Journal Article acoustic metamaterials 15FIX9V2JP D1JT611TNE Gold Compounds M13 bacteriophage Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Titanium absorber acoustic switches architected materials bio-template cavity modes deformation double negative gain halide perovskite layer-by-layer assembly localized surface plasmon resonance magnetoactive materials matter‐loadable microcavity surfaces multifunctional reentrant surfaces multistep roll‐to‐roll printing nanoporous network negative index photodetectors photonic crystal single-crystalline thin films solar