The authors explored an approach for nanostructuring of surfaces of chalcogenide glasses by direct soft nanoimprint lithography. The authors produced soft nanoimprint molds with microsized and nanosized relief features using polydimethylsiloxane. To enable the direct replication of the mold pattern on the surface of bulk chalcogenide glasses, the authors engineered a thermal imprint tool that prevents the substrate deformation using a physical confinement. The authors optimized the imprint process parameters to achieve an unprecedented full transfer micropattern onto a bulk chalcogenide glass. Furthermore, the authors explored pattern replication of nanosized structures by thermal imprint. This process paves the way for a facile and cost-effective fabrication of nanostructures on chalcogenide glasses and their numerous applications in optical and photonic devices.
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Research Article| May 11 2018
Direct soft imprint of chalcogenide glasses
Dor Yehuda, Eviatar Kassis, Shay Joseph, Mark Schvartzman; Direct soft imprint of chalcogenide glasses. J. Vac. Sci. Technol. B 1 May 2018; 36 (3): 031602. https://doi.org/10.1116/1.5023173
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