顔写真

PHOTO

Watanabe Hiroshi
渡邊　浩
Watanabe Hiroshi
渡邊　浩
Graduate School of Frontier Biosciences　Department of Frontier Biosciences, Associate Professor

Research History 5

  1. 2015/10/01 - Present
    Osaka University Graduate School of Frontier Biosciences Department of Frontier Biosciences　Assistant Professor

  2. 2012/11 - 2015/09
    The Institute for Solid State Physics Tokyo university Project Assistant Professor

  3. 2011/10 - 2012/10
    iCeMs Kyoto university Fellowship Researcher

  4. 2010/08 - 2011/09
    Institute of Physics of Rennes Post Doctor

  5. 2010/04 - 2010/08
    CNRS France Post Doctor

Professional Memberships 1

  1. 日本物理学会

Papers 47

  1. Relaxation dynamics of [Re(CO)(2)(bpy){P(OEt)(3)}(2)](PF6) in TEOA solvent measured by time-resolved attenuated total reflection terahertz spectroscopy

    Phuong Ngoc Nguyen, Hiroshi Watanabe, Yusuke Tamaki, Osamu Ishitani, Shin-ichi Kimura

    SCIENTIFIC REPORTS　Vol. 9　2019/08　Research paper (scientific journal)

  2. Observation of long-lived coherent spin precession in orthoferrite ErFeO3 induced by terahertz magnetic fields

    Hiroshi Watanabe, Takayuki Kurihara, Takeo Kato, Keita Yamaguchi, Tohru Suemoto

    APPLIED PHYSICS LETTERS　Vol. 111　No. 9　p. 092401(1)-092401(4)　2017/08　Research paper (scientific journal)

  3. 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　Research paper (scientific journal)

  4. 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　Research paper (scientific journal)

  5. Photo-Induced Nonlinear Band Shift and Valence Transition in SmS

    Yitong Chen, Takuto Nakamura, Hiroshi Watanabe, Takeshi Suzuki, Qianhui Ren, Kecheng Liu, Yigui Zhong, Teruto Kanai, Jiro Itatani, Kozo Okazaki, Hiroyuki S. Suzuki, Shik Shin, Keiichiro Imura, Noriaki K. Sato, Shin-ichi Kimura

    Journal of the Physical Society of Japan　Vol. 94　No. 1　2025/01/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  6. Photoinduced phase transition on black samarium monosulfide

    Hiroshi Watanabe, Yusuke Takeno, Yusuke Negoro, Ryohei Ikeda, Yuria Shibata, Yitong Chen, Takuto Nakamura, Kohei Yamagami, Yasuyuki Hirata, Yujun Zhang, Ryunosuke Takahashi, Hiroki Wadati, Kenji Tamasaku, Keiichiro Imura, Hiroyuki S. Suzuki, Noriaki K. Sato, Shin-ichi Kimura

    Physical Review B　2024/12/19　Research paper (scientific journal)

  7. Light-Field-Driven Non-Ohmic Current Generation by an Intense THz Pulse in a Weyl Semimetal

    Ryohei Ikeda, Hiroshi Watanabe, Moon Ji Heon, Myung-Hwa Jung, Kazuaki Takasan, Shin-ichi Kimura

    Journal of the Physical Society of Japan　2024/05/15　Research paper (scientific journal)

  8. Current-Induced Metallization and Valence Transition in Black SmS

    Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa, Takuto Nakamura, Keiichiro Imura, Hiroyuki S. Suzuki, Noriaki K. Sato

    Journal of the Physical Society of Japan　Vol. 93　No. 1　2024/01/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  9. Observation of Electronic Structure Modification in the Hidden Order Phase of CeCoSi

    Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa, Hiroshi Tanida

    Journal of the Physical Society of Japan　Vol. 92　No. 4　2023/04/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  10. Observation of terahertz-induced dynamical spin canting in orthoferrite magnon by magnetorefractive probing

    Takayuki Kurihara, Motoaki Bamba, Hiroshi Watanabe, Makoto Nakajima, Tohru Suemoto

    Communications Physics　Vol. 6　No. 1　2023/03/20　Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC

  11. Bulk-sensitive spin-resolved resonant electron energy-loss spectroscopy (SR-rEELS): Observation of element- And spin-selective bulk plasmons

