Bistability and its metastable structure are a principal origin of variety in nature. Spin transition and related materials are a platform of such phenomena, and particularly their well-controlled switchable property…

This Special Topic presents the most recent and advanced research on acoustic/elastic metamaterials and metasurfaces and their applications. The theoretical, numerical, and experimental research and analyses on these artificial materials,…

Scientists have long recognized that interfaces play key roles in controlling the functionality of materials. Previous foundational studies characterizing structure and structure-property relationships via a wide range of experimental techniques,…

The quest for novel electroluminescent and photoluminescent materials along with the design of innovative device architectures are key for efficient light generation. In this Special Topic, we seek to discuss…

This Special Topic focuses on the emerging research on the topic of flexoelectricity—a unique and universal electromechanical phenomenon that may have tantalizing implications in a wide range of subjects ranging…

Advanced quantum systems are emerging as powerful drivers of scientific research and technologies enabling a wide range of applications. Color centers with accessible spins in solid-state materials are naturally relevant…