期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 122, 期 4, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-016-9814-3
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资金
- MOST [103-2218-E-006-015, 103-2218-E-009-025-MY2]
The ultrafast melting of copper nanoparticles (NPs) induced by a femtosecond laser pulse with duration of 100 fs and wavelength of 800 nm is investigated theoretically and experimentally. The Cu pattern fabricated from sintering of a Cu NP-dispersed film by the femtosecond laser at a repetition rate of 80 MHz is experimentally studied. A one-dimensional two-temperature model with temperature-dependent material properties, including the extended Drude model for dynamic optical properties and the thermophysical properties, is employed to simulate the particles ultrafast melting and re-solidification process.
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