論文 - 奥田 哲治
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K. Akimoto, K. Ikeda, T. Yoshida, K. Takasu, T. Izaki, T. Okuda, and T. Katsufuji . Photoinduced dynamics of Ti2O3 . Physical Review B110 ( 15 ) 155158-1 - 155158-8 2024年10月査読 国際誌
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D. Indo, T. Yoshinaga, M. Arizono, K. Takasu, T. Izaki, T. Shirasaki, H. Arai, H. Kuwahara, K. Akimoto, K.Ikeda, T. Katsufuji, and T. Okuda . Successive change from band insulating phase to spin-singlet dimer phase in the pseudobrookite titanate MgTi2O5-Ti3O5 system . Physical Review B109 ( 20 ) 205138-1 - 205138-10 2024年5月査読 国際誌
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M. Okawa, D. Takegami, D. S. Christovam, M. Carcalho, C. –T. Chen, T. Miyoshino, K. Takasu, T. Okuda, C. F. Chang, L. H. Tjeng, and T. Mizokawa . Linear dichroic x-ray absorption response of Ti-Ti dimers along c-axis in Ti2O3 upon Mg substitution . Physical Review B108 195108-1 - 195108-6 2023年11月査読 国際共著
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T. Miyoshino, D. Takegami, A. Melendez-Sans, R. Nakamura, M. Yoshimura, K. –D. Tsuei, K. Takasu, T. Okuda, L. H. Tjeng, and T. Mizokawa . Intra c-axis dimer hybridization and mixed valency in Mg doped Ti2O3 . Physical Review B107 115145-1 - 115145-6 2023年3月査読 国際共著
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T. Saiki, T. Yoshida, K. Akimoto, D. Indo, M. Arizono, T. Okuda, and T. Katsufuji . Selection rule for the photoinduced phase transition dominated by anisotropy of strain in Ti3O5 . Physical Review B105 075134-1 - 075134-11 2022年2月査読
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Yuhki Kondoh, Ryosuke Takei, Tetsuji Okuda, Kazunori Ueno, Yumiko Katayama, Takuo Saiki, Wataru Sekino, Tomomasa Kajita, and Takuro Katsufuji . Metal-insulator transition in Ba3-xSrxNb5O15 . Physical Review B104 125128-1 - 125128-8 2021年9月査読
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R. Takahama, T. Ishii, D. Indo, M. Arizono, C. Terakura, N. Takeshita, Y. Tokura, M. Noda, H. Kuwahara, T. Saiki, T. Katsufuji, R. Kajimoto, and T. Okuda . Structural, magnetic, transport, and thermoelectric properties of the pseudobrookite AlTi2O5-Ti3O5 system . Physical Review Materials4 ( 7 ) 074401-1 - 074401-11 2020年7月査読
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K. Takahashi, R. Kato, M. Okawa, T. Okuda, A. Yasui, E. Ikenaga, K. Ono, N. Hamada, and T. Saitoh . Electronic structure of a delafossite oxide CuAlO2 in comparison with CuCrO2 . Journal of the Physical Society of Japan88 ( 7 ) 074701-1 - 074701-6 2019年6月査読
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Y. Yamashita, T. Okuda, Y. Horibe, S. Mori, and T. Katsufuji . Transport, magnetic, thermoelectric, and structural properties of hollandite titanates BaxTi8O16+δ . Physical Review Materials2 074409-1 - 074409-7 2018年7月査読
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R. Kajimoto, M. Nakamura, N. Murai, S. Shamoto, T. Honda, K. Ikeda, T. Otomo, H. Hata, T. Eto, M. Noda, H. Kuwahara, and T. Okuda . Elastic and dynamical structural properties in La and Mn doped SrTiO3 studied by neutron scattering and their relations with the thermal conductivities . Scientific Reports8 9651-1 - 9651-8 2018年6月査読
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T. Okuda, H. Hata, T. Eto, S. Sobaru, R. Oda, M. Noda, and H. Kuwahara . Low Temperature Specific Heat in Lightly Mn-Substituted Electron-Doped SrTiO3 . Journal of the Physical Society of Japan86 ( 8 ) 084601-1 - 084601-5 2017年7月査読
