Sticking Coefficients of Gold Atoms in the Nucleation and Growth Process of Gold Deposits on Polyfluoroethylene-propylene

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概要

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• The sticking coefficients of gold on PFEP (polyfluoroethylene-propylene) were measured by using a microbalance, and were found to be extremely low as compared with those on other materials, such as alkali halide crystals and glasses. When the substrate temperature of PFEP is higher than 100℃, the coefficients never attain unity even at a thickness of several thousand angstroms. From the transmission electron micrographs of the gold deposits and the variation of electrical resistivity with average deposit thickness, it appears that under limited conditions, preferential nucleation occurs on a limited number of active sites on PFEP, and the initial nuclei grow into small particles (islands) in the early stage of deposition. Each island then grows toward the direction of incidence of atoms by receiving the impinging atoms from the surrounding space. The resulting gold islands are mostly isolated until they grow up to several ten angstroms in height.

• 社団法人応用物理学会の論文
• 1971-01-05

著者

• Murakami Yoshio

  Toshiba Research And Development Center Tokyo Shibaura Electric Co. Ltd.

関連論文

• Sticking Coefficients of Gold Atoms in the Nucleation and Growth Process of Gold Deposits on Polyfluoroethylene-propylene
• Sticking Coefficients and Critical Condensation Conditions of Nickel on Polyfluoroethylene-Propylene

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