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Proceedings Paper

Thin Transition-Metal Nitride Films With Surface Roughness For Application As Selective Absorbers In Evacuated Solar Collectors
Author(s): E. Vogelzang; A. A.M.T. van Heereveld; M. Sikkens
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Paper Abstract

Chromium nitride (CrNx) layers have been prepared by d.c. reactive sputtering of chromium in an argon-nitrogen atmosphere. Structural, electrical and optical properties of samples, deposited at various nitrogen pressures, have been determined. Spectrally selective CrNx layers on a polished copper substrate show a moderate solar absorptance (αs≈ = 0.80) and a low thermal emittance(εn 0.04). The absorptance has been improved by depositing CrNx films on a rough copper base-layer. The thermal stability in vacuum and the corrosion resistance of CrNx, samples have been tested.

Paper Details

Date Published: 28 November 1983
PDF: 7 pages
Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); doi: 10.1117/12.935540
Show Author Affiliations
E. Vogelzang, University of Groningen (The Netherlands)
A. A.M.T. van Heereveld, University of Groningen (The Netherlands)
M. Sikkens, University of Groningen (The Netherlands)

Published in SPIE Proceedings Vol. 0401:
Thin Film Technologies I
J. Roland Jacobsson, Editor(s)

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