Basic Information

Faculty

• 総合人間学部

Academic Degree

• 修士（理学）(東京大学)
• 博士（理学）(東京大学)

Research History

• From Apr. 2025, To Present

  Okayama University, The Research Institute for Interdisciplinary Science, 准教授
• From Apr. 2016, To Mar. 2025

  Kyoto University, Graduate School of Human and Environmental Studies, Assistant Professor
• From Apr. 2013, To Mar. 2016

  Japan Society for the Promotion of Science, 特別研究員 DC1

ID,URL

• J-Global ID

  201601020824907603

researchmap URL

• https://researchmap.jp/7000015384

Research

Research Interests

• Metal–insulator transition
• Transition metal compounds
• Photoemission spectroscopy
• Strongly correlated electron system

Research Areas

• Natural sciences, Magnetism, superconductivity, and strongly correlated systems

Papers

• Observation of Electronic Structure and Extraction of Anharmonic Phonon Mode on Cage Compound Using Focused Incident Light

  Daiki Ootsuki

  Vacuum and Surface Science, 10 May 2025, Peer-reviewed, Invited, Lead author, Corresponding author

  
• Electronic Structure of BaIr₂Ge₇ Studied by Angle-resolve Photoemission Spectroscopy

  Ishida T.; Ootsuki D.; Takasuka Y.; Hishikawa A.; Kitamura M.; Horiba K.; Kumigashira H.; Ishida S.; Iyo A.; Eisaki H.; Kawashima K.; Yanagi Y.; Yoshida T.

  Meeting Abstracts of the Physical Society of Japan, 2019

  
• Revisiting the chemical potential shift in La2−xSrxCuO4 by means of hard and soft x-ray photoemission spectroscopy

  Minato Nagamoto; Daiki Ootsuki; Tatsuhiro Ishida; Naoya Tsutsumi; Yujeong Lee; Atsushi Fujimori; Akira Yasui; Hiroshi Kumigashira; Seiki Komiya; Yoichi Ando; Teppei Yoshida

  Physical Review B, 26 Sep. 2024, Peer-reviewed, Corresponding author

  
• Anomalous Carrier Enhancement with Lightly Mn Doping in Indium–Tin Oxide Thin Films Studied by Hard X-ray Photoemission Spectroscopy

  Naoya Tsutsumi; Daiki Ootsuki; Tatsuhiro Ishida; Teppei Yoshida; Akira Yasui; Saiki Kitagawa; Toshihiro Nakamura

  Journal of the Physical Society of Japan, 06 Sep. 2024, Peer-reviewed, Corresponding author

  
• Tiny Fermi surface with an extremely light mass of ternary chalcopyrite CdSnAs2 revealed by angle-resolved photoemission spectroscopy

  Daiki Ootsuki; Hiroshi Takatsu; Kohei Funada; Tatsuhiro Ishida; Masashi Arita; Shinichiro Ideta; Kiyohisa Tanaka; Hiroshi Kageyama; Teppei Yoshida

  Physical Review Materials, 25 Apr. 2024, Peer-reviewed, Lead author, Corresponding author

  
• Allotropic transition of Dirac semimetal α-Sn to superconductor β-Sn induced by focused-ion-beam irradiation

  Kohdai Inagaki; Keita Ishihara; Tomoki Hotta; Yuichi Seki; Takahito Takeda; Tatsuhiro Ishida; Daiki Ootsuki; Ikuto Kawasaki; Shin-Ichi Fujimori; Masaaki Tanaka; Le Duc Anh; Masaki Kobayashi

  Applied Physics Letters, 08 Jan. 2024, Peer-reviewed

  
• Effect of Mn substitution on the electronic structure for Mn-doped indium-tin oxide films studied by soft and hard x-ray photoemission spectroscopy

  Daiki Ootsuki; Tatsuhiro Ishida; Naoya Tsutsumi; Masaki Kobayashi; Kohdai Inagaki; Teppei Yoshida; Yukiharu Takeda; Shin-ichi Fujimori; Akira Yasui; Saiki Kitagawa; Toshihiro Nakamura

  Physical Review Materials, 18 Dec. 2023, Peer-reviewed, Lead author, Corresponding author

  
• 28pCE-2 Electronic structure and valence instability of MnO_2

  Yokoyama Y.; Oiwake M.; Outsuki D.; Mizokawa T.; Wadachi H.; Okabayashi J.; Yamaguchi A.; Inuzuka R.; Hashimoto K.; Nakamura R.

