Comparative study on size dependence of melting temperatures of pure metal and alloy nanoparticles
Chunlin ChenOsaka University 1 Research Center for Ultra-High Voltage Electron Microscopy, , 7-1 Mihogaoka, Ibaraki, Osaka 567-0047, JapanJ.-G. LeeFunctional Materials Division, Korea Institute of Materials Science 3 , 531 Changwondaero, Changwon, Gyeongnam 641-831, Republic of KoreaKazuto ArakawaOsaka University 1 Research Center for Ultra-High Voltage Electron Microscopy, , 7-1 Mihogaoka, Ibaraki, Osaka 567-0047, JapanH. MoriOsaka University 1 Research Center for Ultra-High Voltage Electron Microscopy, , 7-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
2011en
ABI
Аннотация
A comparative study on the size dependence of the melting temperatures of pure metal and alloy nanoparticles has been carried out. It was found that the melting temperatures of Bi-Sn, In-Sn, and Pb-Sn alloy nanoparticles decreased more rapidly with decreasing particle size than those of the constituent metal nanoparticles (Bi, In, Pb, Sn). Namely, the size dependence of the melting temperature was stronger for the alloy nanoparticles than that for the constituent metal nanoparticles. Results calculated with a thermodynamic model were in good agreement with the experimental observations.
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