickel overlayers and anodically etched nickel overlayers. A polarimetric technique was employed to study the angular dependence of the reflectance of the coatings
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