  Meeting Abstracts of the Physical Society of Japan, 2014

  
• 26pEA-3 MnO_2のX線光電子分光とX線吸収分光(Mn酸化物,領域8(強相関系分野:高温超伝導,強相関f電子系など))

  横山 優一; 追分 美代子; 大槻 太毅; 溝川 貴司; 和達 大樹; 岡林 潤; 山口 晃; 犬塚 理子; 橋本 和仁; 中村 龍平

  日本物理学会講演概要集, 2013

  
• Electronic structure and anharmonic phonon mode in BaIr2Ge7 with two-dimensional Ba-Ge networks studied by photoemission spectroscopy

  Tatsuhiro Ishida; Daiki Ootsuki; Shigeyuki Ishida; Miho Kitamura; Koji Horiba; Yasumasa Takagi; Akira Yasui; Eiji Ikenaga; Kenji Kawashima; Yousuke Yanagi; Akira Iyo; Hiroshi Eisaki; Teppei Yoshida

  Physical Review B, 12 Jan. 2023, Peer-reviewed, Corresponding author

  
• Metallic Surface State in the Bulk Insulating Phase of Ca2−xSrxRuO4 (x = 0.06) Studied by Photoemission Spectroscopy

  Daiki Ootsuki; Ayuko Hishikawa; Tatsuhiro Ishida; Daisuke Shibata; Yukie Takasuka; Miho Kitamura; Koji Horiba; Yasumasa Takagi; Akira Yasui; Chanchal Sow; Shingo Yonezawa; Yoshiteru Maeno; Teppei Yoshida

  Journal of the Physical Society of Japan, 15 Nov. 2022, Peer-reviewed, Lead author, Corresponding author

  
• Angle-Resolved Photoemission Study on Multi-Band Electronic Structure of IrTe2

  D. Ootsuki; S. Pyon; K. Kudo; M. Nohara; M. Horio; T. Yoshida; A. Fujimori; M. Arita; H. Anzai; H. Namatame; M. Taniguchi; N. L. Saini; T. Mizokawa

  Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013), 2014, Peer-reviewed

  
• Pressure Induced Spectral Redistribution due to Te2 Dimer Breaking in AuTe2

  Daiki Ootsuki; Hidekazu Okamura; Shogo Mitsumoto; Yuka Ikemoto; Taro Moriwaki; Masashi Arita; Teppei Yoshida; Kazutaka Kudo; Hiroyuki Ishii; Minoru Nohara; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Nov. 2021, Peer-reviewed, Lead author, Corresponding author

  
• Thickness-induced metal to insulator transition in Ru nanosheets probed by photoemission spectroscopy: Effects of disorder and Coulomb interaction

  Daiki Ootsuki; Kenjiro Kodera; Daiya Shimonaka; Masashi Arita; Hirofumi Namatame; Masaki Taniguchi; Makoto Minohara; Koji Horiba; Hiroshi Kumigashira; Eiji Ikenaga; Akira Yasui; Yoshiharu Uchimoto; Satoshi Toyoda; Masahito Morita; Katsutoshi Fukuda; Teppei Yoshida

  Scientific Reports, 30 Jan. 2020, Peer-reviewed, Lead author, Corresponding author

  
• Interplay between electronic correlation and atomic disorder in a low carrier density 4d transition-metal oxide

  T. Yasuda; Y. Kondo; T. Kajita; K. Murota; D. Ootsuki; Y. Takagi; A. Yasui; N. L. Saini; T. Katsufuji; T. Mizokawa

  Physical Review B, 30 Nov. 2020, Peer-reviewed

  
• Charge correlation in V2OPO4 probed by hard x-ray photoemission spectroscopy

  Kota Murota; Elise Pachoud; J. Paul Attfield; Robert Glaum; Tatsunori Yasuda; Daiki Ootsuki; Yasumasa Takagi; Akira Yasui; Daniel I. Khomskii; Takashi Mizokawa

  Physical Review B, 24 Jun. 2020, Peer-reviewed

  
• Observation of metal to nonmagnetic insulator transition in polycrystalline RuP by photoemission spectroscopy

  Daiki Ootsuki; Kei Sawada; Hiroki Goto; Daigorou Hirai; Daisuke Shibata; Masato Kawamoto; Akira Yasui; Eiji Ikenaga; Masashi Arita; Hirofumi Namatame; Masaki Taniguchi; Tatsuya Toriyama; Takehisa Konishi; Yukinori Ohta; Naurang L. Saini; Teppei Yoshida; Takashi Mizokawa; Hidenori Takagi

  Physical Review B, 14 Apr. 2020, Peer-reviewed, Lead author, Corresponding author

  
• Photodeposition Conditions of Silver Cocatalyst on Titanium Oxide Photocatalyst Directing Product Selectivity in Photocatalytic Reduction of Carbon Dioxide with Water

  Ahmed Hammad; Akihiko Anzai; Xing Zhu; Akira Yamamoto; Daiki Ootsuki; Teppei Yoshida; Ahmed EL-Shazly; Marwa Elkady; Hisao Yoshida

  Catalysis Letters, 22 Oct. 2019, Peer-reviewed

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• Interplay between spin-orbit interaction and stripe-type charge-orbital order of IrTe2

  Daiki Ootsuki; Hiroyuki Ishii; Kazutaka Kudo; Minoru Nohara; Masashi Arita; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Takashi Mizokawa

  Journal of Physics and Chemistry of Solids, May 2019, Peer-reviewed, Lead author

  
• Multi-band Electronic Structure of Ferromagnetic CeRuPO

  Masaya Takahashi; Daiki Ootsuki; Masafumi Horio; Masashi Arita; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Hitoshi Sugawara; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Apr. 2018, Peer-reviewed

  
• Observation of a Pseudogap in the Vicinity of the Metal–Insulator Transition in the Perovskite-type Vanadium Oxides Nd1−xSrxVO3

