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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209153
|2 doi
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|a pubmed24n1171.xml
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|a eng
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1 |
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|a Kagias, Matias
|e verfasserin
|4 aut
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|a Metasurface-Enabled Holographic Lithography for Impact-Absorbing Nanoarchitected Sheets
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 29.03.2023
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|a Date Revised 29.03.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Nanoarchitected materials represent a class of structural meta-materials that utilze nanoscale features to achieve unconventional material properties such as ultralow density and high energy absorption. A dearth of fabrication methods capable of producing architected materials with sub-micrometer resolution over large areas in a scalable manner exists. A fabrication technique is presented that employs holographic patterns generated by laser exposure of phase metasurface masks in negative-tone photoresists to produce 30-40 µm-thick nanoarchitected sheets with 2.1 × 2.4 cm2 lateral dimensions and ≈500 nm-wide struts organized in layered 3D brick-and-mortar-like patterns to result in ≈50-70% porosity. Nanoindentation arrays over the entire sample area reveal the out-of-plane elastic modulus to vary between 300 MPa and 4 GPa, with irrecoverable post-elastic material deformation commencing via individual nanostrut buckling, densification within layers, shearing along perturbation perimeter, and tensile cracking. Laser induced particle impact tests (LIPIT) indicate specific inelastic energy dissipation of 0.51-2.61 MJ kg-1 , which is comparable to other high impact energy absorbing composites and nanomaterials, such as Kevlar/poly(vinyl butyral) (PVB) composite, polystyrene, and pyrolized carbon nanolattices with 23% relative density. These results demonstrate that holographic lithography offers a promising platform for scalable manufacturing of nanoarchitected materials with impact resistant capabilities
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|a Journal Article
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|a holographic lithography
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|a nanoarchitectures
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|a optical metasurfaces
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|a Lee, Seola
|e verfasserin
|4 aut
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|a Friedman, Andrew C
|e verfasserin
|4 aut
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| 700 |
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|a Zheng, Tianzhe
|e verfasserin
|4 aut
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|a Veysset, David
|e verfasserin
|4 aut
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|a Faraon, Andrei
|e verfasserin
|4 aut
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| 700 |
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|a Greer, Julia R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 13 vom: 17. März, Seite e2209153
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|x 1521-4095
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|g volume:35
|g year:2023
|g number:13
|g day:17
|g month:03
|g pages:e2209153
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|u http://dx.doi.org/10.1002/adma.202209153
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