成果

2018.09.07

原著論文 :
2024,2023,2022,2021,2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, before2005

プレプリント : 会議録 : 解説 : 特許 : 学位論文

プレプリント

原著論文

2024年

  1. Fuki Sato, Hideyuki Fujihara, Hirotada Gotou, Takuya Aoyama, Yoshinori Imai, and Kenya Ohgushi
    Phys. Rev. B 109, 035154 (2024)
    “Insulator-metal transition in Ru(Br1-xIx)3 with honeycomb structure”
  2. T. Weinhold, C. Wang, F. Seewald, V. Grinenko, Y. Imai, F. Sato, K. Ohgushi, H.-H. Klauss, and R. Sarkar
    Phys. Rev. B 109, 014440 (2024)
    “Magnetism in the Kitaev quantum spin liquid candidate RuBr3”
  3. T. Osumi, S. Souma, T. Aoyama, K. Yamauchi, A. Honma, K. Nakayama, T. Takahashi, K. Ohgushi, T. Sato
    Phys. Rev. B 109, 115102 (2024).
    “Observation of a giant band splitting in altermagnetic MnTe”
  4. Takuya Aoyama and Kenya Ohgushi
    Phys. Rev. Materials 8, L041402 (2024). 
    “Piezomagnetic properties in altermagnetic MnTe”
  5. Tong Zhu, Xue-Zeng Lu, Takuya Aoyama, Koji Fujita, Yusuke Nambu, Takashi Saito, Hiroshi Takatsu, Tatsushi Kawasaki, Takumi Terauchi, Shunsuke Kurosawa, Akihiro Yamaji, Hao-Bo Li, Cédric Tassel, Kenya Ohgushi, James M. Rondinelli, and Hiroshi Kageyama
    Nat. Mater. 23, 182 (2024).
    “Thermal multiferroics in all-inorganic quasi-two-dimensional halide perovskites”
  6. H. Gretarsson, H. Fujihara, F. Sato, H. Gotou, Y. Imai, K. Ohgushi, B. Keimer, and H. Suzuki
    Phys. Rev. B 109, L180413 (2024).
    “J=1/2 pseudospins and d-p hybridization in the Kitaev spin liquid candidates Ru⁢X3 (X=Cl, Br, I)”
  7. Hung-Cheng Wu, Takuya Aoyama, Daisuke Morikawa, Daisuke Okuyama, Kazuhiro Nawa, Wei-Tin Chen, Chan-Hung Lu, Tsung-Wen Yen, Shin-Ming Huang, Stuart Calder, Shuki Torii, Kenya Ohgushi, Masami Terauchi, Taku J. Sato
    Adv. Physics Res., 2400054 (2024).
    “Observation of Thermally Induced Piezomagnetic Switching in Cu2OSeO3 Polymorph Synthesized under High-Pressure”
  8. Fuki Sato, Takuya Aoyama, Saori Kawaguchi, Hirotada Gotou, Yoshinori Imai, and Kenya Ohgushi
    J. Phys. Soc. Jpn. 93, 093601 (2024).
    “Structural and Electronic Properties of RuX3 (X = Br and I) under High Pressure”

  9. Hajime Yamamoto, Osamu Ikeda, Takashi Honda, Kenta Kimura, Takuya Aoyama, Kenya Ohgushi, Akio Suzuki, Kenji Ishii, Daiju Matsumura, Takuya Tsuji, Shintaro Kobayashi, Shogo Kawaguchi, Matteo d’Astuto, and Tadashi Abukawa
    Phys. Rev. Materials 8, 094402 (2024).
    “Continuous structural phase transition and antiferromagnetic order in ilmenite-type NiVO3”

  10. Yuta Ishii, Terutoshi Sakakura, Yoshihisa Ishikawa, Ryoji Kiyanagi, Jana Lustikova, Takuya Aoyama, Kenya Ohgushi, Yusuke Wakabayashi, Hiroyuki Kimura, and Yukio Noda
    Phys. Rev. B 110, 184404 (2024).
    “Nonferroelectric phase with loss of cycloidal magnetic structure in Tb0.515⁢Gd0.485⁢Mn2⁢O5”

2023年

  1. Takuya Aoyama, Rinto Nojima, Touru Yamauchi, Yoshinori Imai, and Kenya Ohgushi
    Phys. Rev. B 108, 094507 (2023).
    “Pressure-induced switching of electronic nematicity in the iron-based ladder materials BaFe2(S1-xSex)3″

2022年

  1. Y. Choi, J-H. Lee, S. Lee, D. Wulferding, H. Fujihara, F. Sato, Y. Imai, K. Ohgushi, M-J. Seong, and K-Y. Choi
    Phys. Rev. B 106, 174430 (2022).
    “Magnetic and spin-orbit exciton excitations in the honeycomb lattice compound RuBr3”
  2. T. Amano, Y. Kawakami, H. Itoh, K. Konno, Y. Hasegawa, T. Aoyama, Y. Imai, K. Ohgushi, Y. Takeuchi, Y. Wakabayashi, K. Goto, Y. Nakayama, H. Kishida, K. Yonemitsu, and S. Iwai
    Phys. Rev. Research 4, L032032 (2022). 
    “Light-induced magnetization driven by interorbital charge motion in the spin-orbit assisted Mott insulator α-RuCl3”
  3. T. Aoyama, M. Kudo, K. Igarashi, K. Emi, S. Kimura, Y. Imai, and K. Ohgushi
    Phys. Rev.B, 105, 224422 (2022). 
    “Enhanced anisotropic magnetoresistance in the odd-parity multipole-ordered conductor Ba1−xKxMn2As2″
  4. Takuya Aoyama, Kenji Ohta, Katsuya Shimizu, and Kenya Ohgushi
    J. Phys. Soc. Jpn. 91, 045003 (2022)
    “Persistent Spin–Orbit Mott Insulating State in Highly Compressed Post-Perovskite CaIrO3”
  5. Hiroki Takahashi, Ryosuke Kikuchi, Chizuru Kawashima, Satoshi Imaizumi, Takuya Aoyama, and Kenya Ohgushi
    Materials 2022, 15, 1401.
    “Pressure-Induced Superconductivity in Iron-Based Spin-Ladder Compound BaFe2+δ(S1-xSex)3”
  6. Yoshinori Imai, Kazuhiro Nawa, Yasuhiro Shimizu, Wakana Yamada, Hideyuki Fujihara, Takuya Aoyama, Ryotaro Takahashi, Daisuke Okuyama, Takamasa Ohashi, Masato Hagihala, Shuki Torii, Daisuke Morikawa,
    Masami Terauchi, Takayuki Kawamata, Masatsune Kato, Hirotada Gotou, Masayuki Itoh, Taku J. Sato, and Kenya Ohgushi
    Phys. Rev. B 105, L041112 (2022).
    “Zigzag magnetic order in the Kitaev spin-liquid candidate material RuBr3 with a honeycomb lattice”