  Shintaro Yamamoto; Daiki Ootsuki; Daiya Shimonaka; Daisuke Shibata; Kenjiro Kodera; Mario Okawa; Tomohiko Saitoh; Masafumi Horio; Atsushi Fujimori; Hiroshi Kumigashira; Kanta Ono; Eiji Ikenaga; Shigeki Miyasaka; Setsuko Tajima; Teppei Yoshida

  Journal of the Physical Society of Japan, 15 Feb. 2018, Peer-reviewed

  
• A Novel One-Dimensional Electronic State at IrTe2 Surface

  Daiki Ootsuki; Hiroyuki Ishii; Kazutaka Kudo; Minoru Nohara; Masaya Takahashi; Masafumi Horio; Atsushi Fujimori; Teppei Yoshida; Masashi Arita; Hiroaki Anzai; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Dec. 2017, Peer-reviewed, Lead author

  
• Orbital-Dependent Band Renormalization in BaNi2(As1−xPx)2 (x = 0.00 and 0.092)

  Tomohiro Noda; Kazutaka Kudo; Masaya Takasuga; Minoru Nohara; Takuya Sugimoto; Daiki Ootsuki; Masaki Kobayashi; Koji Horiba; Kanta Ono; Hiroshi Kumigashira; Atsushi Fujimori; Naurang L. Saini; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Jun. 2017, Peer-reviewed

  
• Electronic properties of Ba1-x⁢Srx⁢V13⁢O18 (x=0,0.2,1) studied using hard x-ray photoelectron spectroscopy

  S. Dash; M. Okawa; T. Kajita; T. Yoshino; R. Shimoyama; K. Takahashi; Y. Takahashi; R. Takayanagi; T. Saitoh; D. Ootsuki; T. Yoshida; E. Ikenaga; N. L. Saini; T. Katsufuji; T. Mizokawa

  Physical Review B, 09 May 2017, Peer-reviewed

  
• Unusual valence state and metal-insulator transition in BaV10O15 probed by hard x-ray photoemission spectroscopy

  T. Yoshino; M. Okawa; T. Kajita; S. Dash; R. Shimoyama; K. Takahashi; Y. Takahashi; R. Takayanagi; T. Saitoh; D. Ootsuki; T. Yoshida; E. Ikenaga; N. L. Saini; T. Katsufuji; T. Mizokawa

  Physical Review B, 27 Feb. 2017, Peer-reviewed

  
• Localized and mixed valence state of Ce 4⁢f in superconducting and ferromagnetic CeO1−xFxBiS2 revealed by x-ray absorption and photoemission spectroscopy

  T. Sugimoto; D. Ootsuki; E. Paris; A. Iadecola; M. Salome; E. F. Schwier; H. Iwasawa; K. Shimada; T. Asano; R. Higashinaka; T. D. Matsuda; Y. Aoki; N. L. Saini; T. Mizokawa

  Physical Review B, 17 Aug. 2016, Peer-reviewed

  
• Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by protect annealing

  M. Horio; T. Adachi; Y. Mori; A. Takahashi; T. Yoshida; H. Suzuki; L. C. C. Ambolode; K. Okazaki; K. Ono; H. Kumigashira; H. Anzai; M. Arita; H. Namatame; M. Taniguchi; D. Ootsuki; K. Sawada; M. Takahashi; T. Mizokawa; Y. Koike; A. Fujimori

  Nature Communications, Apr. 2016, Peer-reviewed

  
• Electronic structure of Li1+x[Mn0.5Ni0.5]1−xO2 studied by photoemission and x-ray absorption spectroscopy

  Y. Yokoyama; D. Ootsuki; T. Sugimoto; H. Wadati; J. Okabayashi; Xu Yang; Fei Du; Gang Chen; T. Mizokawa

  Applied Physics Letters, 20 Jul. 2015, Peer-reviewed

  
• Fermi surfaces and orbital polarization in superconducting CeO0.5F0.5BiS2 revealed by angle-resolved photoemission spectroscopy

  T. Sugimoto; D. Ootsuki; C. Morice; E. Artacho; S. S. Saxena; E. F. Schwier; M. Zheng; Y. Kojima; H. Iwasawa; K. Shimada; M. Arita; H. Namatame; M. Taniguchi; M. Takahashi; N. L. Saini; T. Asano; R. Higashinaka; T. D. Matsuda; Y. Aoki; T. Mizokawa

  Physical Review B, 16 Jul. 2015, Peer-reviewed

  
• Spectromicroscopy of electronic phase separation in KxFe2−ySe2 superconductor

  M. Bendele; A. Barinov; B. Joseph; D. Innocenti; A. Iadecola; A. Bianconi; H. Takeya; Y. Mizuguchi; Y. Takano; T. Noji; T. Hatakeda; Y. Koike; M. Horio; A. Fujimori; D. Ootsuki; T. Mizokawa; N. L. Saini

  Scientific Reports, May 2015, Peer-reviewed

  
• Coexistence of localized and itinerant electrons in BaFe2X3 (X = S and Se) revealed by photoemission spectroscopy

