Nanostructuring of Palladium with Low-Temperature Helium Plasma
AbstractImpingement of high fluxes of helium ions upon metals at elevated temperatures has given rise to the growth of nanostructured layers on the surface of several metals, such as tungsten and molybdenum. These nanostructured layers grow from the bulk material and have greatly increased surface area over that of a not nanostructured surface. They are also superior to deposited nanostructures due to a lack of worries over adhesion and differences in material properties. Several palladium samples of varying thickness were biased and exposed to a helium helicon plasma. The nanostructures were characterized as a function of the thickness of the palladium layer and of temperature. Bubbles of ~100 nm in diameter appear to be integral to the nanostructuring process. Nanostructured palladium is also shown to have better catalytic activity than not nanostructured palladium. View Full-Text
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Fiflis, P.; Christenson, M.; Connolly, N.; Ruzic, D. Nanostructuring of Palladium with Low-Temperature Helium Plasma. Nanomaterials 2015, 5, 2007-2018.
Fiflis P, Christenson M, Connolly N, Ruzic D. Nanostructuring of Palladium with Low-Temperature Helium Plasma. Nanomaterials. 2015; 5(4):2007-2018.Chicago/Turabian Style
Fiflis, P.; Christenson, M.P.; Connolly, N.; Ruzic, D.N. 2015. "Nanostructuring of Palladium with Low-Temperature Helium Plasma." Nanomaterials 5, no. 4: 2007-2018.