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- Title
Photoinduced Ionic to Neutral Phase Transition in TTF-CA Studied by Time-Resolved Infrared Vibrational Spectroscopy.
- Authors
Matsubara, Y.; Yoshida, T.; Ishikawa, T.; Okimoto, Y.; Koshihara, S.-Y.; Onda, K.
- Abstract
We studied the photoinduced ionic to neutral phase transition in tetrathiafulvalene-p-chloranil (TTF-CA) using time-resolved infrared vibrational spectroscopy. By monitoring the charge sensitive b1uV10 band of CA after photoexcitation by a 1.55 eV pulse, we found that the photoinduced N-phase has the same charge of the N-phase in thermal equilibrium and there is no charge variation during the photoinduced phase transition. We also found that the photoinduced N-phase grows through at least two steps over 300 ps.
- Subjects
PHASE transitions; TIME-resolved spectroscopy; PHOTONS; ELECTRONIC excitation; THERMODYNAMIC equilibrium
- Publication
Acta Physica Polonica: A, 2012, Vol 121, Issue 2, p340
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.121.340