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Ultrafast Laser Processing of Hybrid Micro- and Nano-structures in Silicate Glasses
Published online by Cambridge University Press: 23 June 2011
Abstract
This study describes the fabrication of hybrid micro- and nanostructures of semiconductor nanocrystals arranged in microscopic lines inside of a borosilicate glass doped with CdSxSe1-x. This was performed using a two step process of (1) ultrafast laser modification and (2) heat treatment. The glass was photomodified using focused sub-picosecond infra-red pulses with 1 MHz repetition rate to create linear domains with local compositional variations. Heat treating the sample at temperatures near glass transition preferentially precipitated semiconductor in the modified regions, as evidenced by confocal fluorescence microscopy. The optical properties of the precipitated nanocrystals varied with heat treatment duration.
- Type
- Research Article
- Information
- MRS Online Proceedings Library (OPL) , Volume 1365: Symposium TT – Laser-Material Interactions at Micro/Nanoscales , 2011 , mrss11-1365-tt02-06
- Copyright
- Copyright © Materials Research Society 2011