2021年

  1. Kazuhiro Nawa, Yoshinori Imai, Youhei Yamaji, Hideyuki Fujihara,Wakana Yamada, Ryotaro Takahashi, Takumi Hiraoka, Masato Hagihala, Shuki Torii, Takuya Aoyama, Takamasa Ohashi, Yasuhiro Shimizu, Hirotada Gotou, Masayuki Itoh, Kenya Ohgushi, and Taku J. Sato
    J. Phys. Soc. Jpn. 90, 123703 (2021)
    “Strongly Electron-Correlated Semimetal RuI3 with a Layered Honeycomb Structure”

2020年

  1. S. Hosoi, T. Aoyama, K. Ishida, Y. Mizukami, K. Hashizume, S. Imaizumi, Y. Imai, K. Ohgushi, Y. Nambu, M. Kimata, S. Kimura, and T. Shibauchi
    Phys. Rev. Research 2, 043293
    “Dichotomy between orbital and magnetic nematic instabilities in BaFe2S3”
  2. Matteo Rossi, Pietro Marabotti, Yasuyuki Hirata, Giulio Monaco, Michael Krisch, Kenya Ohgushi, Krzysztof Wohlfeld, Jeroen van den Brink & Marco Moretti Sala, Eur. Phys. J.  Plus. 135, 676 (2020).
    “A jeff=1/2 pseudospinon continuum in CaIrO3”
  3. Shin Nakamura, Takatsugu Masuda, Kenya Ohgushi, and Takuro Katsufuji, J. Phys. Soc. Jpn. 89, 084703 (2020).
    “Mössbauer Study of Rare-earth Ferroborate NdFe3(BO3)4“
  4. Mina Murase, Kaoru Okada, Yoshiaki Kobayashi, Yasuyuki Hirata, Kazuki Hashizume, Takuya Aoyama, Kenya Ohgushi, and Masayuki Itoh, Phys. Rev. B 102, 014433 (2020).
    “Successive magnetic transitions and spin structure in the two-leg ladder compound  CsFe2Se3 observed by 133Cs and 77Se NMR”
  5. Yoshinori Imai, Koya Sasaki, Takuya Aoyama, Kenji Shirasaki, Tomoo Yamamura, and Kenya Ohgushi, Phys. Rev. B 101, 245112 (2020).
    “High-pressure synthesis of heavily hole-doped cuprates Mg1-xLixCu2O3 with quasi-one-dimensional structure”
  6. Satoshi Imaizumi, Takuya Aoyama, Ryota Kimura, Koya Sasaki, Yusuke Nambu, Maxim Avdeev, Yasuyuki Hirata, Yuka Ikemoto, Taro Moriwaki, Yoshinori Imai, and Kenya Ohgushi, Phys. Rev. B 102, 035104 (2020).
    “Structural, electrical, magnetic, and optical properties of iron-based ladder compounds BaFe2(S1-xSex)3”

2019年

  1. Takuya Aoyama, Kazutoshi Emi, Chihiro Tabata, Yusuke Nambu, Hironori Nakao, Touru Yamauchi, and Kenya Ohgushi, J. Phys. Soc. Jpn. 88, 093706 (2019).
    “Semimetallic State in La3Ir3O11 with the KSbO3 Structure”
  2. Fei Du, Yutaka Ueda, and Kenya Ohgushi, Phys. Rev. Lett 123, 086601(2019).
    “Large magnon contributions to thermal conductance in quasi-one-dimensional Fe-based ladder compounds BaFe2(S1-xSex)3”
  3. Takuya Aoyama, Satoshi Imaizumi, Takuya Togashi, Yoshifumi Sato, Kazuki Hashizume, Yusuke Nambu, Yasuyuki Hirata, Masakazu Matsubara, and Kenya Ohgushi, Phys. Rev. B 99, 241109(R)(2019).
    “Polar state induced by block-type lattice distortions in BaFe2Se3 with quasi-one-dimensional ladder structure”
  4. Y. Imai, K. Konno, Y. Hasegawa, T. Aoyama, and K. Ohgushi, Phys. Rev. B 99, 245141 (2019).
    “Hydrated lithium intercalation into the Kitaev spin liquid candidate material α−RuCl3″

2018年

  1. K. Tomiyasu, N. Ito, R. Okazaki, Y. Takahashi, M. Onodera, K. Iwasa, T.
    Nojima, T. Aoyama, K. Ohgushi, Y. Ishikawa, T. Kamiyama, and S. Ishihara, Adv. Quantum. Technol. 1, 1800057 (2018).
    “Quantum paramagnet near spin-state transition”
  2. K. Kobayashi, S. Maki, Y. Murakami, Y. Hirata, K. Ohgushi, and J. Yamaura, Supercond. Sci. Technol. 31, 105002 (2018).
    “Crystal structure determination under high pressure in the iron-based ladder superconductor BaFe2S3”
  3. V. Kocsis, S. Bordács, J. Deisenhofer, L. F. Kiss, K. Ohgushi, Y. Kaneko, Y. Tokura, and I. Kézsmárki, Phys. Rev. B 97, 125140 (2018).
    “Strong magneto-optical effects in ACr2O4(A=Fe,Co) spinel oxides generated by tetrahedrally coordinated transition metal ions”
  4. T. Sonobe, T. Shimojima, A. Nakamura, M. Nakajima, S. Uchida, K. Kihou, C. H. Lee,A. Iyo, H. Eisaki, K. Ohgushi, and K. Ishizaka, Sci. Rep. 8, 2169 (2018).
    “Orbital-anisotropic electronic structure in the nonmagnetic state of BaFe2(As1-xPx)2 superconductors”

