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Ordered nanostructures written directly by laser interference

C Tan1, C S Peng1, J Pakarinen1, M Pessa1, V N Petryakov2, Yu K Verevkin2, J Zhang3, Z Wang3, S M Olaizola4, T Berthou5 and S Tisserand5

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We present a simplified method to employ laser interference lithography for the fabrication of ordered nanostructures. Neither resist, nor an elaborate fabrication process was needed. Four-beam interference patterns generated in this work included periodic arrays of holes in GaAs, covered with SiO2 bubbles, and they were directly written into the sample. The diameters of the smallest holes were less than 30 nm. We propose a model to interpret the results.


PACS

81.16.Nd Nanolithography

81.07.-b Nanoscale materials and structures: fabrication and characterization

42.62.-b Laser applications

Subjects

Optics, quantum optics and lasers

Nanoscale science and low-D systems

Dates

Issue 12 (25 March 2009)

Received 31 July 2008, in final form 5 December 2008

Published 3 March 2009



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