Mechanical Janus Structures by Soft–Hard Material Integration (Adv. Mater. 6/2023)

Superstructure Engineering In article number 2208339, Baoxing Xu and co-workers present a mechanical Janus structure by leveraging a soft–hard material integration and report its unique rotation under mechanical compression stimuli. This rotation behavior offers a facile route for the assembled superstructures with programmable, local organizations, capable of regulating and filtering acoustic wave propagations in applications.