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INFOS 2005
Direct self-diffusion measurements in vapor-deposited polycrystalline Au films have been made using 195Au radioactive tracer and an r.f. back-sputtering technique for serial sectioning. A temperature range of 117°-177°C was investigated. It has been demonstrated that self-diffusion in thin Au films at these low temperatures takes place by rapid transport of the tracer atoms along the grain boundaries. The grain boundary self-diffusion parameters are Qb=1.0±0.1 eV and δDb0 = 9 × 10-10 cm3/sec, which compare well with those in bulk polycrystalline Au. © 1974.
J.H. Stathis, R. Bolam, et al.
INFOS 2005
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Journal of Applied Mechanics, Transactions ASME
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