6533b83afe1ef96bd12a7818

RESEARCH PRODUCT

3D Metamaterials with Negative Thermal Expansion and Negative Effective Compressibility

Martin WegenerAlexander GerberA. NaberMuamer KadicMuamer KadicFrederik MayerJingyuan Qu

subject

chemistry.chemical_classificationMaterials sciencechemistryNegative thermal expansionCondensed matter physicsThermalCompressibilityPhysics::OpticsMetamaterialPolymerThermal expansionMaskless lithography

description

Materials with negative thermal expansion are desired for controlling thermal stresses, but unusual in nature. With two-component metamaterials it is possible to tune the thermal expansion from positive over zero to negative values, even if both components have positive thermal expansion. Using gray-tone laser lithography we fabricate three-dimensional two-component polymer microlattices, exhibiting zero or negative thermal expansion [1].

https://doi.org/10.1007/978-94-024-1544-5_47