2017年

  1. Y. Hasegawa, T. Aoyama, K. Sasaki, Y. Ikemoto, T. Moriwaki, T. Shirakura, R. Saito, Y. Imai, and K. Ohgushi, J. Phys. Soc. Jpn. 86, 123709 (2017). 
    “Two-phonon absorption spectra in a layered honeycomb compound alpha-RuCl3”
  2. Atsuhiko Miyata, Oliver Portugall, Daisuke Nakamura, Kenya Ohgushi, and Shojiro Takeyama, Phys. Rev. B 96, 180401(R) (2017). 
    “Ultrahigh magnetic field phases in the frustrated triangular-lattice magnet CuCrO2”
  3. Kou Takubo, Yuichi Yokoyama, Hiroki Wadati, Takashi Mizokawa, Teak Boyko, Ronny Sutarto, Feizhou He, Kazuki Hashizume, Satoshi Imaizumi, Takuya Aoyama, Yoshinori Imai, and Kenya Ohgushi, Phys. Rev. B 96, 115157 (2017).
    “Orbital order and fluctuation in BaFe2X3(X = S and Se) and CsFe2Se3 probed by x-ray absorption and resonant inelastic x-ray scattering spectroscopy”
  4. Takahiro Shimojima,Walid Malaeb, Asuka Nakamura, Takeshi Kondo, Kunihiro Kihou, Chul-Ho Lee, Akira Iyo, Hiroshi Eisaki, Shigeyuki Ishida, Masamichi Nakajima, Shin-ichi Uchida, Kenya Ohgushi, Kyoko Ishizaka, and Shik Shin,Science Advances 3, e1700466 (2017).
    “Antiferroic electronic structure in the nonmagnetic superconducting state of the iron-based superconductors”
  5. Takuya Aoyama, Yoshinao Hasegawa, Shojiro Kimura, Tsuyoshi Kimura, and Kenya Ohgushi, Phys. Rev. B, 95, 245104 (2017).
    “Anisotropic magnetodielectric effect in honeycomb-type magnet RuCl3”
  6. David Szaller, Vilmos Kocsis, Sandor Bordacs, Titusz Feher, Toomas Room, Urmas Nagel, Hans Engelkamp, Kenya Ohgushi, and Istvan Kezsmarki, Phys. Rev. B 95, 024427 (2017).
    “Magnetic resonances of multiferroic TbFe3(BO3)4”
  7. Takafumi Hawai, Chizuru Kawashima, Kenya Ohgushi, Kazuyuki Matsubayashi, Yusuke Nambu,Yoshiya Uwatoko, Taku J Sato, Hiroki Takahashi, J. Phys. Soc. Jpn. 86, 024701 (2017). 
    “Pressure-induced metallization in iron-based ladder compounds Ba1-xCsxFe2Se3”

2016年

  1. Bosen Wang, and Kenya Ohgushi, Sci. Rep. 6, 37896 (2016).
    “Post-perovskite Transition in Anti-structure”
  2. Peter J. E. M. van der Linden, Marco Moretti Sala, Christian Henriquet, Matteo Rossi, Kenya Ohgushi, François Fauth, Laura Simonelli, Carlo Marini, Edmundo Fraga, Claire Murray, Jonathan Potter, and Michael Krisch, Rev. Sci. Instrum. 87, 115103 (2016).
    “A compact and versatile dynamic flow cryostat for photon science “
  3. Songxue Chi, Yoshiya Uwatoko, Huibo Cao, Yasuyuki Hirata, Kazuki Hashizume, Takuya Aoyama, Kenya Ohgushi, Phys. Rev. Lett. 117, 047003 (2016).
    “The magnetic precursor of the pressure-induced superconductivity in Fe-ladder compound “

2015年

  1. Touru Yamauchi, Yasuyuki Hirata, Yutaka Ueda, and Kenya Ohgushi, Phys. Rev. Lett. 115, 246402 (2015). 
    “Pressure-induced Mott transition followed by a 24-K superconducting phase in BaFe2S3”
  2. Yasuyuki Hirata, Sachiko Maki, Jun-ichi Yamaura, Touru Yamauchi, and Kenya Ohgushi, Phys. Rev. B 92, 205109 (2015).
    “The Effects of Stoichiometry and Substitution in quasi-one-dimensional iron-chalcogenide BaFe2S3”
  3. Bosen Wang, Kazuyuki Matsubayashi, Yoshiya Uwatoko, and Kenya Ohgushi, J. Phys. Soc. Jpn. 84, 104706 (2015). 
    “High pressure effect on the superconductivity in VN”
  4. S. Hayashida, M. Soda, S. Itoh, T. Yokoo, K. Ohgushi, D. Kawana, H. M. Rønnow, T. Masuda, Phys. Rev. B, 92, 054402 (2015).
    “Investigation of the Magnetic Model in Multiferroic NdFe3(BO3)4 by Inelastic Neutron Scattering”
  5. Hiroki Takahashi, Akira Sugimoto, Yusuke Nambu, Touru Yamauchi, Yasuyuki Hirata, Takateru Kawakami, Maxim Avdeev, Kazuyuki Matsubayashi, Fei Du, Chizuru Kawashima, Hideto Soeda, Satoshi Nakano, Yoshiya Uwatoko, Yutaka Ueda, Taku J. Sato, Kenya Ohgushi, Nature Mater. 14, 1008–1012 (2015).
    “Pressure-induced Superconductivity in the Iron-based Ladder Material BaFe2S3”
  6. Takafumi Hawai, Yusuke Nambu, Kenya Ohgushi, Fei Du, Yasuyuki Hirata, Maxim Avdeev, Yoshiya Uwatoko, Yurina Sekine, Hiroshi Fukazawa, Jie Ma, Songxue Chi, Yutaka Ueda, Hideki Yoshizawa, Taku J. Sato, Phys. Rev. B 91, 184416 (2015).
    “Temperature and composition phase diagram in the iron-based ladder compounds Ba1-xCsxFe2Se3”
  7. Bosen Wang and Kenya Ohgushi, J. Phys. Soc. Jpn. 84, 044707 (2015).
    “Optimum-doped superconductivity associated with the phonon softening in vanadium-based compounds with the anti-post-perovskite structure”
  8. D. Ootsuki, N. L. Saini, F. Du, Y. Hirata, K. Ohgushi, Y. Ueda, and T. Mizokawa, Phys. Rev. B 91, 014505 (2015).
    “Coexistence of localized and itinerant electrons in BaFe2X3 (X=S and Se) revealed by photoemission spectroscopy”

