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Watanabe Hiroshi

渡邊 浩

Assistant Professor

Research History

  • 2015/10/01 - Present, Osaka University Graduate School of Frontier Biosciences Department of Frontier Biosciences, Assistant Professor
  • 2012/11 - 2015/09, The Institute for Solid State Physics Tokyo university Project Assistant Professor
  • 2011/10 - 2012/10, iCeMs Kyoto university Fellowship Researcher
  • 2010/08 - 2011/09, Institute of Physics of Rennes Post Doctor
  • 2010/04 - 2010/08, CNRS France Post Doctor

Professional Memberships

  • 日本物理学会

Papers

  • Magneto-Optics of the Weyl Semimetal TaAs in the THz and IR Regions, Shin-ichi Kimura,Yuko Yokoyama,Yuki Nakajima,Hiroshi Watanabe,Jörg Sichelschmidt,Vicky Süß,Marcus Schmidt,Claudia Felser, Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019), Journal of the Physical Society of Japan, 2020/03/19
  • Relaxation dynamics of [Re(CO)2(bpy){P(OEt)3}2](PF6) in TEOA solvent measured by time-resolved attenuated total reflection terahertz spectroscopy, Nguyen PN,Watanabe H,Tamaki Y,Ishitani O,Kimura S, Scientific Reports, Vol. 9, 2019/09
  • Optical and photoelectrical studies on anisotropic metal-insulator transition of RuAs, Yuki Nakajima,Zenjiro Mita,Hiroshi Watanabe,Yoshiyuki Ohtsubo,Takahiro Ito,Hisashi Kotegawa,Hitoshi Sugawara,Hideki Tou,Shin-ichi Kimura, Phys. Rev. B. 100, 125151 (2019), 2019/08
  • Ultrafast electronic relaxation dynamics in a valence fluctuation material Sm0.83Y0.17S, R. Ikeda,H. Watanabe,Y. Negoro,Y. Takeno,K. Imura,H. S. Suzuki,N. K. Sato,S, Kimura, Journal of Physics: Conference Series, Vol. 1220, 2019/05
  • Enhanced detection sensitivity of terahertz magnetic nearfield with cryogenically-cooled magnetooptical sampling in terbium-gallium-garnet, Takayuki Kurihara,Hongsong Qiu,Kosaku Kato,Hiroshi Watanabe,Makoto Nakajima, Applied Physics Letters, Vol. 113, No. 11, 2018/09/10
  • Infrared Evaluation of Enantiometric Amount and Application to Racemization at the Interface Between L- and D-Alanine, Kamei Shun,Hibi Jigen,Ohtsubo Yoshiyuki,Watanabe Hiroshi,Kimura Shin-ichi, APPLIED SPECTROSCOPY, Vol. 72, No. 7, p. 1074-1079, 2018/07
  • Application of Terahertz field enhancement effect in metal microstructures, M. Nakajima,T. Kurihara,Y. Tadokoro,B. Kang,K. Takano,K. Yamaguchi,H. Watanabe,K. Oto,T. Suemoto,M. Hangyo, Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 37, p. 1199-1212, 2016/12
  • Dynamics of Photoinduced Phase Transitions in a Prussian Blue Analog Studied by CN Vibrational Spectroscopy, Tohru Suemoto,Ryo Fukaya,Akifumi Asahara,Hiroshi Watanabe,Hiroko Tokoro,Shin-ichi Ohkoshi, Current Inorganic Chemistry, Vol. 6, p. 10-25, 2016/02
  • Ordering phenomena of high-spin/low-spin states in stepwise spin-crossover materials described by the ANNNI model, Hiroshi Watanabe,Koichiro Tanaka,Nicolas Bréfuel,Hervé Cailleau,Jean-François Létard,Sylvain Ravy,Pierre Fertey,Masamichi Nishino,Seiji Miyashita,Eric Collet, Phys.Rev.B, Vol. 93, 2016/01
  • Optically detecting the edge-state of a three-dimensional topological insulator under ambient conditions by ultrafast infrared photoluminescence spectroscopy, S. Maezawa,H. Watanabe,M. Takeda,K. Kuroda,T. Someya,I. Matsuda,T. Suemoto, Scientific Reports, Vol. 5, 2015/11
  • Layer number dependence of carrier lifetime in graphenes observed using time-resolved mid-infrared luminescence, H. Watanabe,T. Kawasaki,T. Iimori,F. Komori,T. Suemoto, Vol. 637, p. 58-62, 2015/09
  • Dynamics of photoinduced change of magnetoanisotropy parameter in orthoferrites probed with terahertz excited coherent spin precession, Keita Yamaguchi,Takayuki Kurihara,Hiroshi Watanabe,Makoto Nakajima,Tohru Suemoto, Phys. Rev. B, Vol. 92, 2015/08
