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Wyniki wyszukiwania dla: DEWETTING
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Dewetting of silver films detected by XPS method
Dane BadawczeDewetting of silver thin films was detected by XPS method. Thin metallic films were deposited by magnetron sputtering method. Formation of nanostructures , as a result of thermal annealing, was confirmed by SEM microscope. For comparision three samples were measured. Bulg gold, as-deposited silver film with thickness of 3 nm and nanostructures.
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Electrical measurements of the dewetting of metal thin films
Dane BadawczeIn situ observations of dewetting of thin films is very complicated. One of the method, that helps to observe it, could be electrical measurements. For experiments, thin gold, silver and gold-silver nanoalloy films were deposited by magnetron sputtering method. Films were deposited on a Corning glass substrates. Samples were measured by four point method...
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Formation of gold nanostructures detected by XPS method
Dane BadawczeGold nanostructers were manufactured by thermal dewetting of thin film. Film with thickness of 2.8 nm was deposited by magnetron sputtering method. As a result of annealing at 550 deg, nanostructures appear. Bulk gold, as-deposited gold film and metallic nanostructures were measured by XPS method.
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UV-Vis measurements and SEM images of Ag nanostructures
Dane BadawczeUv-vis and SEM of Ag nanostructures. Structures were obtained by dewetting thin films. Various fabrication conditions i.e. temperature, time of the annealing and thickness of the initial layer were subsequently changed.
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Morphology of the gold nanoislands
Dane BadawczeDewetting of the thin metallic films leads to formation of an isolated islands. morphology of nanostructures was measured by SEM microscope. Thin gold films with a thickness of 1.2 nm, 1.5 nm and 3.4 nm were anealed at 550, 600 and 650 Celcius degress.
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Temperature of formation of Au nanostructures
Dane BadawczeNanostructures were obtained via annealing of thin Au films. In order to determine possible nanoislands formation mechanisms, dependence on initial film thickness was examined. For the surface morphology studies, nanograin structure and chemical composition analysis, SEM, HR TEM and EDS measurements were performed, respectively. Morphology studies shown...
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SEM images of dewetted gold films
Dane BadawczeGold nanostructures were prepared on silicon - Si(111) as a substrate. as a result of dewetting process. Thin golds films were deposited using a table-top dc magnetron sputtering coater under pure Ar plasma conditions . The Au target had 99.99% purity, the rate of Au layer deposition was about 0.4 nm·s−1 and the incident power was 32 W. The thickness...