(a) Schematic of the arc-discharged approach for ... entropy-alloy nanoparticles with different composited elements. (c) TEM-EDS maps of 21-elements nanoparticles, scale bar: 50 nm.

TEM works by transmitting a beam of electrons through an ultra-thin specimen. As the electrons interact with the specimen, they are scattered or transmitted, producing an image that is magnified and ...