T. Kizuka et N. Tanaka, TIME-RESOLVED ATOMIC OBSERVATION OF FRAGMENTATION PROCESS IN GOLD CLUSTERS BY HIGH-RESOLUTION TRANSMISSION ELECTRON-MICROSCOPY, Surface review and letters, 3(1), 1996, pp. 1187-1190
Fragmentation in gold clusters was for the first time observed by the
time-resolved high-resolution transmission electron microscopy at 0.2-
nm spatial resolution and 1/60 s time resolution. A gold cluster of ab
out 1.5-nm diameter made asymmetrical fragmentation on a magnesium oxi
de (001) surface. It was suggested that the present fragmentation proc
ess was Similar to the Coulomb explosion process.