Journal
NANOSCALE
Volume 4, Issue 22, Pages 6955-6958Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr31614e
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Funding
- National Science Foundation of China [90923037, 61008014, 6078048]
- Jilin University [450091102507]
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Gold nanodots were used as the precursory material to form micronanopatterns under pinpoint scanning by a tightly focused femtosecond laser beam. Different from the widely reported metal ions photoreduction mechanism, here gradient force in an optical trap generated around the laser focus is considered as the major mechanism for particle accumulation (focusing). It has been proven to be an effective method for gold micronanostructure fabrication, and the electronic resistivity of the resulting metals reached as high as 5.5 x 10(-8) Omega m, only twice that of the bulk material (2.4 x 10(-8) Omega m). This merit makes it a novel free interconnection technology for micronanodevice fabrication.
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