منابع مشابه
Surface and interface processes during atomic layer deposition of copper on silicon oxide.
The initial surface chemistry and growth mechanisms of the atomic layer deposition (ALD) of metallic copper on SiO(2) surfaces are investigated using an amidinate precursor (copper(I) di-sec-butylacetamidinate, [Cu((s)Bu-amd)](2)) and molecular hydrogen. Using in situ Fourier transform infrared spectroscopy together with calculations based on density functional theory, we show that the initial ...
متن کاملDevelopment of highly faceted reduced graphene oxide-coated copper oxide and copper nanoparticles on a copper foil surface
This work describes the formation of reduced graphene oxide-coated copper oxide and copper nanoparticles (rGO-Cu2ONPs, rGO-CuNPs) on the surface of a copper foil supporting graphene oxide (GO) at annealing temperatures of 200-1000 °C, under an Ar atmosphere. These hybrid nanostructures were developed from bare copper oxide nanoparticles which grew at an annealing temperature of 80 °C under nitr...
متن کاملDispersive charge carrier mobility in a surface oxide layer
The electrode impedance spectrum of the oxide produced on a Zr–1%Nb surface in an aqueous solution at 290 C is analysed as a function of temperature between 20 C and 290 C. The portion of the spectrum, relevant to the oxide, is treated in terms of a parallel CPEkRox equivalent circuit (CPE denoting constant phase element, Rox ohmic resistor). Considering also the effect of temperature CPE is un...
متن کاملSurface composition and texture of titanium polished with colloidal silica suspension and chromic oxide slurry.
CP titanium was polished with a colloidal silica suspension and chromic oxide slurry under low and high pressures. The polished surfaces were characterized by means of EPMA and XPS. Irrespective of polishing pressure, colloidal silica suspension successfully created a mirror-like surface that was clean at EPMA level. However, XPS detected a small amount of silicon on the outermost surface. On t...
متن کاملHydrothermal synthesis of surface-modified copper oxide-doped zinc oxide nanoparticles for degradation of acid black 1: Modeling and optimization by response surface methodology
Dyes are widely used in various industries most of them are not readily biodegradable and are consisted of number of toxic, mutagenic, and carcinogenic compounds. Therefore, it is essential to remove them from effluent before their discharge to the environment. The objective of this investigation was to synthesize copper oxide (CuO) doped zinc oxide (ZnO) nanoparticles under mild hydrothermal c...
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ژورنال
عنوان ژورنال: Nature
سال: 1936
ISSN: 0028-0836,1476-4687
DOI: 10.1038/138031a0