  D. Ootsuki; N. L. Saini; F. Du; Y. Hirata; K. Ohgushi; Y. Ueda; T. Mizokawa

  Physical Review B, 13 Jan. 2015, Peer-reviewed, Lead author

  
• Electronic structure of LaO1−x⁢FxBiSe2 (x=0.18) revealed by photoelectron spectromicroscopy

  N. L. Saini; D. Ootsuki; E. Paris; B. Joseph; A. Barinov; M. Tanaka; Y. Takano; T. Mizokawa

  Physical Review B, 19 Dec. 2014, Peer-reviewed

  
• Effect of Pt substitution on the electronic structure of AuTe2

  D. Ootsuki; K. Takubo; K. Kudo; H. Ishii; M. Nohara; N. L. Saini; R. Sutarto; F. He; T. Z. Regier; M. Zonno; M. Schneider; G. Levy; G. A. Sawatzky; A. Damascelli; T. Mizokawa

  Physical Review B, 27 Oct. 2014, Peer-reviewed, Lead author

  
• Bond order and the role of ligand states in stripe-modulated IrTe2

  K. Takubo; R. Comin; D. Ootsuki; T. Mizokawa; H. Wadati; Y. Takahashi; G. Shibata; A. Fujimori; R. Sutarto; F. He; S. Pyon; K. Kudo; M. Nohara; G. Levy; I. S. Elfimov; G. A. Sawatzky; A. Damascelli

  Physical Review B, 07 Aug. 2014, Peer-reviewed

  
• Coexistence of Bloch electrons and glassy electrons in Ca10⁢(Ir4⁢As8)⁢(Fe2−x⁢Irx⁢As2)5 revealed by angle-resolved photoemission spectroscopy

  K. Sawada; D. Ootsuki; K. Kudo; D. Mitsuoka; M. Nohara; T. Noda; K. Horiba; M. Kobayashi; K. Ono; H. Kumigashira; N. L. Saini; T. Mizokawa

  Physical Review B, 25 Jun. 2014, Peer-reviewed

  
• Important Roles of Te 5p nd Ir 5d Spin–Orbit Interactions on the Multi-band Electronic Structure of Triangular Lattice Superconductor Ir1−xPtxTe2

  Daiki Ootsuki; Tatsuya Toriyama; Masakazu Kobayashi; Sunseng Pyon; Kazutaka Kudo; Minoru Nohara; Takuya Sugimoto; Teppei Yoshida; Masafumi Horio; Atsushi Fujimori; Masashi Arita; Hiroaki Anzai; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Takehisa Konishi; Yukinori Ohta; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Mar. 2014, Peer-reviewed, Lead author

  
• e 5p orbitals bring three-dimensional electronic structure to two-dimensional Ir0.95Pt0.05Te2

  D. Ootsuki; T. Toriyama; S. Pyon; K. Kudo; M. Nohara; K. Horiba; M. Kobayashi; K. Ono; H. Kumigashira; T. Noda; T. Sugimoto; A. Fujimori; N. L. Saini; T. Konishi; Y. Ohta; T. Mizokawa

  Physical Review B, 06 Mar. 2014, Peer-reviewed, Lead author

  
• Electronic structure and phase separation of superconducting and nonsuperconductingKxFe2−ySe2revealed by x-ray photoemission spectroscopy

  M. Oiwake; D. Ootsuki; T. Noji; T. Hatakeda; Y. Koike; M. Horio; A. Fujimori; N. L. Saini; T. Mizokawa

  Physical Review B, 31 Dec. 2013, Peer-reviewed

  
• Impact of Local Lattice Disorder on Spin and Orbital Orders in Ca2-xSrxRuO4

  Takuya Sugimoto; Daiki Ootsuki; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Oct. 2013, Peer-reviewed

  
• Electronic Structure Reconstruction by Orbital Symmetry Breaking in IrTe2

  Daiki Ootsuki; Sunseng Pyon; Kazutaka Kudo; Minoru Nohara; Masafumi Horio; Teppei Yoshida; Atsushi Fujimori; Masashi Arita; Hiroaki Anzai; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Sep. 2013, Peer-reviewed, Lead author

  
• Spin–Charge–Orbital Ordering in Hollandite-Type Manganites Studied by Model Hartree–Fock Calculation

  Makoto Fukuzawa; Daiki Ootsuki; Takashi Mizokawa

  Journal of the Physical Society of Japan, 15 Jul. 2013, Peer-reviewed

  
• Anomalous Momentum Dependence of the Multiband Electronic Structure of FeSe1-xTexSuperconductors Induced by Atomic Disorder

  Takaaki Sudayama; Daiki Ootsuki; Yuki Wakisaka; Takashi Mizokawa; Naurang L. Saini; Masashi Arita; Hirofumi Namatame; Masaki Taniguchi; Takashi Noji; Yoji Koike

  Journal of the Physical Society of Japan, 15 May 2013, Peer-reviewed

  
• Band Jahn-Teller effects and Peierls Instability in IrTe2

  D Ootsuki; S Pyon; K Kudo; M Nohara; M Horio; T Yoshida; A Fujimori; M Arita; H Anzai; H Namatame; M Taniguchi; N L Saini; T Mizokawa

