Electronically Driven Fragmentation of Silver Nanocrystals Revealed by Ultrafast Electron Crystallography

preprint2013arXivOpen access

Abstract

We report an ultrafast electron diffraction study of silver nanocrystals under surface plasmon resonance excitation, leading to a concerted fragmentation. By examining simultaneously transient structural, thermal, and Coulombic signatures of the prefragmented state, an electronically driven nonthermal fragmentation scenario is proposed.

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