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Nanoamorphous carbon-based photonic crystal infrared emitters

United States Patent

December 13, 2011
View the Complete Patent at the US Patent & Trademark Office
Provided is a tunable radiation emitting structure comprising: a nanoamorphous carbon structure having a plurality of relief features provided in a periodic spatial configuration, wherein the relief features are separated from each other by adjacent recessed features, and wherein the nanoamorphous carbon comprises a total of from 0 to 60 atomic percent of one or more dopants of the dopant group consisting of: transition metals, lanthanoids, electro-conductive carbides, silicides and nitrides. In one embodiment, a dopant is selected from the group consisting of: Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, La and other lanthanides, Hf, Ta, W, Rh, Os, Ir, Pt, Au, and Hg. In one embodiment, a dopant is selected from the group consisting of: electro-conductive carbides (like Mo.sub.2C), silicides (like MoSi.sub.2) and nitrides (like TiN).
Norwood; Robert A. (Tucson, AZ), Skotheim; Terje (Tucson, AZ)
12/ 098,708
April 7, 2008
STATEMENT REGARDING FEDERAL RESEARCH SUPPORT This invention was made with government support under Contract Number DE-FG02-03ER83687 awarded by the Department of Energy. The government has certain rights in the invention.