Representative SEM image of the cross section of silica opal on the
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Download scientific diagram | Representative SEM image of the cross section of silica opal on the patterned Si substrate. from publication: Integration of Self-Assembled Three-Dimensional Photonic Crystals onto Structured Silicon Wafers | We report on the fabrication of high-quality opaline photonic crystals from large silica spheres (diameter of 890 nm), self-assembled in hydrophilic trenches of silicon wafers by using a novel technique coined a combination of "lifting and stirring". The achievements reported | Silicon Wafer, Photonic Crystals and Self-Assembly | ResearchGate, the professional network for scientists.
![SEM images of (a) an opal sample consisting of 290 nm diameter silica](https://www.researchgate.net/publication/41670060/figure/fig1/AS:394235779010565@1471004542450/SEM-images-of-a-an-opal-sample-consisting-of-290-nm-diameter-silica-spheres-b-a-PMMA.png)
SEM images of (a) an opal sample consisting of 290 nm diameter silica
![Carbonates in thin section: Forams and sponges - Geological Digressions](https://i0.wp.com/www.geological-digressions.com/wp-content/uploads/2022/01/forams-header-image.jpg?ssl=1)
Carbonates in thin section: Forams and sponges - Geological Digressions
![a) SEM image of crystallized silica spheres on a plain Si substrate.](https://www.researchgate.net/profile/Fredrik-Jonsson-2/publication/6894325/figure/fig1/AS:281155506065416@1444044104383/a-SEM-image-of-crystallized-silica-spheres-on-a-plain-Si-substrate-The-small-black-and_Q320.jpg)
a) SEM image of crystallized silica spheres on a plain Si substrate.
![3D-photonic crystals: Opal structures - ScienceDirect](https://ars.els-cdn.com/content/image/3-s2.0-B9780128180198000065-gr6.jpg)
3D-photonic crystals: Opal structures - ScienceDirect
![Silica–titania hybrids for structurally robust inverse opals with controllable refractive index - Journal of Materials Chemistry C (RSC Publishing) DOI:10.1039/C9TC05103A](https://pubs.rsc.org/image/article/2020/TC/c9tc05103a/c9tc05103a-f1_hi-res.gif)
Silica–titania hybrids for structurally robust inverse opals with controllable refractive index - Journal of Materials Chemistry C (RSC Publishing) DOI:10.1039/C9TC05103A
![Hierarchical Porous Interlocked Polymeric Microcapsules: Sulfonic Acid Functionalization as Acid Catalysts](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep44178/MediaObjects/41598_2017_Article_BFsrep44178_Fig1_HTML.jpg)
Hierarchical Porous Interlocked Polymeric Microcapsules: Sulfonic Acid Functionalization as Acid Catalysts
![Inverse opal photonic crystals: Recent advances in fabrication methods and biological applications - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1773224722002878-gr2.jpg)
Inverse opal photonic crystals: Recent advances in fabrication methods and biological applications - ScienceDirect
![a) Schematic representation of preparation procedures of the inverse](https://www.researchgate.net/publication/328483746/figure/fig4/AS:686029346447361@1540573550397/a-Schematic-representation-of-preparation-procedures-of-the-inverse-opal-structure-the.jpg)
a) Schematic representation of preparation procedures of the inverse
![Co-assembled MoS2–TiO2 Inverse Opal Photocatalysts for Visible Light-Activated Pharmaceutical Photodegradation](https://pubs.acs.org/cms/10.1021/acsomega.3c03881/asset/images/medium/ao3c03881_0001.gif)
Co-assembled MoS2–TiO2 Inverse Opal Photocatalysts for Visible Light-Activated Pharmaceutical Photodegradation
![Cellulose intrafibrillar mineralization of biological silica in a rice plant](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-021-87144-8/MediaObjects/41598_2021_87144_Fig4_HTML.jpg)
Cellulose intrafibrillar mineralization of biological silica in a rice plant
![Artificial opal photonic crystals and inverse opal structures – fundamentals and applications from optics to energy storage - Journal of Materials Chemistry C (RSC Publishing) DOI:10.1039/C5TC01083G](https://pubs.rsc.org/image/article/2015/TC/c5tc01083g/c5tc01083g-f1_hi-res.gif)
Artificial opal photonic crystals and inverse opal structures – fundamentals and applications from optics to energy storage - Journal of Materials Chemistry C (RSC Publishing) DOI:10.1039/C5TC01083G
![Representative FEG-SEM images of NAA-DBRs produced by STPA (Note; CA =](https://www.researchgate.net/publication/323782103/figure/fig4/AS:613998076629001@1523399957912/Representative-FEG-SEM-images-of-NAA-DBRs-produced-by-STPA-Note-CA-constant-current.png)
Representative FEG-SEM images of NAA-DBRs produced by STPA (Note; CA =