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Phonon driven charge dynamics in polycrystalline acetylsalicylic acid mapped by ultrafast x-ray diffraction

The coupled lattice and charge dynamics induced by phonon excitation in polycrystalline acetylsalicylic acid (aspirin) are mapped by femtosecond x-ray powder diffraction. The hybrid-mode character of the 0.9 ± 0.1 THz methyl rotation in the aspirin molecules is evident from collective charge relocat...

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Detalhes bibliográficos
Publicado no:Struct Dyn
Main Authors: Hauf, Christoph, Hernandez Salvador, Antonio-Andres, Holtz, Marcel, Woerner, Michael, Elsaesser, Thomas
Formato: Artigo
Idioma:Inglês
Publicado em: American Crystallographic Association 2019
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC6404925/
https://ncbi.nlm.nih.gov/pubmed/30868088
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1063/1.5079229
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