2014年

  1. W. Malaeb, T. Shimojima, Y. Ishida, T. Kondo, K. Okazaki, Y. Ota, K. Ohgushi, K. Kihou, C.H. Lee, A. Iyo, H. Eisaki, S. Ishida, M. Nakajima, S. Uchida, H. Fukazawa, T. Saito, Y. Kohori, S. Shin , Phys. Rev. B 90, 195124 (2014).
    “Evidence of a universal relation between electron-mode coupling and Tc in Ba1-xKxFe2As2 superconductor from Laser ARPES “
  2. Fei Du, Yasuyuki Hirata, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Yutaka Ueda, and Kenya Ohgushi, Phys. Rev. B 90, 085143 (2014).
    “Doping- and pressure-induced change of electrical and magnetic properties in the Fe-based spin-ladder compound BaFe2Se3”
  3. T. Kurumaji, K. Ohgushi, and Y. Tokura, Phys. Rev. B 89, 195126 (2014).
    “Magnetoelectric responses from the respective magnetic R and Fe subsystems in the noncentrosymmetric antiferromagnets RFe3(BO3)4 (R = Eu, Gd, and Tb) “
  4. B. S. Wang, J.-G. Cheng, K. Matsubayashi, Y. Uwatoko, and K. Ohgushi, Phys. Rev. B, 89, 144510 (2014).
    “High-pressure effects in anti-post-perovskite superconductors V3PnNx (Pn = P, As)”
  5. M. Moretti Sala, K. Ohgushi, A. Al-Zein, Y. Hirata, G. Monaco, M. Krisch, Phys. Rev. Lett. 112, 176402 (2014).
    “CaIrO3: a Spin-Orbit Mott Insulator Beyond the jeff = 1/2 Ground State”
  6. T. Shimojima, W. Malaeb, K. Ohgushi, A. Chainani, S. Shin, S. Ishida, M. Nakajima, S. Uchida, T. Saito, H. Fukazawa, Y. Kohori, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki, and K. Ishizaka, Phys. Rev. B 89, 045101 (2014).
    “Anomalous two peak structure in the Angle-resolved Photoemission Spectra of Ba1-xKxFe2As2 “

2013年

  1. Bosen Wang, and Kenya Ohgushi, Sci. Rep. 3, 3381 (2013).
    “Superconductivity in anti-post-perovskite vanadium compounds”
  2. Ikuya Yamada, Hidenobu Etani, Kazuki Tsuchida, Shohei Marukawa, Naoaki Hayashi, Takateru Kawakami, Masaichiro Mizumaki, Kenya Ohgushi, Yoshihiro Kusano, Jungeun Kim, Naruki Tsuji, Ryoji Takahashi, Norimasa Nishiyama, Toru Inoue, Tetsuo Irifune, and Mikio Takano, Inorg. Chem. 52, 13751 (2013).
    “Control of Bond-Strain-Induced Electronic Phase Transitions in Iron Perovskites”
  3. Chandreyee Ganguli, Kazuyuki Matsubayashi, Kenya Ohgushi, Yoshiya Uwatoko, Moorthi Kanagaraj, Sonachalam Arumugam, Mater. Res. Bull. 48, 4329 (2013). 
    “Hydrostatic pressure (8 GPa) dependence of electrical resistivity of BaCo2As2 single crystal”
  4. Kenya Ohgushi, Jun-ichi Yamaura, Hiroyuki Ohsumi, Kunihisa Sugimoto, Soshi Takeshita, Akihisa Tokuda, Hidenori Takagi, Masaki Takata, and Taka-hisa Arima, Phys. Rev. Lett. 110, 217212 (2013). Press release.
    “Resonant X-Ray Diffraction Study of Strongly Spin-Orbit-Coupled Mott Insulator CaIrO3”
  5. Hidenobu Etani, Ikuya Yamada, Kenya Ohgushi, Naoaki Hayashi, Yoshihiro Kusano, Masaichiro Mizumaki, Jungeun Kim, Naruki Tsuji, Ryoji Takahashi, Norimasa Nishiyama, Toru Inoue, Tetsuo Irifune, and Mikio Takano, J. Am. Chem. Soc. 135, 6100 (2013).
    “Suppression of Intersite Charge Transfer in Charge-Disproportionated Perovskite YCu3Fe4O12”
  6. Y. Hirata, M. Nakajima, Y. Nomura, H. Tajima, Y. Matsushita, K. Asoh, Y. Kiuchi, A. G. Eguiluz, R. Arita, T. Suemoto, and K. Ohgushi, Phys. Rev. Lett. 110, 187402 (2013).
    “Mechanism of enhanced optical second-harmonic generation in the conducting pyrochlore-type Pb2Ir2O7-x oxide compound”
  7. Yasuyuki Hirata, Kenya Ohgushi, Jun-ichi Yamaura, Hiroyuki Ohsumi, Soshi Takeshita, Masaki Takata, Takahisa Arima, Phys. Rev. B 87, 161111 (2013).
    “Complex Orbital State Stabilized by Strong Spin-Orbit Coupling in a Metallic Iridium Oxide IrO2”
  8. M. Ochi, I. Yamada, K. Ohgushi, Y. Kusano, M. Mizumaki, R. Takahashi, S. Yagi, N. Nishiyama, T. Inoue, and T. Irifune, Inorg. Chem. 52, 3985 (2013).
    “B-Site Deficiencies in A-site-Ordered Perovskite LaCu3Pt3.75O12”
  9. V. Kocsis, S. Bordacs, D. Varjas, K. Penc, A. Abouelsayed, C.A. Kuntscher, K. Ohgushi, Y. Tokura, and I. Kezsmarki, Phys. Rev. B 87, 064416 (2013). 
    “Magnetoelasticity in ACr2O4 spinel oxides (A=Mn, Fe, Co, Ni, and Cu)”
  10. Yasuyuki Hirata, Hiroyuki Tajima, and Kenya Ohgushi, J. Phys. Soc. Jpn, 82 035002 (2013).
    “Observation of Phonon-Assisted Magnon Absorption in Spin-Orbit Coupling Induced Mott Insulator Sr2IrO4”
  11. K. Shiro, I. Yamada, N. Ikeda, K. Ohgushi, M. Mizumaki, R. Takahashi, N. Nishiyama, T. Inoue, and T. Irifune, Inorg. Chem 52, 1604 (2013). 
    “Pd2+-incorporated Perovskite CaPd3B4O12 (B = Ti, V)”

