Physicists are learning to carve laser beams into intricate shapes that can grab hold of electrons and push them with a ...

Metal halide perovskites have become well-deserved “star” materials among a variety of semiconductors owing to their excellent optoelectronics properties, such as high photoluminescence (PL) quantum ...

(a) Schematic of the laser direct-writing system. (b) Vertical view of the cantilever of the SNOM tip. (c) Details of the pyramid tip structure and three-dimensional (3D) multiphysics model in the ...