期刊
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
卷 30, 期 4, 页码 -出版社
A V S AMER INST PHYSICS
DOI: 10.1116/1.4731254
关键词
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资金
- Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy
- National Science Foundation [IIP-0956765, IIP-1059286]
Laser delivery probes using multimode fiber optic delivery and bulk focusing optics have been constructed and used for performing materials processing experiments within scanning electron microscope/focused ion beam instruments. Controlling the current driving a 915-nm semiconductor diode laser module enables continuous or pulsed operation down to sub-microsecond durations, and with spot sizes on the order of 50 mu m diameter, achieving irradiances at a sample surface exceeding 1 MW/cm(2). Localized laser heating has been used to demonstrate laser chemical vapor deposition of Pt, surface melting of silicon, enhanced purity, and resistivity via laser annealing of Au deposits formed by electron beam induced deposition, and in situ secondary electron imaging of laser induced dewetting of Au metal films on SiOx. (C) 2012 American Vacuum Society. [http://dx.doi.org/10.1116/1.4731254]
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