Journal Article thermal conductivity Research Support, Non-U.S. Gov't 7440-57-5 7782-42-5 DC current cloaks Gold Graphite Review Young's modulus anisotropy black phosphorus cloak a sensors cloaked sensors electron beam technique first-principles calculations full-parameter and omni-directionality graphene heat transfer manipulation interfacial thermal resistance invisibility cloaks metamaterials polymer-based nanocomposites polymers super expanders thermal camouflage thermal cloak thermal metadevices of anisotropic geometry thermal metamaterials thermal signature