Au nanocrystal reorientation

A single full field of view image (left) shows the high sensitivity and high signal-to-noise in a 40 ms frame. The right image is a single frame from a video that showcases step motion on the surface of a Au nanocrystal under the electron beam. 

Sample: gold (Au) nanoparticles; beam energy: 300 kV; original image size: 4k x 4k; frame rate: 25 fps