Nano Science and Technology Institute
Nanotech 2007 Vol. 1
Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 5: Nanostructured Materials and Devices

Patterning Wrinkle Architectures in Nanocomposite Glasses with Self-Inscribing Guided Waves

Authors:M.P. Andrews and N. Belanger
Affilation:McGill University, CA
Pages:290 - 293
Keywords:pattern formation, wrinkling, self-inscription, nanocomposite patterns
Abstract:We have been exploring ways in which light induced self inscribed (LISI) waveguides can impose constraints on wrinkle patterns when nanocomposite hybrid sol-gel glass films become unstable to perturbations of a certain wavelength, which reflects some length scale in the microscopic system. Periodicity of wavy structures from nano- to micro- to meso- length scales can be generated reproducibly in the presence of microlithographic features created by inscribing guided waves in the photosensitive nanocomposite. Partial wet-etching of network glass films stimulates buckling of the surface whose wave length, orientation and patterning are controlled over large areas by self-inscribed waveguide relief structures. This presentation discusses methods for patterning wrinkle architectures from nanocomposites and provides a qualitative account of wrinkling over several length scales as nonuniform stresses develop in the films.
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