2012年

  1. W. Malaeb, T. Shimojima, Y. Ishida, K. Okazaki, Y. Ota, K. Ohgushi, K. Kihou, T. Saito, C. H. Lee, S. Ishida, M. Nakajima, S. Uchida, H. Fukazawa, Y. Kohori, A. Iyo, H. Eisaki, C.-T. Chen, S. Watanabe, H. Ikeda, S. Shin, Phys. Rev. B 86, 165117 (2012).
    “Abrupt change in the energy gap of superconducting Ba1-xKxFe2As2 single crystals with hole doping”
  2. Fei Du, Kenya Ohgushi, Yusuke Nambu, Takateru Kawakami, Maxim Avdeev, Yasuyuki Hirata, Yoshitaka Watanabe, Taku J Sato, and Yutaka Ueda, Phys. Rev. B 85, 214436 (2012).
    “Stripelike magnetism in a mixed-valence insulating state of the Fe-based ladder compound CsFe2Se3”
  3. J. Yamaura, K. Ohgushi, H. Ohsumi, T. Hasegawa, I. Yamauchi, K. Sugimoto, S. Takeshita, A. Tokuda, M. Udagawa, M Takigawa, H. Harima, T. Arima, and Z. Hiroi, Phys. Rev. Lett. 108, 247205 (2012).
    “Tetrahedral Magnetic Order and the Metal-Insulator Transition in the Pyrochlore Lattice of Cd2Os2O7”
  4. Kenya Ohgushi, and Yoko Kiuchi, Phys. Rev. B 85, 064522 (2012).
    “Doping dependence of Hall coefficient and evolution of coherent electronic state in the normal state of Fe-based superconductor Ba1-xKxFe2As2”
  5. Yusuke Nambu, Kenya Ohgushi, Shunpei Suzuki, Fei Du, Maxim Avdeev, Yoshiya Uwatoko, Koji Munakata, Hiroshi Fukazawa, Songxue Chi, Yutaka Ueda, and Taku Sato, Phys. Rev. B, 85 064413 (2012).
    “Block magnetism coupled with local distortion in the iron-based spin-ladder compound BaFe2Se3”
  6. Ken Niwa, Nobuyoshi Miyajima, Yusuke Seto, Kenya Ohgushi, Hirotada Gotou, and Takehiko Yagi, Phys. Earth Planet. Inter. 194-195, 10 (2012).
    “In situ observation of shear stress-induced perovskite to post-perovskite phase transition in CaIrO3 and the development of its deformation texture in a diamond-anvil cell up to 30 GPa”

2011年

  1. K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y Ueda, Y. Uwatoko, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, and I. Umehara,Phys. Rev. B 84, 024502 (2011).
    “Pressure-induced changes in the magnetic and valence state of EuFe2As2”
  2. I. Yamada, K. Tsuchida, K. Ohgushi, N. Hayashi, J. Kim, N. Tsuji, R. Takahashi, M. Matsushita, N. Nishiyama, T. Inoue, T. Irifune, K. Kato, M. Takata, and M. Takano, Angew. Chem. Int. Ed. 50, 6579 (2011).
    “Giant Negative Thermal Expansion in a Novel Iron Perovskite SrCu3Fe4O12”
  3. T. Shimojima, F. Sakaguchi, K. Ishizaka, Y. Ishida, T. Kiss, M. Okawa, T. Togashi, C.-T. Chen, S. Watanabe, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, K. Ohgushi, S. Kasahara, T. Terashima, T. Shibauchi, Y. Matsuda, A. Chainani, and S. Shin, Science 332, 564 (2011).
    “Orbital-Independent Superconducting Gaps in Iron-Pnictides”
  4. Kenya Ohgushi, Jun-ichi Yamaura, Masaki Ichihara, Yoko Kiuchi, Takashi Tayama, Toshiro Sakakibara, Hirotada Gotou, Takehiko Yagi, and Yutaka Ueda, Phys. Rev. B 83, 125103 (2011).
    “Structural and electronic properties of pyrochlore-type A2Re2O7 (A= Ca, Cd, and Pb)”
  5. Kenya Ohgushi, Ayako Yamamoto, Yoko Kiuchi, Chandreyee Ganguli, Kazuyuki Matsubayashi, Yoshiya Uwatoko, and Hidenori Takagi, Phys. Rev. Lett. 106, 017001 (2011). [Selected as an Editors’ Suggestion]
    “Superconducting Phase at 7.7 K in the HgxReO3 Compound with a Hexagonal Bronze Structure “
  6. Ken Niwa, Takehiko Yagi, and Kenya Ohgushi, Phys. and Chem. of Minerals, 38, 21 (2011).
    “Elasticity of CaIrO3 with perovskite and post-perovskite structure”

2010年

  1. Shunpei Suzuki, Kenya Ohgushi, Yoko Kiuchi, and Yutaka Ueda, Phys. Rev. B 82, 184510 (2010). [Virtual Journal of Applications of Superconductivity, Volume 19, Issue 10.]
    “Transition from antiferromagnetism to superconductivity in the compensated metallic state of Ba1-xKx(Fe1-yCoy)2As2”
  2. Ikuya Yamada, Yuka Takahashi, Kenya Ohgushi, Norimasa Nishiyama, Ryoji Takahashi, Kohei Wada, Takehiro Kunimoto, Hiroaki Ohfuji, Yohei Kojima, Toru Inoue, and Tetsuo Irifune, Inorg. Chem. 49, 6778 (2010).
    “CaCu3Pt4O12: The First Perovskite with the B Site Fully Occupied by Pt4+”
  3. S. Bordacs, I. Kezsmarki, K. Ohgushi, and Y. Tokura, New J. Phys. 12, 053039 (2010).
    “Experimental band structure of the nealy half-metallic CuCr2Se4: An optical and magneto-optical study”
  4. T. Shimojima, K. Ishizaka, Y. Ishida, N. Katayama, K. Ohgushi, T. Kiss, M. Okawa, T. Togashi, X.-Y. Wang, C.-T. Chen, S. Watanabe, R. Kadota, T. Oguchi, A. Chainani, and S. Shin, Phys. Rev. Lett. 104, 057002 (2010).
    “Orbital-Dependent Modifications of Electronic Structure across the Magnetostructural Transition in BaFe2As2”
  5. J.-H. Chung, K. Ohgushi, and Y. Ueda, J. Magn. Magn. Mater. 322, 832 (2010).
    “Magnetic phase diagrams of the multicritical olivine Mn2SiS4 and Mn2GeS4”

