Porous shape shifters

There is huge potential in technology for shape-memory materials. They could be used in microelectromechanical systems (MEMS) and other devices as actuators, valves and artificial muscles as well as body implants for tissue engineering and bone regeneration in the wake of injury or disease. Now, shape-shifting, porous materials could be on the horizon through work carried out in Japan. X-ray diffraction reveals how these porous materials change through shape-memory effect. The phenomenon is well known in ceramics and metal alloys, but this is pioneering work in the area of porous crystalline solids.