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].
CITATION STYLE
Qu, J., Kadic, M., Naber, A., Gerber, A., Mayer, F., & Wegener, M. (2018). 3D metamaterials with negative thermal expansion and negative effective compressibility. In NATO Science for Peace and Security Series B: Physics and Biophysics (p. 431). Springer Verlag. https://doi.org/10.1007/978-94-024-1544-5_47
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