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T. Okuda, H. Hata, T. Eto, S. Sobaru, K. Nishina, H. Kuwahara, M. Nakamura and R. Kajimoto . Effects of Mn Substitution on Thermoelectric Properties and Thermal Excitations of the Electron-doped Perovskite Sr1-xLaxTiO3 . Journal of the Physical Society of Japan85 094717-1 - 094717-6 2016年8月査読
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R. Murata, T. Sato, T. Okuda, Y. Horibe, H. Tsukasaki, S. Mori, N. Yamaguchi, K. Sugimoto, S. Kawaguchi, M. Takata, and T. Katsufuji . Electronic Phase Transition in Hollandite Titanate BaxTi8O16+x . Physical Review B92 220408(R)-1 - 220408(R)-5 2015年12月査読
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T. Katsufuji, T. Okuda, T. Murata, T. Kanzaki, K. Takayama, and A. Kajita . Universal Behaviors of the Phonon Thermal Conductivity Associated with the Charge/Orbital Ordering in Transition-Metal Oxides . Journal of the Physical Society of Japan85 013703-1 - 013703-5 2015年12月査読
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R. Kajimoto, K. Tomiyasu, K. Nakajima, S. Ohira-Kawamura, Y. Inamura, and T. Okuda . Development of the Spin Correlations in the Geometrically Frustrated Triangular-lattice Heisenberg Antiferromagnet CuCrO2 . Journal of the Physical Society of Japan84 ( 6 ) 074708-1 - 074708-6 2015年6月査読
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R. Horita, K. Ohtani, T. Kai, Y. Murao, H. Nishida, T. Toya, K. Seo, M. Sakai, and T. Okuda . Transport Properties of Anatase-TiO2-Polycrystalline-Film Field-Effect-Transistors Having Electrolyte Gate layers . Japanese Journal of Applied Physics52 ( 11 ) 115803-1 - 115803-7 2013年11月査読
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T. Okuda and S. Miyasaka . Power Law Dependence of Low-temperature Magnetic Specific Heat for the Hole-doped Delafossite CuCr1-xMgxO2 . Journal of the Physical Society of Japan82 ( 6 ) 065001-1 - 065001-2 2013年6月査読
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R. Kajimoto, K. Nakajima, S. Ohira-Kawamura, Y. Inamura, K. Kakurai, T. Hokazono, S. Oozono, and T. Okuda . Effects of Mg, Ag, and Al Substitutions on the Magnetic Excitations in the Triangular-lattice Antiferromagnetic CuCrO2 . Journal of the Physical Society of Japan82 ( 5 ) 054702-1 - 054702-6 2013年5月査読
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T. Yokobori, M. Okawa, K. Konishi, R. Takei, K. Katayama, S. Oozono, T. Shinmura, T. Okuda, H. Wadati, K. Ono, H. Kumigashira, M. Oshima, T. Sugiyama, E. Ikenaga, N. Hamada, and T. Saitoh . Electronic Structure of Hole-doped Delafossite Oxides CuCr1-xMgxO2 . Physical Review B87 ( 19 ) 195124-1 - 195124-8 2013年5月査読
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T. Okuda, S. Oozono, T. Kihara, and M. Tokunaga . Thermal Transport and Magnetotransport Properties of CuCr1-xMgxO2 with a Spin-3/2 Antiferromagnetic Triangular Lattice . Journal of the Physical Society of Japan82 ( 1 ) 014706-1 - 014706-7 2013年1月査読
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J. Fukuyado, K. Narikiyo, M. Akaki, H. Kuwahara, and T. Okuda . Thermoelectric Properties of the Electron-Doped Perovskites Sr1-xCaxTi1-yNbyO3 . Physical Review B85 ( 7 ) 075112-1 - 075112-9 2012年2月査読
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T. Okuda and N. Takeshita . Pressure Effect on the Transport and Magnetic Properties for the Hole-doped Delafossite Oxide CuCr0.97Mg0.03O2 having an S = 3/2 Antiferromagnetic Triangular Sublattice . Journal of the Physical Society of Japan80 ( 7 ) 074711-1 - 074711-4 2011年7月査読
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M. Ikeda, T. Okuda, K. Kato, M. Takata, and T. Katsufuji . Competition between Vanadium Tetramerization and Trimerization in Ba1-xSrxV13O18 . Physical Review B83 134417-1 - 134417-5 2011年4月査読