2009年

  1. K. Kitagawa, N. Katayama, H. Gotou, T. Yagi, K. Ohgushi, T. Matsumoto, Y. Uwatoko, and M. Takigawa, Phys. Rev. Lett. 103, 257002 (2009).
    “Spontaneous formation of a superconducting and antiferromagnetic hybrid state in SrFe2As2”
  2. Naoyuki Katayama, Yoko Kiuchi, Yoshitaka Matsushita, and Kenya Ohgushi, J. Phys. Soc. Jpn. 78, 123702 (2009).
    “Variation of Electronic State in Ba(Fe1-xCox)2As2 Alloy as Investigated by Transport Properties”
  3. S. Bordacs, D. Varjas, I. Kezsmarki, G. Mihaly, L. Baldassarre, C.A. Kuntscher, K. Ohgushi, and Y. Tokura, Phys. Rev. Lett., 103, 077205 (2009).
    “Magnetic order induced crystal symmetry lowering in ACr2O4 ferrimagnetic spinels”
  4. K. Matsubayashi, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, and Y. Uwatoko; J. Phys. Soc. Jpn. 78, 073706 (2009).
    “Intrinsic Properties of AFe2As2 (A = Ba, Sr) Single Crystal under Highly Hydrostatic Pressure Conditions”
  5. K. Kitagawa, N. Katayama, K. Ohgushi, and M. Takigawa; J. Phys. Soc. Jpn. 78, 063706 (2009).
    “Antiferromagnetism of SrFe2As2 Studied by Single-Crystal 75As-NMR”
  6. M. Matsubara, Y. Shimada, K. Ohgushi, T. Arima, and Y. Tokura, Phys. Rev. B 79, 180407 (2009).
    “Resonant x-ray magnetoelectric effect in a centrosymmetric spinel oxide”

2008年

  1. K. Kitagawa, N. Katayama, K. Ohgushi, M. Yoshida, and M. Takigawa, J. Phys. Soc. Jpn. 77, 114709 (2008).
    “Commensurate itinerant antiferromagnetism in BaFe2As2: 75As-NMR studies on a self-flux grown single crystal”
  2. K. Kimura, H. Nakamura, K. Ohgushi, and T. Kimura, Phys. Rev. B 78, 140401(R) (2008).
    “Magnetoelectric control of spin-chiral ferroelectric domains in a triangular lattice antiferromagnet”
  3. H. Murakawa, Y. Onose, K. Ohgushi, S. Ishiwata, and Y. Tokura, J. Phys. Soc. Jpn. 77, 043709 (2008).
    “Generation of electric polarization with rotating magnetic field in helimagnet ZnCr2Se4”
  4. Kenya Ohgushi, Yoichi Okimoto, Takeshi Ogasawara, Shigeki Miyasaka, and Yoshinori Tokura, J. Phys. Soc. Jpn. 77, 034713 (2008).
    “Magnetic, Optical , and Magneto-optical Properties of Spinel-type ACr2X4 (A = Mn, Fe, Co, Cu, Zn, Cd; X = O, S, Se)”
  5. Kenya Ohgushi, Yoshitaka Matsushita, Nobuyoshi, Miyajima, Yoshio Katsuya, Masahiko Tanaka, Fujio Izumi, Hirotada Gotou, Yutaka Ueda, and Takehiko Yagi, Phys. and Chem. of Minerals, 35, 189 (2008).
    “CaPtO3 as a Novel Post-Perovskite Oxide”

2007年

  1. Ken Niwa, Takehiko Yagi, Kenya Ohgushi, Nobuyoshi Miyajima, Takumi Kikegawa, and Sebastien Merkel, Phys. and Chem. of Minerals 34, 679 (2007).
    “Lattice preferred orientation in CaIrO3 perovskite and post-perovskite formed by plastic deformation under pressure“
  2. A. Higashiya, S. Imada, A. Yamasaki, A. Irizawa, A. Sekiyama, S. Suga, Y. Taguchi, M. Iwama, K. Ohgushi, and Y. Tokura, Phys. Rev. B 75, 155106 (2007).
    “Evidence of electron correlation playing essential roles in the metal to insulator transition of pyrochlore-type molybdates R2Mo2O7”
  3. T. Arima, Y. Yamasaki, T. Goto, S. Iguchi, K. Ohgushi, S. Miyasaka, and Y. Tokura, J. Phys. Soc. Jpn. 76, 023602 (2007).
    “Spin-lattice coupling in ferroelectric helical magnets: Comparison between the cases of (Tb,Dy)MnO3 and CoCr2O4”

2006年

  1. K. Ohgushi, H. Gotou, T. Yagi, Y. Kiuchi, F. Sakai, and Y. Ueda, Phys. Rev. B 74, 241104(R) (2006).
    “Metal-Insulator Transition in Ca1-xNaxIrO3 with Post-Perovskite Structure”
  2. Takeshi Ogasawara, Kenya Ohgushi, Hiroshi Okamoto, Yoshinori Tokura, J. Phys. Soc. Jpn., 75, 083707 (2006). [Papers of Editor’s Choice]
    “Photoinduced dynamics of sublattice magnetization in ferrimagnets: FeCr2S4 and CoCr2S4”
  3. Nobuyoshi Miyajima, Kenya Ohgushi, Masaki Ichihara, and Takehiko Yagi,Geophys. Res. Lett. 33, L12302 (2006). 
    “Crystal morphology and dislocation microstructures of CaIrO3, A TEM study of an analogue of the MgSiO3 post perovskite phase”
  4. K. Ohgushi, H. Gotou, T. Yagi, and Y. Ueda, J. Phys. Soc. Jpn. 75, 023707 (2006).
    “High-pressure synthesis and magnetic properties of orthorhombic CuRh2O4”
  5. K. Ohgushi, S. Miyasaka, and Y. Tokura, J. Phys. Soc. Jpn. 75, 013710 (2006). 
    “Anisotropic anomalous Hall effect of topological origin in carrier-doped FeCr2S4”

