Determination of eutectic temperature of Au-Ge isolated two-phase nanoparticles on amorphous carbon substrate
Keywords:
Nanoparticles, eutectic melting, , electron microscopy, size effect.
Abstract
The results of in situ electron microscopy studies of melting of isolated Au-Ge two-phase particles on an amorphous carbon support have been reported. Nanosized Au-Ge particles have been produced by melting and subsequent crystallization of Au/Ge layered films with eutectic mass ratio of the components. It has been shown that the melting temperature of Au-Ge two-phase particle of ≈20 nm in size was 301 ± 15 °С, and for particle of ≈13 nm in size it was 211 ± 15 °С, which are significantly below the eutectic temperature for macroscopic system (361 °С).
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References
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Kryshtal A. P., Bogatyrenko S. I., Sukhov R. V., Minenkov A. A. The kinetics of the formation of a solid solution in an Ag-Pd polycrystalline film system // Applied Physics A. — 2014. — Vol. 116, No. 4. — P. 1891–1896.
Bogatyrenko S. I. Formation of the solid solutions in the Au-Ni film system: In situ TEM study // Technical Physics. — 2014. — Vol. 59, No. 9. — P. 1374–1377.
Gryaznov V. G., Kaprelov A. M., Belov A. Y. Real temperature of nanoparticles in electron microscope beams // Phil. Mag. Lett. — 1991. — Vol. 63(5). — P. 275–279.
Liu L., Risbud S. H. Realtime hotstage highvol tage transmission electron microscopy precipitation of CdS nanocrystals in glasses: Experiment and theoretical analysis // J. Appl. Phys. — 1994. — Vol. 76. — P. 4576–4580.
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Gladkikh N. T., Chizhik S. P., Larin V. I., et. al. // Soviet Phys. Dokl. — 1988. — Vol. 33 (5). — P. 362–364.
Gladkikh N. T., Bogatyrenko S. I., Kryshtal A. P., Anton R. Melting point lowering of thin metal films (Me = In, Sn, Bi, Pb) in Al/Me/ Al film system // Applied Surface Science. — 2003. — Vol. 219. — P. 338–346.
Published
2017-02-24
How to Cite
Крышталь, А. П. (2017). Determination of eutectic temperature of Au-Ge isolated two-phase nanoparticles on amorphous carbon substrate. Journal of Surface Physics and Engineering, 13(3), 292 - 297. Retrieved from https://periodicals.karazin.ua/pse/article/view/8007
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