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T. Okuda, W. Hirata, A. Takemori, S. Suzuki, S. Saijo, S. Miyasaka, and S. Tajima . Thermoelectric Properties of LaFePO1-xFx and LaFeAsO1-xFx - Possibility of the Hidden Mass Enhancement of LaFeAsO1-xFx - . Journal of the Physical Society of Japan80 ( 4 ) 044704-1 - 044704-8 2011年3月査読
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T. Okuda, K. Uto, S. Seki, Y. Onose, Y. Tokura, R. Kajimoto, and M. Matsuda . Effect of Spin Dilution on the Magnetic State of Delafossite Oxide CuCrO2 with an S = 3/2 Antiferromagnetic Triangular Sublattice . Journal of the Physical Society of Japan80 ( 1 ) 014711-1 - 014711-7 2011年1月査読
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R. Kajimoto, K. Nakajima, S. Ohira-Kawamura, Y. Inamura, K. Kaurai, M. Arai, T. Hokazono, S. Oozono, and T. Okuda . Temperature and Ag doping Effect on Magnetic excitations in the Quasi Two-dimensional Triangular Lattice Antiferromagnet CuCrO2 Studied by Inelastic Neutron Scattering . Journal of the Physical Society of Japan79 ( 12 ) 123705-1 - 123705-4 2010年12月査読
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T. Okuda and Y. Fujii . Cosubstitution Effect on the Magnetic, Transport, and Thermoelecrtric Properties of the Electron-doped Perovskite Manganite CaMnO3 . Journal of Applied Physics108 ( 10 ) 103702-1 - 103702-10 2010年11月査読
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H. Yamaguchi, S. Otomo, S. Kimura, M. Hagiwara, K. Kimura, T. Kimura, T. Okuda, and K. Kindo . Clarification of the Spiral-Plane Flop in the Multiferroic Triangular-Lattice Antiferromagnet CuCrO2 by ESR . Physical Review B81 033104-1 - 033104-4 2010年1月査読
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M. Sakai, K. Seo, Y. Ohkawa, and T. Okuda . Electron doping into the surface of SrTiO3 single crystal by using a field effect transistor structure having a polyvinyl alcohol gate insulator layer . Thin Solid Films517 ( 18 ) 5502 - 5507 2009年4月査読
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T. Okuda, T. Kishimoto, K. Uto, T. Hokazono, Y. Onose, Y. Tokura, R. Kajimoto, and M. Matsuda . Dimensional Crossover of Low-energy Magnetic Excitation for Delafossite Oxide Cu1-xAgxCrO2 with a Spin-3/2 Antiferromagnetic Triangular Sublattice . Journal of the Physical Society of Japan78 ( 1 ) 013604-1 - 013604-4 2009年1月査読
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T. Okuda, Y. Beppu, Y. Fujii, T. Onoe, N. Terada, and S. Miyasaka . Specific heat of delafossite oxide CuCr1-xMgxO2 (0≦x≦0.03) . Physical Review B77 134423-1 - 134423-5 2008年4月査読
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T. Okuda, N. Jufuku, S. Hidaka, and N. Terada . Magnetic, Transport, and Thermoelectric Properties of Delafossite Oxides CuCr1-xMgxO2 (0≦x≦0.04) . Physical Review B72 144403-1 - 144403-5 2005年10月査読
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T. Okuda, S. Shintoh and N. Terada . Copper-phtalocyanine field-effect trasistor with a low driving voltage . Journal of Applied Physics96 3586 - 3588 2004年10月査読
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H. Kato, T. Okuda, Y. Okimoto, K. Oikawa, T. Kamiyama, and Y. Tokura . Structural and electric properties of ordered double perovskite A2MReO6 (A = Sr, Ca; M = Mg, Sc, Cr, Mn, Fe, Co, Ni, Zn) . Physical Review B 69 184412-1 - 184412-8 2004年5月査読
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T. Okuda, K.-I. Kobayashi, Y. Tomioka and Y. Tokura . Anomalous Low-Temperature Specific Heat around Metal-Insulator Transition in Ordered Double Perovskite Alloys Sr2Fe(Mo1-yWy)O6 . Physical Review B68 144407 2003年1月査読