  • Magnetization-free measurements of spin orientations in orthoferrites using terahertz time domain spectroscopy, Tohru Suemoto,Keita Nakamura,Takayuki Kurihara,Hiroshi Watanabe, Appl. Phys. Lett, Vol. 107, 2015/07
  • 23pPSA-69 Observation of nonlinear THz responses in weak ferromagnetic ErFeO_3, Kurihara T.,Nakamura K.,Yamaguchi K.,Watanabe H.,Lu Jian,Nelson Keith,Suemoto T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 70, p. 1613-1613, 2015
  • Enhanced spin-precession dynamics in a spin-metamaterial coupled resonator observed in terahertz time-domain measurements, T. Kurihara,K. Nakamura,K. Yamaguchi,Y. Sekine,Y. Saito,M. Nakajima,K. Oto,H. Watanab,T. Suemoto, Phys. Rev. B, Vol. 90, 2014/10
  • Domain growth and aggregation dynamics in photo-induced phase transition phenomena, H. Watanabe,S. Ishige,A. Asahara,H. Tokoro,S. Ohkoshi,T. Suemoto, Journal of Luminescence, Vol. 152, p. 108-111, 2014/08
  • Ultrafast dynamics of photoinduced semiconductor-to-metal transition in optical switching nano-oxide Ti3O5, A. Asahara,H. Watanabe,H. Tokoro,S. Ohkoshi,T. Suemoto, Phys. Rev. B, Vol. 90, 2014/07
  • Nonlinear photoluminescence properties of trions in hole-doped single-walled carbon nanotubes, N. Akizuki,M. Iwamura,S. Mouri,Y. Miyauchi,T. Kawasaki,H. Watanabe,T. Suemoto,K. Watanabe,K. Asano,K. Matsuda, PHYSICAL REVIEW B, Vol. 89, 2014/05
  • Biexciton state causes photoluminescence fluctuations in CdSe/ZnS core/shell quantum dots at high photoexcitation densities, N. Yoshikawa,H. Hirori,H. Watanabe,T. Aoki,T. Ihara,R. Kusuda,C. Wolpert,T. K. Fujiwara,A. Kusumi,Y. Kanemitsu,K. Tanaka, PHYSICAL REVIEW B, Vol. 88, 2013/10
  • Dielectric probe for scattering-type terahertz scanning near-field optical microscopy, T. Kurihara,K. Yamaguchi,H. Watanabe,M. Nakajima,T. Suemoto, Appl. Phys. Lett., Vol. 103, 2013/10
  • Competing Symmetry Breaking and Spin Crossover in[FeH2L2–Me](ClO4)2, H. Watanabe,N. Bréfuel,E. Collet,L. Toupet,K. Tanaka,J-P Tuchagues, Eur. J. Inorg. Chem., Vol. 5-6, 2012/10
  • Aperiodic spin state ordering of bi-stable molecules and its photoinduced erasing, E. Collet,H. Watanabe,N. Bréfuel,L. Palatinus,L. Roudaut,L. Toupet,K. Tanaka,J-P Tuchagues,P. Fertey,S. Ravy,B. Toudic,H. Cailleau, Physical Review Letters, Vol. 109, 2012/07
  • Dynamical separation of two coupled order parameters in the relaxation process from the photo-induced state, H.Watanabe,S. Mouri,N. Bréfuel,J.P. Tuchagues,E. Collet,K. Tanaka, Europhysics Letters, Vol. 96, 2011/09
  • Nanoscale self-hosting of molecular spin-states in the intermediate phase of a spin-crossover material, N. Brefuel,E. Collet,H. Watanabe,M. Kojima,N. Matsumoto,L. Toupet,K. Tanaka,J-P Tuchagues, Chem. Eur. J., Vol. 16, 2010/11
  • Concerted Spin Crossover and Symmetry Breaking Yield three Thermally- and one Light-Induced Crystallographic Phases of a Novel Molecular Material, N. Bréfuel,H. Watanabe,L. Toupet,J. Come,M. Kojima,N. Matsumoto,E. Collet,K. Tanaka,J.P. Tuchagues, Ang. Chem. Int., Vol. 48, p. 9304-9307, 2009/11
  • Temporal decoupling of the Spin and Crystallographic Phase Transitions in Fe(ptz)6(BF4)2, H. Watanabe,H. Hirori,G. Molnár,A. Bousseksou,K. Tanaka, Phys.Rev.B, Vol. 79, 2009/04

Misc.

  • 28pCL-4 Number of layers dependence of femtosecond light emission in graphene, kawasaki T.,Takeda M.,Watanabe H.,Suemoto T., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 69, No. 1, p. 710-710, 2014/03/05
  • 27aCK-9 Observation by macro current of career increase in semiconductor induced by high power terahertz, Hashimoto M.,Watanabe H.,Suemoto T., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 69, No. 1, p. 729-729, 2014/03/05