Energy-efficient dynamic 3D metasurfaces via spatiotemporal jamming interleaved assemblies for tactile interfaces

Siqi An, Xiaowen Li, Zengrong Guo, Yi Huang, Yanlin Zhang and Hanqing Jiang ()
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Siqi An: Westlake University
Xiaowen Li: Westlake University
Zengrong Guo: Westlake University
Yi Huang: Westlake University
Yanlin Zhang: Westlake University
Hanqing Jiang: Westlake University

Nature Communications, 2024, vol. 15, issue 1, 1-14

Abstract: Abstract Inspired by the natural shape-morphing abilities of biological organisms, we introduce a strategy for creating energy-efficient dynamic 3D metasurfaces through spatiotemporal jamming of interleaved assemblies. Our approach, diverging from traditional shape-morphing techniques reliant on continuous energy inputs, utilizes strategically jammed, paper-based interleaved assemblies. By rapidly altering their stiffness at various spatial points and temporal phases during the relaxation of the soft substrate through jamming, we enable the formation of refreshable, intricate 3D shapes with a desirable load-bearing capability. This process, which does not require ongoing energy consumption, ensures energy-efficient and lasting shape displays. Our theoretical model, linking buckling deformation to residual pre-strain, underpins the inverse design process for an array of interleaved assemblies, facilitating the creation of diverse 3D configurations. This metasurface holds notable potential for tactile displays, particularly for the visually impaired, heralding possibilities in visual impaired education, haptic feedback, and virtual/augmented reality applications.

Date: 2024
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DOI: 10.1038/s41467-024-51865-x

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