Ultrafast electron diffraction study of single-crystal (EDO-TTF)2SbF6: 
Counterion effect and dimensionality reduction

Liu, Lai Chung; Jiang, Yifeng; Müller-Werkmeister, Henrike; Lu, Cheng; Moriena, Gustavo; Ishikawa, Manabu; Nakano, Yoshiaki; Yamochi, Hideki; Miller, R. J. Dwayne

doi:10.1016/j.cplett.2017.05.007

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Ultrafast electron diffraction study of single-crystal (EDO-TTF)₂SbF₆: Counterion effect and dimensionality reduction

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/persons/resource/persons136088

Jiang, Yifeng
Department of Chemistry, University of Toronto, Canada;
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

/persons/resource/persons197908

Müller-Werkmeister, Henrike
Department of Chemistry, University of Toronto, Canada;
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

/persons/resource/persons136024

Miller, R. J. Dwayne
Department of Chemistry, University of Toronto, Canada;
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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https://dx.doi.org/10.1016/j.cplett.2017.05.007
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Citation

Liu, L. C., Jiang, Y., Müller-Werkmeister, H., Lu, C., Moriena, G., Ishikawa, M., et al. (2017). Ultrafast electron diffraction study of single-crystal (EDO-TTF)₂SbF₆: Counterion effect and dimensionality reduction. Chemical Physics Letters, 683, 160-165. doi:10.1016/j.cplett.2017.05.007.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-49E0-1

Abstract

Ultrafast electron diffraction is a sensitive tool to directly study molecular dynamics in structural detail. Here, we report the influence of counterion size on the photoinduced insulator-to-metal phase transition in two derivatives of the organic salt (EDO-TTF)₂XF₆. For X = P, three dominant motions are present and the molecules undergo the transition, whereas in the case of X = Sb, only two dominant motions are found and the molecules do not evolve into the metallic state. This reduction in dimensionality is supported by a novel data analysis method involving singular value decomposition of time-resolved electron diffraction data in reciprocal space.