Hirotake Itoh

Terahertz enhancement of electronic-ferroelectric polarization traced by time-resolved X-ray and nonlinear optics experiments

H. Itoh

SACLA User's Meeting 2025, Mar 4, 2025 Invited

電子強誘電分極ドメインのテラヘルツ駆動と動的マッピング

伊藤弘毅

電子強誘電体の新機能と新展開, Jan 20, 2025 Invited

高温超伝導体YBa₂Cu₃O_yの準粒子生成ダイナミクス

谷口裕人, 加藤遼, 大橋拓純, 天野辰哉, 川上洋平, 伊藤弘毅, 中村優斗, 岸田英夫, 佐々木孝彦, 西嵜照和, 大串研也, 米満賢治, 岩井伸一郎

第35回光物性研究会, Dec 14, 2024

電子強誘電体LuFe₂O₄における超高速分極変調の SHG イメージング

鶴岡稜平, 進藤尚由己, 天野辰哉, 川上洋平, 伊藤弘毅, 干洪武, 腰原伸也, 藤原孝将, 池田直, 沖本洋一, 岩井伸一郎

第35回光物性研究会, Dec 14, 2024

Terahertz dynamics of electronic-ferroelectric correlations

Hirotake Itoh

Colloquium at department of physics, Tohoku university, Nov 14, 2024 Invited

Dynamics of photoinduced charge transfer type phase transition in donor-acceptor type Fe-based metal-organic framework

Tadahiko Ishikawa, Samiran Banu, Yoichi Okimoto, Shinya Koshihara, Tatsuya Amano, Yohei Kawakami, Hirotake Itoh, Shinichiro Iwai, Akira Takahashi, Wataru Kosaka, Hitoshi Miyasaka

International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2024), Sep 25, 2024 Invited

Ultrafast Suppression of Ferroelectricity Studied by a 6-fs Infrared Pulse in α-(BEDT-TTF)2I3

Y. Kawakami, T. Amano, H. Itoh, K. Yamamoto, Y. Nakamura, H. Kishida, T. Sasaki, K. Yonemitsu, S. Iwai

International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2024), Sep 23, 2024

Excitation photon energy dependent photoinduced dynamics in a donor-acceptor type MOF system, (NPr₄)₂[Fe₂(Cl₂An)₃]

Samiran Banu, Tadahiko Ishikawa, Yoichi Okimoto, Shinya Koshihara, Tatsuya Amano, Yohei Kawakami, Hirotake Itoh, Shinichiro Iwai, Akira Takahashi, Wataru Kosaka, Hitoshi Miyasaka

2024 Autumn Meeting, The Physical Society of Japan, Sep 17, 2024

Ultrafast dynamics of photoinduced disorder in an electronic ferroelectric α-(ET)₂I₃ II

Y. Kawakami, T. Amano, H. Itoh, K. Yamamoto, Y. Nakamura, H. Kishida, T. Sasaki, K. Yonemitsu, S. Iwai

2024 Annual Meeting, The Physical Society of Japan, Sep 17, 2024

Anisotropy of Ferroelectric Polarization and Its Terahertz Modulation in LuFe₂O₄

R. Tsuruoka, N. Shindo, T. Amano, Y. Kawakami, H. Itoh, H. Yu, S. Koshihara, K. Fujiwara, N. Ikeda, Y. Okimoto, S. Iwai

2024 Annual Meeting, The Physical Society of Japan, Sep 17, 2024

Ultrafast quasiparticle dynamics in high-TC superconducting cuprate YBa₂Cu₃O_y captured by NIR 6 fs pulses II

Y. Taniguchi, R. Kato, H. Ohashi, T. Amano, Y. Kawakami, H. Itoh, Y. Nakamura, H. Kishida, T. Sasaki, T. Nishizaki, K. Ohgushi, K. Yonemitsu, S. Iwai

2024 Annual Meeting, The Physical Society of Japan, Sep 17, 2024

Gigantic terahertz response in an electronic ferroelectrics LuFe₂O₄

H. Itoh,R. Minakami,H. Yu,R. Tsuruoka,N. Shindo,Y. Kawakami,S. Koshihara,K. Fujiwara,N. Ikeda,Y. Okimoto,S. Iwai

2024 Annual Meeting, The Physical Society of Japan, Sep 17, 2024

Photoinduced insulator-metal transition and ultrafast structural change in V₂O₃ II

T. Amano, Y. Kawakami, H. Itoh, Y. Nakamura, H. Kishida, K. Yonemitsu, L. Cario, E. Janod, B. Corraze, M. Lorenc, H. Cailleau, S. Iwai

2024 Annual Meeting, The Physical Society of Japan, Sep 16, 2024

Photo-control of multiple phases in donor-acceptor type Fe-based metal-organic framework

Tadahiko Ishikawa, Samiran Banu, Yoichi Okimoto, Shinya Koshihara, Tatsuya Amano, Yohei Kawakami, Hirotake Itoh, Shinichiro Iwai, Akira Takahashi, Wataru Kosaka, Hitoshi Miyasaka

3rd Asian Conference on Molecular Magnetism, Sep 3, 2024 Invited

Photoinduced insulator-metal transition and ultrafast structural change in V₂O₃

T. Amano, Y. Kawakami, H. Itoh, Y. Nakamura, H. Kishida, L. Cario, E. Janod, B. Corraze, M. Lorenc, H. Cailleau, S. Iwai

2024 Spring Meeting, The Physical Society of Japan, Mar 21, 2024

Ultrafast quasiparticle dynamics in high-T_C superconducting cuprate YBa₂Cu₃O_y captured by NIR 6 fs pulses

R. Kato, H. Ohashi, T. Amano, Y. Kawakami, H. Itoh, Y. Nakamura, H. Kishida, T. Sasaki, T. Nishizaki, K. Ohgushi, S. Iwai

2024 Spring Meeting, The Physical Society of Japan, Mar 21, 2024

Infrared Magneto-optical Kerr Effect in orthorhombic κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl

Satoshi Iguchi, Hiroki Kobayashi, Yuka Ikemoto, Tetsuya Furukawa, Hirotake Itoh, Shinichiro Iwai, Taro Moriwaki, Takahiko Sasaki

2024 Spring Meeting, The Physical Society of Japan, Mar 18, 2024

高温超伝導体YBa₂Cu₃O_yの超高速準粒子ダイナミクス

加藤遼, 大橋拓純, 天野辰哉, 川上洋平, 伊藤弘毅, 中村優斗, 岸田英夫, 佐々木孝彦, 西嵜照和, 大串研也, 岩井伸一郎

第34回光物性研究会, Dec 9, 2023

電子強誘電体LuFe₂O₄における分極異方性の超高速制御

水上龍星, 鶴岡稜平, 伊藤弘毅, 川上洋平, 干洪武, 腰原伸也, 沖本洋一, 井上直希, 西田銀一, 池田直, 藤原孝将, 岩井伸一郎

第34回光物性研究会, Dec 9, 2023

New Aspects of Ultrafast Optical Response in Mott Insulator

Tatsuya AMANO, Yohei KAWAKAMI, Hirotake ITOH, Takuya AOYAMA, Yoshinori IMAI, Kenya OHGUSHI, Yusuke WAKABAYASHI, Yuto NAKAMURA, Hideo KISHIDA, Kenji, YONEMITSU, Laurent CARIO, Etienne JANOD, Benoit CORRAZE, Maciej, LORENC,Hervé CAILLEAU, Shinichiro IWAI

33rd Annual Meeting of MRS-J, Nov 16, 2023 Invited

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