Magnetic micropillar arrays, made from magnetic composite materials, can change their shape under a magnetic field. However, conventional micropillar arrays can only retain their shape temporarily when the magnetic field is active. In a recent study, researchers developed novel disulfide-based covalent adaptable networks (DS-CANs), which allow shape fixation through exposure to ultraviolet light at room temperature or upon heating. The DS-CAN-based magnetic micropillar arrays, therefore, support reversible, on-demand, and contactless shape reconfiguration.

Magnetic micropillar arrays consist of tiny, vertical pin-shaped structures, arranged in a grid-like pattern. These micropillars can change their shape to a pre-programmed geometry when … Read More → "Unveil Game-Changing UV-Fueled Shape-Shifting and Shape-Fixing Smart Materials"