2005年以前

  1. K. Ohgushi, and Y. Ueda, Phys. Rev. Lett. 95, 217202 (2005). 
    “Anomalous magnetic properties near the spin-flop bicritical point in Mn2AS4 (A = Si and Ge)”
  2. K. Ohgushi, T. Ogasawara, Y. Okimoto, S. Miyasaka, and Y. Tokura, Phys. Rev. B 72, 155114 (2005).
    “Gigantic Kerr rotation induced by a d-d transition resonance in MCr2S4 (M = Mn, Fe)”
  3. T. Ogasawara, K. Ohgushi, Y. Tomioka, K. S. Takahashi, H. Okamoto, M Kawasaki, and Y. Tokura, Phys. Rev. Lett. 94, 087202 (2005).
    “General features of photoinduced spin dynamics in ferromagnetic and ferrimagnetic compounds”
  4. Y. Taguchi, K. Ohgushi, and Y. Tokura, Phys. Rev. B 65, 115102 (2002).　
    “Optical probe of the metal-insulator transition in pyrochlore-type molybdate”
  5. K. Ohgushi, S. Murakami, and N. Nagaosa, Phys. Rev. B 62, R6065 (2000).
    “Spin anisotropy and quantum Hall effect in the kagome lattice: Chiral spin state based on a ferromagnet”

会議録

  1. C. Kawashima, H. Soeda, H. Takahashi, T. Hawai, Y. Nambu, T.J. Sato, Y. Hirata, and K. Ohgushi, J. Phys. Conf. Ser. 950 042031 (2017).
    “High-pressure electrical resistivity studies for Ba1xCsxFe2Se3”
  2. S. Hayashida, M. Soda, S. Itoh, T. Yokoo, K. Ohgushi, D. Kawana, and T. Masuda, Proceedings to ECNS2015, J. Phys. Conf. Ser. 746, 012059 (2016).
    “Crystal field excitations on NdFe3(BO3)4 investigated by inelastic neutron scattering”
  3. Shohei Hayashida, Minoru Soda, Shinichi Itoh, Tetsuya Yokoo, Kenya Ohgushi, Daichi Kawana, and Takatsugu Masuda, Proceedings to ICM2015, Physics Procedia 75, 127–133 (2015). 
    “Inelastic neutron scattering on multiferroics NdFe3(BO3)4”
  4. Yu Kawasaki, Syota Takase, Yutaka Kishimoto, Takashi Ohno, Ikuya Yamada, Kentaro Shiro, Ryoji Takahashi, Kenya Ohgushi, Norimasa Nishiyama, Toru Inoue, Tetsuo Irifune, Proceedings to ICM 2012, J. of Korean Phys. Soc. 63 640 (2013).
    “NMR study of successive magnetic transitions in the A-site ordered perovskite LaMn3Cr4O12”
  5. J. Yamaura, H. Ohsumi, K. Sugimoto, S. Tsutsui, Y. Yoda, S. Takeshita, A. Tokuda, S. Kitao, M. Kurokuzu, M. Seto, I. Yamauchi, K. Ohgushi, M. Takigawa, T. Arima, and Z. Hiroi, Proceedings to SCES2011, J. Phys.: Conf. Ser. 391 012112 (2012).
    “Phase transition and magnetic structure of pyrochlore oxide Cd2Os2O7”
  6. K. Matsubayashi, M. Hedo, I. Umehara, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, and Y. Uwatoko, Proceedings to AIRAPT-22, J. Phys. Conf. Ser. 215, 012187 (2010).
    “High-pressure ac specific heat technique with cubic anvil apparatus”
  7. N. Miyajima, K. Niwa, F. Heidelbach, T. Yagi, and K. Ohgushi, Proceedings to AIRAPT-22, J. Phys. Conf. Ser. 215, 012097 (2010).
    “Deformation microtextures in CaIrO3 post-perovskite under high stress conditions using a laser-heated diamond anvil cell”
  8. M. Tokunaga, I. Katakura, N. Katayama, and K. Ohgushi, Proceedings to RHMF 2009, J. Low Temp. Phys. 159, 601 (2010). 
    “High-Field Studies on Single Crystals of EuFe2As2”
  9. K. Ohgushi, T. Yagi, H. Gotou, Y. Kiuchi, and Y. Ueda, Proceedings to SCES2008,Physica B 404, 3261 (2009).
    “Metallization of quasi-two-dimensional Mott insulator CaIrO3 with S = 1/2 spins”
  10. A Higashiya, S Imada, H Fujiwara, A Sekiyama, S Suga, A Yamasaki, Y Taguchi, M Iwama, K Ohgushi, Y Tokura, and T Ishikawa, Proceedings to LT25,J. Phys.: Conf. Ser. 150, 042055 (2009).
    “Study of electronic states of a pyrochlore-type molybdate (Sm2Mo2O7) at low temperature by means of hard x-ray photoemission spectroscopy”
  11. Kenya Ohgushi, Hirotada Goto, Takehiko Yagi, Yoko Kiuchi, Fumiko Sakai, and Yutaka Ueda, Proceedings to M2S2006, Physica C 460-462, 534 (2007).
    “Ca1-xNaxIrO3 as a novel quasi-two-dimensional Mott transition system”
  12. K. Ohgushi, and Y. Ueda, Proceedings to ICM2006, J. Magn. Magn. Mater. 310, 1291 (2007).
    “Spin-flop multicritical phenomena in Mn2AS4 (A = Si and Ge)”
  13. K. Ohgushi, and Y. Ueda, Proceedings to LT24, AIP Conf. Proc. 850, 1277 (2006).
    “Anomalous Magnetic Properties of Fe2GeS4 and Mn2SiS4”
  14. S. Imada, A, Higashiya, M. Okazaki, M. Kashida, A. Sekiyama, Y. Taguchi, M. Iwama, K. Ohgushi, Y. Tokura, and S. Suga, J. Electron Spectrosc. Relat. Phenom. 144, 711 (2005).
    “Ferromagnetic metal to spin-glass insulator transition in pyrochlore-type molybdates R2Mo2O7 studied with photoemission and XMCD”
  15. Y. Taguchi, Y. Oohara, H. Yoshizawa, N. Nagaosa, T. Sasaki, S. Awaji, Y. Iwasa, T. Tayama, T. Sakakibara, S. Iguchi, K. Ohgushi, T. Ito, and Y. Tokura, J. Phys. C 16, S599 (2004).
    “The spin chirality induced anomalous Hall effect in pyrochlore ferromagnets”

