Text this: Probing dynamic self-reconstruction on perovskite fluorides toward ultrafast oxygen evolution

            ______               ___              
  ____     /_   _//   ____      / _ \\      ___   
 |    \\    -| ||-   |    \\   | / \ ||    /   || 
 | [] ||    _| ||_   | [] ||   | \_/ ||   | [] || 
 |  __//   /_____//  |  __//    \___//     \__ || 
 |_|`-`    `-----`   |_|`-`     `---`       -|_|| 
 `-`                 `-`                     `-`