  Journal of Physics: Conference Series, 05 Apr. 2013, Peer-reviewed, Lead author

  
• Orbital degeneracy and Peierls instability in the triangular-lattice superconductor Ir1−xPtxTe2

  Daiki Ootsuki; Yuki Wakisaka; Sunseng Pyon; Kazutaka Kudo; Minoru Nohara; Masashi Arita; Hiroaki Anzai; Hirofumi Namatame; Masaki Taniguchi; Naurang L. Saini; Takashi Mizokawa

  Physical Review B, 24 Jul. 2012, Peer-reviewed, Lead author

  
• Orbital Degeneracy, Jahn–Teller Effect, and Superconductivity in Transition-Metal Chalcogenides

  T. Mizokawa; T. Sudayama; Y. Wakisaka; D. Ootsuki; M. Imaizumi; T. Noji; Y. Koike; S. Pyon; K. Kudo; M. Nohara; H. Anzai; M. Arita; H. Namatame; M. Taniguchi; N. L. Saini

  Journal of Superconductivity and Novel Magnetism, 27 May 2012, Peer-reviewed, Lead author

  

Misc.

• Surface electronic structure of BaIr₂Ge₇ with the cage structure studied by micro angle-resolved photoemission spectroscopy

  石田達拡; 大槻太毅; 北村未歩; 堀場弘司; 組頭広志; 組頭広志; 石田茂之; 伊豫彰; 永崎洋; 川島健司; 川島健司; 柳陽介; 柳陽介; 吉田鉄平

  KEK Progress Report (Web), 2022

  
• Electron-phonon interaction of superconductor BaIr₂Ge₇ with cage structure

  石田達拡; 大槻太毅; 北村未歩; 堀場弘司; 組頭広志; 組頭広志; 保井晃; 池永英司; 石田茂之; 伊豫彰; 永崎洋; 川島健司; 川島健司; 柳陽介; 柳陽介; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2021

  
• BaIr₂Ge₇の角度分解光電子分光

  石田達拡; 大槻太毅; 高須賀幸恵; 菱川愛佑子; 北村未歩; 堀場弘司; 組頭広志; 組頭広志; 保井晃; 池永英司; 石田茂之; 伊豫彰; 永崎洋; 川島健司; 川島健司; 柳陽介; 柳陽介; 吉田鉄平

  日本放射光学会年会・放射光科学合同シンポジウム(Web), 2020

  
• Ca₂RuO₄の電場印加下の軟X線吸収・発光分光

  高須賀幸恵; 柴田大輔; 大槻太毅; SOW Chanchal; 米澤進吾; 前野悦輝; 中村文彦; 宮脇淳; 山添康介; 塚田智幸; 原田慈久; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2019

  
• Ca₂RuO₄とCa₃Ru₂O₇の共鳴光電子分光

  菱川愛佑子; 高須賀幸恵; 石田達拡; 大槻太毅; 北村未歩; 堀場弘司; 組頭広志; 保井晃; 池永英司; 菊川直樹; SOW Chanchal; 米澤進吾; 前野悦輝; 中村文彦; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2019

  
• 軟X線顕微光電子分光によるCa₂RuO₄の電場印加下電子状態観測

  高須賀幸恵; 柴田大輔; 大槻太毅; SOW Chanchal; 米澤進吾; 前野悦輝; 中村文彦; 永村直佳; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2018

  
• 硬X線光電子分光によるCa₂RuO₄の電子状態の温度及び電場依存性

  柴田大輔; 下中大也; 川本雅人; 大槻太毅; 池永英司; 宍倉愛; SOW Chanchal; 米澤進吾; 前野悦輝; 中村文彦; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2017

  
• 電場印加硬X線光電子分光によるCa₂RuO₄の電子状態の研究

  柴田大輔; 下中大也; 川本雅人; 大槻太毅; 池永英司; 保井晃; 宍倉愛; SOW Chanchal; 米澤進吾; 前野悦輝; 中村文彦; 吉田鉄平

  日本物理学会講演概要集(CD-ROM), 2017

  
• 23pBC-8 Photoemission Spectroscopic Study of CeRuPO II

  Takahashi M.; Sawada K.; Ootsuki D.; Arita M.; Namatame H.; Taniguchi M.; Horio M.; Sugimoto T.; Saini N. L.; Sugawara H.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 電子ドープ型高温超伝導体T′-Pr_1.3-xLa_0.7Ce_xCuO₄(x=0.10)における擬ギャップの消失 II

  堀尾眞史; 吉田鉄平; 鈴木博人; AMBOLODE Leo Cristobal C., II; 藤森淳; 大槻太毅; 溝川貴司; 小野寛太; 組頭広志; 安斎太陽; 有田将司; 生天目博文; 谷口雅樹; 谷口雅樹; 森陽介; 高橋晶; 足立匡; 小池洋二

  日本物理学会講演概要集, 2013

  
• 電子ドープ型高温超伝導体Pr_1.3-xLa_0.7Ce_xCuO₄における擬ギャップの消失

  堀尾眞史; 吉田鉄平; 鈴木博人; AMBOLODE Leo Cristobal C., II; 藤森淳; 大槻太毅; 溝川貴司; 小野寛太; 組頭広志; 安斎太陽; 有田将司; 生天目博文; 谷口雅樹; 谷口雅樹; 森陽介; 足立匡; 小池洋二