    Shin Ichi Kimura, Taishi Kawabata, Hiroki Matsumoto, Yu Ohta, Ayuki Yoshizumi, Yuto Yoshida, Takumi Yamashita, Hiroshi Watanabe, Yoshiyuki Ohtsubo, Naoto Yamamoto, Xiuguang Jin

    Review of Scientific Instruments　Vol. 92　No. 9　2021/09/01　Research paper (scientific journal)

  12. One-dimensionality of the spin-polarized surface conduction and valence bands of quasi-one-dimensional Bi chains on GaSb(110)-( 2×1 )

    Yoshiyuki Ohtsubo, Naoki Tokumasu, Hiroshi Watanabe, Takuto Nakamura, Patrick Le Fèvre, François Bertran, Masaki Imamura, Isamu Yamamoto, Junpei Azuma, Kazutoshi Takahashi, Shin-ichi Kimura

    Physical Review B　Vol. 101　No. 23　2020/06/03　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  13. 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)　2020/03/19　Research paper (international conference proceedings)

    Publisher: Journal of the Physical Society of Japan

  14. 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　Research paper (scientific journal)

  15. Ultrafast electronic relaxation dynamics in a valence fluctuation material Sm0.83Y0.17S

    Ryohei Ikeda, Hiroshi Watanabe, Yusuke Negoro, Yusuke Takeno, Keiichiro Imura, Hiroyuki S. Suzuki, Noriaki K. Sato, Shin-ichi Kimura

    12TH INTERNATIONAL CONFERENCE ON EXCITONIC AND PHOTONIC PROCESSES IN CONDENSED MATTER AND NANO MATERIALS (EXCON 2018)　Vol. 1220　2019/05　Research paper (international conference proceedings)

  16. 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　Research paper (scientific journal)

  17. 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　Research paper (scientific journal)

  18. 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　No. 12　p. 1199-1212　2016/12　Research paper (scientific journal)

  19. Coherent manipulation of laser-induced spin reorientation dynamics in ErFeO<inf>3</inf> with intense THz magnetic nearfields

    T. Kurihara, H. Watanabe, M. Nakajima, T. Suemoto

    International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2016-November　2016/11/28　Research paper (international conference proceedings)

  20. 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　Research paper (scientific journal)

  21. 22aAS-4 Controlling ultrafast photoluminescene dynamics in graphene by tuning the Fermi energy

    Maezawa Shun-ya, Watanabe Hiroshi, Seyller Thomas, Hundhausen Martin, Suemoto Tohru

    Meeting Abstracts of the Physical Society of Japan　Vol. 71　p. 1927-1927　2016

    Publisher: The Physical Society of Japan (JPS)

  22. 21pPSA-62 Observation of the optical isomerization of amino acid by infrared micro-spectroscopic imaging

    Kamei Shun, Hibi Jigen, Yokoyama Hiroko, Watanabe Hiroshi, Ohtsubo Yoshiyuki, Kimura Shin-ichi

    Meeting Abstracts of the Physical Society of Japan　Vol. 71　p. 1620-1620　2016

    Publisher: The Physical Society of Japan (JPS)

  23. Ordering phenomena of high-spin/low-spin states in stepwise spin-crossover materials described by the ANNNI model

    Hiroshi Watanabe, Koichiro Tanaka, Nicolas Brefuel, Herve Cailleau, Jean-Francois Letard, Sylvain Ravy, Pierre Fertey, Masamichi Nishino, Seiji Miyashita, Eric Collet

    PHYSICAL REVIEW B　Vol. 93　No. 1　2016/01　Research paper (scientific journal)

  24. Optically detecting the edge-state of a three-dimensional topological insulator under ambient conditions by ultrafast infrared photoluminescence spectroscopy

    Shun-Ya Maezawa, Hiroshi Watanabe, Masahiro Takeda, Kenta Kuroda, Takashi Someya, Iwao Matsuda, Tohru Suemoto

    SCIENTIFIC REPORTS　Vol. 5　2015/11　Research paper (scientific journal)

  25. Layer number dependence of carrier lifetime in graphenes observed using time-resolved mid-infrared luminescence

    Hiroshi Watanabe, Tomohiro Kawasaki, Takushi Iimori, Fumio Komori, Tohru Suemoto

    CHEMICAL PHYSICS LETTERS　Vol. 637　p. 58-62　2015/09　Research paper (scientific journal)

  26. 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

    Physical Review B - Condensed Matter and Materials Physics　Vol. 92　No. 6　2015/08　Research paper (scientific journal)

  27. 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　Research paper (scientific journal)

  28. 18pPSA-49 Observation of magnetic resonance phenomena in TmFeO_3 by THz time-domain spectroscopy

    Watanabe Hiroshi, Kurihara Takayuki, Suemoto Tohru

    Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1300-1300　2015

    Publisher: The Physical Society of Japan (JPS)

  29. 18pPSA-55 THz nearfield-control of magnetic domains formed in the laser-induced spin reorientation transition in ErFeO_3

    Kurihara T., Watanabe H., Sekine Yudai, Saito Yuumi, Nakajima M., Oto K., Sunemoto T.

    Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1306-1306　2015

    Publisher: The Physical Society of Japan (JPS)

  30. Thickness Dependent Hot-phonon Effects Observed by Femtosecond Mid-infrared Luminescence in Graphene

    Tohru Suemoto, Tomohiro Kawasaki, Hiroshi Watanabe, Takushi Iimori, Fumio Komori

    ULTRAFAST PHENOMENA XIX　Vol. 162　p. 363-366　2015　Research paper (international conference proceedings)

  31. Beating of terahertz pulse induced spin precession in ErFeO<inf>3</inf>

    Keita Yamaguchi, Takayuki Kurihara, Hiroshi Watanabe, Makoto Nakajima, Takeo Kato, Tohru Suemoto

    Springer Proceedings in Physics　Vol. 162　p. 645-648　2015　Research paper (international conference proceedings)

  32. 24aCP-3 Observation of infrared ultrafast photoluminescence in semimetal Bi and Sb

    Takeda M., Maezawa S., Watanabe H., Suemoto T.

    Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1632-1632　2015

    Publisher: The Physical Society of Japan (JPS)

  33. 23pPSA-70 Observation of external magnetic field effects for magnetic resonance in Dy_<0.7>Er_<0.3>FeO_3 by THz-TDS

    Nakamura K., Kurihara T., Yamaguchi K., Watanabe H., Suemoto T.

    Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1614-1614　2015

    Publisher: The Physical Society of Japan (JPS)

  34. 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　Vol. 70　p. 1613-1613　2015

    Publisher: The Physical Society of Japan (JPS)

  35. Interactive magnetic coupling between spin precession and split-ring resonator in the terahertz frequency

    T. Kurihara, K. Nakamura, K. Yamaguchi, Y. Sekine, Y. Saito, M. Nakajima, K. Oto, H. Watanabe, T. Suemoto

    International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　2014/11/13　Research paper (international conference proceedings)

  36. 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. Watanabe, T. Suemoto

    Physical Review B - Condensed Matter and Materials Physics　Vol. 90　No. 14　2014/10　Research paper (scientific journal)

  37. 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　Research paper (scientific journal)

  38. 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　Research paper (scientific journal)

  39. 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　Research paper (scientific journal)

  40. Thickness dependent hot-phonon effects observed by femtosecond mid-infrared luminescence in graphene

    Tohru Suemoto, Tomohiro Kawasaki, Hiroshi Watanabe

    Optics InfoBase Conference Papers　2014　Research paper (international conference proceedings)

    Publisher: Optical Society of America (OSA)

  41. Beating of terahertz pulse induced spin precession in ErFeO<inf>3</inf>

    Keita Yamaguchi, Takayuki Kurihara, Hiroshi Watanabe, Makoto Nakajima, Takeo Kato, Tohru Suemoto

    Optics InfoBase Conference Papers　2014　Research paper (international conference proceedings)

  42. 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 - Condensed Matter and Materials Physics　Vol. 88　No. 15　2013/10　Research paper (scientific journal)

  43. Dielectric probe for scattering-type terahertz scanning near-field optical microscopy

    T. Kurihara, K. Yamaguchi, H. Watanabe, M. Nakajima, T. Suemoto

    Applied Physics Letters　Vol. 103　No. 15　2013/10　Research paper (scientific journal)

  44. 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　Research paper (scientific journal)

  45. 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　Research paper (scientific journal)

  46. 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　Research paper (scientific journal)

  47. 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　Research paper (scientific journal)

Misc. 10

  1. Spin canting in nonlinear terahertz magnon dynamics revealed by magnetorefractive probing in orthoferrite

    Kurihara, Takayuki, Bamba, Motoaki, Watanabe, Hiroshi, Nakajima, Makoto, Suemoto, Tohru

    2022/02/23　Internal/External technical report, pre-print, etc.

