A microscopic image of one of the bismuth strontium calcium copper oxide samples the scientists studied using a new high-speed imaging technique. Color changes show changes in sample height and curvature to dramatically reveal the layered structure and flatness of the material.
Members of the research team: Peter Johnson and Jonathan Rameau of Brookhaven Lab with Laurenz Rettig, Manuel Ligges, and Isabella Avigo and their time-resolved ARPES experimental setup at the University Duisburg-Essen, Germany.