Coherent dynamics of photoinduced phase formation in a strongly correlated organic crystal

Yoshitaka Matsubara, Sho Ogihara, Jiro Itatani, Nobuya Maeshima, Kenji Yonemitsu, Tadahiko Ishikawa, Yoichi Okimoto, Shin Ya Koshihara, Takaaki Hiramatsu, Yoshiaki Nakano, Hideki Yamochi, Gunzi Saito, Ken Onda

Research output: Contribution to journalArticle

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Abstract

The photoinduced phase formation in a strongly correlated crystal (EDO-TTF)2PF6 (EDO-TTF: 4,5-ethylenedioxytetrathiafulvalene) is investigated using a 12 fs laser pulse. The formation time is determined as 40 fs with observation of coherence of electron-phonon coupled excited states prior to formation. The temperature-independent dephasing time is determined as ∼22 fs up to 180 K and the frequency of phonon oscillation is ∼38 THz, corresponding to the intramolecular vibrations in EDO-TTF. The phase formation is coherently controlled by relative-phase-controlled two-pulse excitation.

Original languageEnglish
Article number161102
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume89
Issue number16
DOIs
Publication statusPublished - Apr 3 2014

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Excited states
Laser pulses
Crystals
Electrons
crystals
Temperature
pulses
excitation
vibration
oscillations
lasers
electrons
temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Coherent dynamics of photoinduced phase formation in a strongly correlated organic crystal. / Matsubara, Yoshitaka; Ogihara, Sho; Itatani, Jiro; Maeshima, Nobuya; Yonemitsu, Kenji; Ishikawa, Tadahiko; Okimoto, Yoichi; Koshihara, Shin Ya; Hiramatsu, Takaaki; Nakano, Yoshiaki; Yamochi, Hideki; Saito, Gunzi; Onda, Ken.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 89, No. 16, 161102, 03.04.2014.

Research output: Contribution to journalArticle

Matsubara, Y, Ogihara, S, Itatani, J, Maeshima, N, Yonemitsu, K, Ishikawa, T, Okimoto, Y, Koshihara, SY, Hiramatsu, T, Nakano, Y, Yamochi, H, Saito, G & Onda, K 2014, 'Coherent dynamics of photoinduced phase formation in a strongly correlated organic crystal', Physical Review B - Condensed Matter and Materials Physics, vol. 89, no. 16, 161102. https://doi.org/10.1103/PhysRevB.89.161102
Matsubara, Yoshitaka ; Ogihara, Sho ; Itatani, Jiro ; Maeshima, Nobuya ; Yonemitsu, Kenji ; Ishikawa, Tadahiko ; Okimoto, Yoichi ; Koshihara, Shin Ya ; Hiramatsu, Takaaki ; Nakano, Yoshiaki ; Yamochi, Hideki ; Saito, Gunzi ; Onda, Ken. / Coherent dynamics of photoinduced phase formation in a strongly correlated organic crystal. In: Physical Review B - Condensed Matter and Materials Physics. 2014 ; Vol. 89, No. 16.
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AU - Ishikawa, Tadahiko

AU - Okimoto, Yoichi

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