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30 May 2022 Scalable disordered hyperuniform architectures on silica obtained by solid state dewetting
Monica Bollani, Chiara Barri, Mohammed Bouabdellaoui, Luca Fagiani, Zeinab Chehadi, Marco Salvalaglio, Axel Voigt, Alexey Fedorov, David Grosso, Jean-Benoit Claude, Jerome Wenger, Marco Abbarchi
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Proceedings Volume PC12142, Fiber Lasers and Glass Photonics: Materials through Applications III; PC1214212 (2022) https://doi.org/10.1117/12.2620273
Event: SPIE Photonics Europe, 2022, Strasbourg, France
Abstract
We present a novel approach to create spinodal-like structures appropriately modulating the instability of the solid state dewetting: many materials, indeed, featuring anomalous suppression of density fluctuations over large length scales are emerging systems known as disordered hyperuniform. The underlying hidden order renders them appealing for several applications, as light management and topologically protected electronic states. These applications require scalable fabrication, which is hard to achieve with available top-down approaches. These spinodal materials are used by a hybrid top-down/bottom-up approach based on sol-gel dip-coating and nano-imprint lithography for the faithful reproduction of the disordered metasurfaces in metal oxides (SiO2 and TiO2).
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Monica Bollani, Chiara Barri, Mohammed Bouabdellaoui, Luca Fagiani, Zeinab Chehadi, Marco Salvalaglio, Axel Voigt, Alexey Fedorov, David Grosso, Jean-Benoit Claude, Jerome Wenger, and Marco Abbarchi "Scalable disordered hyperuniform architectures on silica obtained by solid state dewetting", Proc. SPIE PC12142, Fiber Lasers and Glass Photonics: Materials through Applications III, PC1214212 (30 May 2022); https://doi.org/10.1117/12.2620273
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KEYWORDS
Dewetting
Silica
Solid state physics
Microelectronics
Silicon
Solid state electronics
Sol-gels
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