    Publisher: arXiv

  2. 29pPSA-65 Observation of infrared ultrafast photoluminescence in semimetal Bi

    Takeda M., Kawasaki T., Watanabe H., Suemoto T.

    Meeting abstracts of the Physical Society of Japan　Vol. 69　No. 1　p. 775-775　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

  3. 29pPSA-9 Dynamics of photoinduced semiconductor-to-metal transition in nanogranular Ti_3O_5

    Asahara A., Watanabe H., Tokoro H., Ohkoshi S., Suemoto T.

    Meeting abstracts of the Physical Society of Japan　Vol. 69　No. 1　p. 762-762　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

  4. 27aCK-2 Observation of magnetic resonance in orthoferrite using THz split-ring resonator

    Kurihara T, Nakamura K., Yamaguchi K., Sekine Y., Saito Y., Nakajima M., Oto K., Watanabe H., Suemoto T.

    Meeting abstracts of the Physical Society of Japan　Vol. 69　No. 1　p. 728-728　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

  5. 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　Vol. 69　No. 1　p. 710-710　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

  6. 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　Vol. 69　No. 1　p. 729-729　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

  7. Observation of THz near-field effect with dielectric scattering probe

    Kurihara T., Yamaguchi K., Watanabe H., Nakajima M., Suemoto T.

    Meeting abstracts of the Physical Society of Japan　Vol. 68　No. 2　p. 694-694　2013/08/26

    Publisher: The Physical Society of Japan (JPS)

  8. 28pPSB-38 Observation of ferromagnet with high spatial resolution using nearfield terahertz microscopy

    Kurihara T., Yamaguchi K., Watanabe H., Nakajima M., Suemoto T.

    Meeting abstracts of the Physical Society of Japan　Vol. 68　No. 1　p. 841-841　2013/03/26

    Publisher: The Physical Society of Japan (JPS)

  9. 18pHC-12 Spin-structure coupling in photo-induced phase transition dynamics on the spin-crossover complex

    Watanabe Hiroshi, Brefuel Nicolas, Collet Eric, Tanaka Koichiro

    Meeting abstracts of the Physical Society of Japan　Vol. 67　No. 2　p. 679-679　2012/08/24

    Publisher: The Physical Society of Japan (JPS)

  10. 20pPSA-45 Terahertz time-domain spectroscopy of the spin-crossover complex

    Minowa Y., Watanabe H., Ichikawa Y., Yada H., Nagai M., MOUSSA Nawel Ould, Bousseksou Azzedine, Tanaka K.

    Meeting Abstracts of the Physical Society of Japan　Vol. 60　No. 0　p. 591-591　2005

    Publisher: The Physical Society of Japan

Presentations 6

  1. Coherent terahertz electric field drive of Weyl semimetal Co2Sn2S2

    Hiroshi Watanabe, Ryohei Ikeda, Myung-Hwa Jung, Shin-ichi Kimura

    LSC2023　2023/04

  2. Carrier-induced insulator-to-metal transition on SmS

    H.Watanabe, S. Tatsukawa, Y. Chen, T. Nakamura, K. Imura, H. S. Suzuki, N. K. Sato, S. Kimura

    WIRMS2022　2022/10

  3. Photo-induced insulator- metal transition on SmS

    H.Watanabe, T. Nakamura, Y. Shibata, K. Yamagami, Y. Hirata, K. Ikeda, Y. Zhang, H. Wadati, K. Imura, H. S. Suzuki, N. K. Sato, S. Kimura

    LSC2022　2022/04

  4. Time resolved attenuated total reflection spectroscopy on photo catalyst [Re(CO)2(bpy){P(OEt)3}2](PF6)

    H. Watanabe, PN. Nguyen, Y. Tamaki, O. Ishitani, S. Kimura

    LSC2020　2020/04

  5. 21pPSA-62 Observation of the optical isomerization of amino acid by infrared micro-spectroscopic imaging

    Kamei Shun, Hibi Jigen, Yokoyama Hiroko, Watanabe Hiroshi, Ohtsubo Yoshiyuki, Kimura Shin-ichi

    Meeting Abstracts of the Physical Society of Japan　2016

  6. Photo-induced spin-state dynamics near the thermal phase transition temperature in Prussian blue analogue

    H. Watanabe, S. Cobo, G. Molnar, A. Bousseksou, K. Tanaka

    PDSTM2008　2008/01