Electronically driven fragmentation of silver nanocrystals revealed by ultrafast electron crystallography

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 nontherm...

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Published inPhysical review letters Vol. 104; no. 12; p. 123401
Main Authors Raman, Ramani K, Murdick, Ryan A, Worhatch, Richard J, Murooka, Yoshie, Mahanti, Subhendra D, Han, Tzong-Ru T, Ruan, Chong-Yu
Format Journal Article
LanguageEnglish
Published United States 26.03.2010
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Summary: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.
ISSN:1079-7114
DOI:10.1103/PhysRevLett.104.123401