Buckling-Induced Assembly of Three-Dimensional Tunable Metamaterials

Zhou, S, Xie, M, Lin, S, Feng, X and Li, Q 2018, 'Buckling-Induced Assembly of Three-Dimensional Tunable Metamaterials', Physica Status Solidi - Rapid Research Letters, vol. 12, no. 4, pp. 1-6.


Document type: Journal Article
Collection: Journal Articles

Title Buckling-Induced Assembly of Three-Dimensional Tunable Metamaterials
Author(s) Zhou, S
Xie, M
Lin, S
Feng, X
Li, Q
Year 2018
Journal name Physica Status Solidi - Rapid Research Letters
Volume number 12
Issue number 4
Start page 1
End page 6
Total pages 6
Publisher Wiley - V C H Verlag GmbH & Co. KGaA
Abstract Conventional metamaterials are usually confined to planar settings due to the fabrication challenges at the nanoscale. Here, we explore the shape transformation of metasurfaces into three-dimensional metamaterials to generate some on-demand plasmon modes which would be otherwise unachievable in two dimensions. This method is inspired by the buckling-induced folding of a layer of metal sheet bonded to a stretchable compliant substrate in some specified regions. Two prototypes of three-dimensional metamaterials are obtained, demonstrating the enhancement of quality factors as well as the tunability. We find the occurrence of sharp Fano resonance and the resonance mode with toroidal dipole attributed to the structural asymmetry in depth. This work provides an effective approach to practical fabrication of nanoscale metamaterials in an extra dimension that would enable a wide range of applications in the optical spectrum.
Subject Structural Engineering
Keyword(s) compressive buckling
microfabrication
tunable metamaterials
DOI - identifier 10.1002/pssr.201700420
Copyright notice © 2018 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim
ISSN 1862-6254
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