  日本物理学会講演概要集, 2012

  
• 19aBN-3 Resonant x-ray scattering of Ir_<1-x>Pt_xTe_2

  Takubo K.; Wadati H.; Ootsuki D.; Mizokawa T.; Sutarto R.; He F.; Ishii K.; Yamasaki Y.; Nakao H.; Murakami Y.; Pyon S.; Kudo K.; Matsuo G.; Ishii H.; Kobayashi M.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• Observation of Metal-Insulator transition in Ca₂RuO₄ under electric field by Hard X-ray Photoemission Spectroscopy

  Shibata Daisuke; Shimonaka Daiya; Ootsuki Daiki; Ikenaga Eiji; Sow Chanchal; Maeno Yoshiteru; Yoshida Teppei

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• 23pBE-2 Electronic Structure of PbVO_3 Studied by Photoemission Spectroscopy

  Komiyama J.; Ootsuki D.; Mizokawa T.; Mizumaki M.; Runze Y.; Oka K.; Azuma M.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 21pBE-1 Study of Ta_2NiX_5(X=S, Se) by Photoemission Spectroscopy

  Chiba Y.; Sawada K.; Noda T.; Sugimoto T.; Ootsuki D.; Mizokawa T.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Nakano A.; Katayama N.; Sawa H.; Nohara M.; Takagi H.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 16pCD-1 Direct Observation of Superconducting Gaps in Ir1-xPtxTe2 by Laser-ARPES

  Ootsuki D.; Mizokawa T.; Saini N. L.; Ota Y.; Yamamoto H.; Hashimoto T.; Okazaki K.; Shin S.; Fujimori A.; Toriyama T.; Konishi T.; Ohta Y.; Pyon S.; Kudo K.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 16aDB-5 Angle-resolved photoemission spectroscopy of BaNi_2(As_<1-x>Px)_2

  Noda T.; Ootsuki D.; Sugimoto T.; Horio M.; Fujimori A.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Kudo K.; Takasuga M.; Nohara M.; Saini N. L.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 16pDA-9 Fermi surfaces and orbital polarization of CeO_<0.5>F_<0.5>BiS_2 revealed by angle-resolved photoemission spectroscopy

  Sugimoto T.; Ootsuki D.; Morice C.; Artacho E.; Saxena S. S.; Schwier E. F.; Zheng M.; Kojima Y.; Iwasawa H.; Shimada K.; Arita M.; Namatame H.; Taniguchi M.; Takahashi M.; Saini N. L.; Asano T.; Higashinaka R.; Matsuda T. D.; Aoki Y.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 22aBD-8 Li_<1+x>[Mn_<0.5>Ni_<0.5>]_<1-x>O_2のX線光電子分光とX線吸収分光

  横山 優一; 大槻 太毅; 溝川 貴司; 岡林 潤; Du Fei; Chen Gang

  日本物理学会講演概要集, 2015

  
• 21pBA-15 Coexistence of nematic and non-nematic states in Fe(Se,Te) system revealed by ARPES

  Sugimoto T.; Ootsuki D.; Sawada K.; Anzai H.; Arita M.; Namatame H.; Taniguchi M.; Horio M.; Horiba K.; Kobayashi M.; Ono K.; Kumigashira H.; Inabe T.; Noji T.; Koike Y.; Saini Naurang L.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 21pBE-7 Electronic structure of IrTe_2 below the structural transition studied by ARPES

  Ootsuki D.; Takahashi M.; Sawada K.; Mizokawa T.; Saini N. L.; Horio M.; Fujimori A.; Arita M.; Namatame H.; Taniguchi M.; Pyon S.; Kudo K.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• Angle-resolved Photoemission Spectroscopy of Ir_<1-x>Pt_xTe_2

  Ootsuki D; Noda T; Sugimoto T; Mizokawa T; Saini N.L; Suzuki H; Fujimori A; Kobayashi M; Horiba H; Kumigashira H; Ono K; Pyon S; Kudo K; Nohara M

  Meeting abstracts of the Physical Society of Japan, 26 Aug. 2013

  
• 27aCG-2 Angle-resolved Photoemission Spectroscopy of Ir_<1-x>Pt_xTe_2 II

  Ootsuki D; Saini N. L; Mizokawa T; Ota Y; Shin S; Okazaki K; Fujimori A; Toriyama T; Konishi K; Ohta Y; Pyon S; Kudo K; Nohara M

  Meeting abstracts of the Physical Society of Japan, 05 Mar. 2014

  
• 24pGE-8 Photoemission study of IrTe_2

  Ootsuki D.; Ikedo K.; Wakisaka Y.; Mizokawa T.; Pyon S.; Kudo K.; Nohara M.; Arita M.; Namatame H.; Taniguchi M.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2011

  
• 22aPS-9 Orbitally-induced Peierls instability in transition-metal compounds with triangular lattice

  Ootsuki D.; Wakisaka Y.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2011

  
• 8pBJ-13 Angle-resolved Photoemission spectroscopy study on Ca_<10>(Ir_4As_8)(Fe_2As_2)_5

  Sawada K.; Ootsuki D.; Kudo K.; Mitsuoka D.; Nohara M.; Noda T.; Horiba K.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Saini N. L.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014

  
• 29aXJ-7 Electronic structure of IrTe_2 studied by ARPES

  Ootsuki D.; Mizokawa T.; Saini N. L.; Horio M.; Yoshida T.; Fujimori A.; Anzai H.; Arita M.; Namatame H.; Taniguchi M.; Pyon S.; Kudo K.; Nohara M.

