Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2009-10-22
Microscopy and Microanalysis 15, 323-337 (2009)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
33 pages, 17 figures (Review article, 2008 conference of ultrafast electron microscopy conference and ultrafast sciences)
Scientific paper
We review the development of ultrafast electron nanocrystallography as a method for investigating structural dynamics for nanoscale materials and interfaces. Its sensitivity and resolution are demonstrated in the studies of surface melting of gold nanocrystals, nonequilibrium transformation of graphite into reversible diamond-like intermediates, and molecular scale charge dynamics, showing a versatility for not only determining the structures, but also the charge and energy redistribution at interfaces. A quantitative scheme for three-dimensional retrieval of atomic structures is demonstrated with few-particle (< 1000) sensitivity, establishing this nanocrystallographic method as a tool for directly visualizing dynamics within isolated nanomaterials with atomic scale spatio-temporal resolution.
Murdick Ryan A.
Murooka Yoshie
Pell Aric
Raman Ramani K.
Ruan Chong-Yu
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