ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Beyond-Classical Ferroelectric Metamaterials: 3D-Printed Planar Lattices With Programmable Electro-Thermo-Mechanical Coupling.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Conventional porous ferroelectric materials often improve voltage-related figures of merit at the expense of piezoelectric charge coefficients. Here, we establish a topology-polarization co-design strategy for planar lattice-based ferroelectric metamaterials, which integrate underlying geometry, deformation mode, and polarization direction to program thermo-electromechanical responses. Beyond asymptotic homogenization, an analytical model is developed to correlate the effective ferroelectric properties with geometric parameters, and subsequently validated through experiments. Four representative planar lattices with distinct nodal connectivities, spanning stretching- and bending-dominated deformation modes, are explored under transverse and longitudinal polarization conditions. The transversely polarized triangular lattice exhibits an enhanced d
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