  Meeting abstracts of the Physical Society of Japan, 26 Mar. 2013

  
• 18aGB-8 Unrestricted Hartree-Fock study on orbital-disordered states in Ca_<2-x>Sr_xRuO_4

  Sugimoto Takuya; Ootsuki Daiki; Mizokawa Takashi

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012

  
• 20pFG-7 Charge-Orbital Ordering in Hollandite type Manganite Studied by Unrestricted Hartree-Fock Calculation

  Fukuzawa M.; Ootsuki D.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012

  

Presentations

• Observation of Metal-Insulator transition in Ca₂RuO₄ under electric field by Hard X-ray Photoemission Spectroscopy

  Shibata Daisuke; Shimonaka Daiya; Ootsuki Daiki; Ikenaga Eiji; Sow Chanchal; Maeno Yoshiteru; Yoshida Teppei

  Meeting Abstracts of the Physical Society of Japan, 2016, The Physical Society of Japan

  
• 19aBN-3 Resonant x-ray scattering of Ir_<1-x>Pt_xTe_2

  Takubo K.; Wadati H.; Ootsuki D.; Mizokawa T.; Sutarto R.; He F.; Ishii K.; Yamasaki Y.; Nakao H.; Murakami Y.; Pyon S.; Kudo K.; Matsuo G.; Ishii H.; Kobayashi M.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2016, The Physical Society of Japan (JPS)

  
• 21pBE-7 Electronic structure of IrTe_2 below the structural transition studied by ARPES

  Ootsuki D.; Takahashi M.; Sawada K.; Mizokawa T.; Saini N. L.; Horio M.; Fujimori A.; Arita M.; Namatame H.; Taniguchi M.; Pyon S.; Kudo K.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 21pBA-15 Coexistence of nematic and non-nematic states in Fe(Se,Te) system revealed by ARPES

  Sugimoto T.; Ootsuki D.; Sawada K.; Anzai H.; Arita M.; Namatame H.; Taniguchi M.; Horio M.; Horiba K.; Kobayashi M.; Ono K.; Kumigashira H.; Inabe T.; Noji T.; Koike Y.; Saini Naurang L.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 22aBD-8 Li_<1+x>[Mn_<0.5>Ni_<0.5>]_<1-x>O_2のX線光電子分光とX線吸収分光

  横山 優一; 大槻 太毅; 溝川 貴司; 岡林 潤; Du Fei; Chen Gang

  日本物理学会講演概要集, 2015, 一般社団法人日本物理学会

  
• 16pDA-9 Fermi surfaces and orbital polarization of CeO_<0.5>F_<0.5>BiS_2 revealed by angle-resolved photoemission spectroscopy

  Sugimoto T.; Ootsuki D.; Morice C.; Artacho E.; Saxena S. S.; Schwier E. F.; Zheng M.; Kojima Y.; Iwasawa H.; Shimada K.; Arita M.; Namatame H.; Taniguchi M.; Takahashi M.; Saini N. L.; Asano T.; Higashinaka R.; Matsuda T. D.; Aoki Y.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 16aDB-5 Angle-resolved photoemission spectroscopy of BaNi_2(As_<1-x>Px)_2

  Noda T.; Ootsuki D.; Sugimoto T.; Horio M.; Fujimori A.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Kudo K.; Takasuga M.; Nohara M.; Saini N. L.; Mizokawa T.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 16pCD-1 Direct Observation of Superconducting Gaps in Ir1-xPtxTe2 by Laser-ARPES

  Ootsuki D.; Mizokawa T.; Saini N. L.; Ota Y.; Yamamoto H.; Hashimoto T.; Okazaki K.; Shin S.; Fujimori A.; Toriyama T.; Konishi T.; Ohta Y.; Pyon S.; Kudo K.; Nohara M.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 21pBE-1 Study of Ta_2NiX_5(X=S, Se) by Photoemission Spectroscopy

  Chiba Y.; Sawada K.; Noda T.; Sugimoto T.; Ootsuki D.; Mizokawa T.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Nakano A.; Katayama N.; Sawa H.; Nohara M.; Takagi H.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 23pBE-2 Electronic Structure of PbVO_3 Studied by Photoemission Spectroscopy

  Komiyama J.; Ootsuki D.; Mizokawa T.; Mizumaki M.; Runze Y.; Oka K.; Azuma M.

