In Situ Pyrolysis of 3D Printed Building Blocks for Functional Nanoscale Metamaterials Lightning Skills Posted on July 8, 2023 ← In Situ Transmission Electron Microscopy Observation of Melted Germanium Encapsulated in Multilayer Graphene Enriching Pt3 ensemble with isolated 3-fold hollow site by crystal-phase engineering of Pt3Fe single-nanoparticle for acetylene hydrogenation →