Nano Archive

Nano-holes in silicon wafers using laser-induced surface plasmon polaritons

Molian, Pal and Lin, Zhiqun and Zou, Qingze (2008) Nano-holes in silicon wafers using laser-induced surface plasmon polaritons. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 8 (4). pp. 2163-2166.

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Surface Plasmon Polaritons (SPPs) have been explored for a multitude of applications including sub-wavelength lithography, data storage, microscopy and photonics. In this paper, we report the use of SPPs for nanomachining silicon in massively parallel fashion. A Q-switched Nd:YAG laser beam was impinged on gold-thin film deposited, porous alumina membrane (PAM) that contains periodic 2-D array of thousands of nano-holes. The silicon substrate was placed in close proximity with PAM. The formation of SPPs and their coherent interference at the exit of PAM holes created strong nanoscale electrical fields which in turn produced 50-70 nm diameter holes in silicon.

Item Type:Article
Uncontrolled Keywords:nano-holes; silicon wafers; plasmon
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nanoelectronics
ID Code:1469
Deposited By:Farnush Anwar
Deposited On:15 Dec 2008 10:28
Last Modified:13 Jan 2009 14:28

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