  Meeting Abstracts of the Physical Society of Japan, 2015, The Physical Society of Japan (JPS)

  
• 8pBJ-13 Angle-resolved Photoemission spectroscopy study on Ca_<10>(Ir_4As_8)(Fe_2As_2)_5

  Sawada K.; Ootsuki D.; Kudo K.; Mitsuoka D.; Nohara M.; Noda T.; Horiba K.; Kobayashi M.; Horiba K.; Ono K.; Kumigashira H.; Saini N. L.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014, The Physical Society of Japan (JPS)

  
• 27aCG-2 Angle-resolved Photoemission Spectroscopy of Ir_<1-x>Pt_xTe_2 II

  Ootsuki D; Saini N. L; Mizokawa T; Ota Y; Shin S; Okazaki K; Fujimori A; Toriyama T; Konishi K; Ohta Y; Pyon S; Kudo K; Nohara M

  Meeting abstracts of the Physical Society of Japan, 05 Mar. 2014, The Physical Society of Japan (JPS)

  
• Angle-resolved Photoemission Spectroscopy of Ir_<1-x>Pt_xTe_2

  Ootsuki D; Noda T; Sugimoto T; Mizokawa T; Saini N.L; Suzuki H; Fujimori A; Kobayashi M; Horiba H; Kumigashira H; Ono K; Pyon S; Kudo K; Nohara M

  Meeting abstracts of the Physical Society of Japan, 26 Aug. 2013, The Physical Society of Japan (JPS)

  
• 29aXJ-7 Electronic structure of IrTe_2 studied by ARPES

  Ootsuki D.; Mizokawa T.; Saini N. L.; Horio M.; Yoshida T.; Fujimori A.; Anzai H.; Arita M.; Namatame H.; Taniguchi M.; Pyon S.; Kudo K.; Nohara M.

  Meeting abstracts of the Physical Society of Japan, 26 Mar. 2013, The Physical Society of Japan (JPS)

  
• 20pFG-7 Charge-Orbital Ordering in Hollandite type Manganite Studied by Unrestricted Hartree-Fock Calculation

  Fukuzawa M.; Ootsuki D.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012, The Physical Society of Japan (JPS)

  
• 18aGB-8 Unrestricted Hartree-Fock study on orbital-disordered states in Ca_<2-x>Sr_xRuO_4

  Sugimoto Takuya; Ootsuki Daiki; Mizokawa Takashi

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012, The Physical Society of Japan (JPS)

  
• 22aPS-9 Orbitally-induced Peierls instability in transition-metal compounds with triangular lattice

  Ootsuki D.; Wakisaka Y.; Mizokawa T.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2011, The Physical Society of Japan (JPS)

  
• 24pGE-8 Photoemission study of IrTe_2

  Ootsuki D.; Ikedo K.; Wakisaka Y.; Mizokawa T.; Pyon S.; Kudo K.; Nohara M.; Arita M.; Namatame H.; Taniguchi M.

  Meeting abstracts of the Physical Society of Japan, 24 Aug. 2011, The Physical Society of Japan (JPS)

  

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Introduction to Natural Sciences A

  0074, Spring, Faculty of Integrated Human Studies, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Fundamentals for Transdisciplinary Research 10

  KK11, Spring, Graduate School of Human and Environmental Studies, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  General Aspects of Materials Correlations

  II08, Spring, Graduate School of Human and Environmental Studies, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Photoemission Spectroscopy

  9253, Fall, Faculty of Integrated Human Studies, 4
• From 01 Apr. 2023, To 31 Mar. 2024

  Learning of Superconductivity from Experience

  9205, Spring, Faculty of Integrated Human Studies, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  General Aspects of Materials Correlations

  II08, Spring, Graduate School of Human and Environmental Studies, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  General Aspects of Materials Correlations

  N026, Spring, Graduate School of Human and Environmental Studies, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Learning of Superconductivity from Experience

  9205, Spring, Faculty of Integrated Human Studies, 2
• From Apr. 2017, To Mar. 2018

  Learning of Superconductivity from Experience

  Spring, 総合人間学部
• From Apr. 2017, To Mar. 2018

  Photoemission Spectroscopy

  Fall, 総合人間学部
• From Apr. 2018, To Mar. 2019

  Learning of Superconductivity from Experience

  Spring, 総合人間学部
• From Apr. 2019, To Mar. 2020

  Learning of Superconductivity from Experience

  Spring, 総合人間学部
• From Apr. 2019, To Mar. 2020

  Mathematics for Physics : recitation

  Fall, 総合人間学部
• From Apr. 2019, To Mar. 2020

  Photoemission Spectroscopy

  Fall, 総合人間学部
• From Apr. 2020, To Mar. 2021

  Learning of Superconductivity from Experience

  Spring, 総合人間学部
• From Apr. 2020, To Mar. 2021

  Mathematics for Physics : recitation

  Fall, 総合人間学部
• From Apr. 2021, To Mar. 2022

  Learning of Superconductivity from Experience

  Spring, 総合人間学部
• From Apr. 2021, To Mar. 2022

  Introduction to Science A

  Spring, 総合人間学部
• From Apr. 2021, To Mar. 2022

  Photoemission Spectroscopy

  Fall, 総合人間学部

Academic, Social Contribution

Committee Memberships

• From Oct. 2023, To Sep. 2025

  行事委員, 日本放射光学会
• From Oct. 2022, To Sep. 2023

  Division 5, Committee, The Physical Society of Japan
• From Oct. 2019, To Sep. 2020

  Division 8, Committee, The Physical Society of Japan