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13 March 2024 3D pantographic metamaterials at an extremely small length scale
Gordon Zyla, Emilio Barchesi, Stefanos Mavrikos, Ivan Giorgio, Francesco dell'Isola, Costas Grigoropoulos, Maria Farsari
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Proceedings Volume PC12874, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2024; PC128740G (2024) https://doi.org/10.1117/12.3008564
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
This work aimed to further miniaturize pantographic metamaterials, transferring their exceptional characteristics to extremely small-length scales. To achieve this, pantographic blocks — 3D metamaterials constructed by extending 2D pantographic unit cells into the third dimension — with dimensions on the order of a few microns were fabricated using two-photon polymerization (2PP) [5]. The mechanical properties of these miniaturized structures were analyzed under relatively large deformations and cyclic loading using nanoindentation tests conducted in situ within a field emission scanning electron microscope. Subsequently, the structural failure of the compressed specimens was examined in detail using helium ion microscopy.
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Gordon Zyla, Emilio Barchesi, Stefanos Mavrikos, Ivan Giorgio, Francesco dell'Isola, Costas Grigoropoulos, and Maria Farsari "3D pantographic metamaterials at an extremely small length scale", Proc. SPIE PC12874, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2024, PC128740G (13 March 2024); https://doi.org/10.1117/12.3008564
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KEYWORDS
Metamaterials
Deformation
Manufacturing
Miniaturization
Two photon polymerization
Image analysis
Materials properties
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