解説

  1. 青山拓也, 大串研也，固体物理 58, 283 (2023). “梯子型鉄系化合物BaFe2(S1-xSex)3におけるネマティック秩序”
  2. 今井良宗, 大串研也, 那波和宏, 佐藤 卓, 清水康弘, 山地洋平, 固体物理 57, 681 (2022). “キタエフスピン液体に着目した新物質開発ー高圧合成法を用いた新しいルテニウムハライドRuBr3, RuI3の発見ー”
  3. 大串研也, 木村 剛, 液晶 25, 152 (2021). “空間反転対称性の破れた量子液晶の探索”
  4. 大串研也, 江見知俊, 固体物理 55, 623 (2020). “BaMn2As2における磁気四極子秩序”
  5. Touru Yamauchi, Hiroki Takahashi, Yusuke Nambu, Taku J. Sato, Yasuyuki
    Hirata, Kenya Ohgushi, Kotaibutsuri, 54, 27 (2019).
    “Pressure-induced Superconductivity in Fe-based Ladder Material BaFe2S3” (Japanese)
    山内 徹, 高橋 博樹, 南部 雄亮, 佐藤 卓, 平田 靖透, 大串 研也, 固体物理 54, 27 (2019).
    「梯子型鉄系化合物BaFe2S3における圧力誘起超伝導」
  6. Kenya Ohgushi, Yasuyuki Hirata, Touru Yamauchi, FSST NEWS 160, 5 (2019).
    “Chemical substitution effects in Fe-based superconductors with the ladder structure” (Japanese)
    大串 研也, 平田 靖透, 山内 徹
    「梯子型鉄系超伝導体の元素置換効果」
  7. 大串 研也, 物性研究電子版　Vol. 6 No. 1, 061207　(2017年2月号）.　
    「固体の量子伝導の理解に向けて」（J-Physics夏の学校）
  8. 大串 研也, 物性研究電子版　Vol. 4 No. 4, 044208　(2015年11月号）.　
    「遷移金属化合物における強相関電子物性」（第60回物性若手夏の学校：集中ゼミ）
  9. Kenya Ohgushi, Fine Ceramiscs Report 33, 47 (2015). 
    “Discovery of New V-based Superconductor” (Japanese)
    大串 研也, FCレポート 33, 47 (2015).
    「新しいバナジウム系超伝導体の発見」
  10. Kenya Ohgushi, Function & Materials 34, 60 (2014).
    “Discovery of Superconductor with Anti-Post-Perovskite Structure”(Japanese)
    大串 研也, 月刊機能材料 34, 60-66 (2014).
    「アンチポストペロブスカイト構造を有する超伝導体の発見」
  11. Kenya Ohgushi, Hiroyuki Ohsumi, Jun-ichi Yamaura, and Takahisa Arima, Journal of the Crystallographic Society of Japan, 56, 36 (2014).
    “Magnetic structure of post-perovskite compound CaIrO3” (Japanese)
    大串 研也, 大隅寛幸, 山浦淳一, 有馬孝尚, 日本結晶学会, 56, 36 (2014). 
    「ポストペロブスカイト型化合物CaIrO3の磁気構造」
  12. Jun-ichi Yamaura, Kenya Ohgushi and Zenji Hiroi, Journal of the Crystallographic Society of Japan 55，116 （2013）.
    “Study of the Low-temperature Magnetic Structure of the 5d Transition Metal Pyrochlore Oxide” (Japanese)
    山浦 淳一, 大串 研也, 広井 善二, 日本結晶学会誌 55，116 （2013）.
    「5d遷移金属パイロクロア酸化物における低温磁気構造の研究」
  13. Kenya Ohgushi, CERAMICS JAPAN 46, 392 (2011).
    “Material Science in Post-perovskite Oxide” (Japanese)
    大串研也, セラミックス, 46, 392 (2011).
    「ポストペロブスカイトの物性科学」
  14. Kenya Ohgushi, The review of high pressure science and technology 18, 237 (2008).
    “Exploratory Synthesis and Characterization of Post-Perovskite Oxide” (Japanese)
    大串研也, 高圧力の科学と技術, 18, 237 (2008).
    「ポストペロブスカイトアナログ物質の探索および物性研究」
  15. S. Murakami, K. Ohgushi, and N. Nagaosa, Bussei-Kenkyu(Kyoto)), 75, 57 (2000).
    “Anomalous Hall effect in Frustrated Ferromagnets” (Japanese)
    村上 修一, 大串 研也, 永長 直人, 物性研究, 75(1), 57 (2000).
    「フラストレーションのある強磁性体における異常ホール効果」

特許

  1. 岩井伸一郎、川上洋平、天野辰哉、大串研也、米満賢治、「光スイッチ素子、光スイッチ装置、光通信システム及び光コンピュータ」出願番号: PCT/JP2021/044368(特願2020-203352) (出願日: 2021/12/2)
  2. 独立行政法人産業技術総合研究所, 小笠原剛, 大串研也, 岡本博, 十倉好紀, 特許第4336773号.
    “パルス磁場発生装置”

学位論文

  1. Doctor Thesis, Department of Applied Physics, University of Tokyo (2004).
    “Electronic Properties of Spinel-type Chromium compounds” (in Japanese)
    「スピネル型クロム化合物の電子物性」
  2. Master Thesis, Department of Applied Physics, University of Tokyo (2000).
    “Skyrmion Excitation and Quantum Transport in Itinerant Ferromagnets”
  3. Bachelor Thesis, Department of Applied Physics, University of Tokyo (1998).
    “Metal-Insulator Transition in Pyrochlore-type Molybdates” (in Japanese)
    「パイロクロア型モリブデン酸化物の金属・絶縁体転移」
ホーム