プロフィール・学生

大瀧 貴史(博士2年)


■研究トピック
old : Organic semiconductors, Nonlinear optics, Ultrafast phenomena
now : Quantum optics


■業績

  • T. Otaki, Y. Yahagi, and H. Matsueda, “Spectral Properties of Composite Excitations in the t-J Model”, J. Phys. Soc. Jpn. 86, 084709 (2017).
  • H. Yada, H. Sekine, T. Miyamoto, T. Terashige, R. Uchida, T. Otaki, F. Maruike, N. Kida, T. Uemura, S. Watanabe, T. Okamoto, J. Takeya, and H. Okamoto, “Evaluating intrinsic mobility from transient terahertz conductivity spectra of microcrystal samples of organic molecular semiconductors”, Appl. Phys. Lett. 115, 143301 (2019).
  • T. Otaki, T. Terashige, J. Tsurumi, T. Miyamoto, N. Kida, S. Watanabe, T. Okamoto, J. Takeya, and H. Okamoto, “Evaluations of nonlocal electron-phonon couplings in tetracene, rubrene and C10-DNBDT-NW based on density functional theory”, Phys. Rev. B 102, 245201 (2020).
  • K. Asada, T. Miyamoto, H. Yamakawa, J. Hirata, N. Takamura, T. Morimoto, K. Suzuki, T. Otaki, N. Kida, T. Nakamura, and H. Okamoto, “Ultrafast control of electronic states by a terahertz electric field pulse in the quasi-one-dimensional organic ferroelectric TMTTF2PF6”, Phys. Rev. B 104, 195148 (2021).
  • T. Morimoto, H. Suzuki, T. Otaki, N. Sono, N. Kida, T. Miyamoto, and H. Okamoto, “Ionic to neutral conversion induced by resonant excitation of molecular vibrations coupled to intermolecular charge transfer”, Phys. Rev. Research 3, L042028 (2021).
  • Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya, and H. Okamoto, “Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model”, Appl. Phys. Lett. 120, 053302 (2022).
  • N. Sono*, T. Otaki*, T. Kitao, T. Yamakawa, D. Sakai, T. Morimoto, T. Miyamoto, and H. Okamoto, “Phonon-dressed states in an organic Mott insulator” (*These authors contributed equally), Commun. Phys. 5, 72 (2022).
  • 宮本辰也、大瀧貴史、貴田徳明、岡本博、『有機半導体におけるキャリアダイナミクスの先端分光計測』、計測と制御、60巻3号p.176-181(2021).

■メールアドレス
otaki.takashi.s2(アットマーク)dc.tohoku.ac.jp


■居室
電子情報システム・応物系1号館 300号室