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Examination of Charge Order in Mixed Valence Oxide LuFe2O4 by Mossbauer Quadrupole Effect: Shin Nakamura, Takuro Katsufuji

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 90 064702 2021年6月査読有り

勝藤拓郎

Superstructures arising from V trimers with orbital ordering in BaV10O15: Tomomasa Kajita, Hideki Kuwahara, Shigeo Mori, Takuro Katsufuji

PHYSICAL REVIEW RESEARCH 3 033046 2021年7月査読有り最終著者責任著者

勝藤拓郎

Metal-insulator transition in Ba3-xSrxNb5O15: Yuhki Kondoh, Ryosuke Takei, Tetsuji Okuda, Kazunori Ueno, Yumiko Katayama, Takuo Saiki, Wataru Sekino, Tomomasa Kajita, Takuro Katsufuji

Physical Review B 104 125128 2021年9月15日査読有り最終著者責任著者

勝藤拓郎

Large Negative Magnetoresistance in Ba3−xEuxNb5O15: Kenta Iwamoto, Wataru Sekino, Satomi Ito, Yumiko Katayama, Kazunori Ueno, Takuro Katsufuji

Journal of the Physical Society of Japan 91(3) 033702 2022年3月15日査読有り最終著者責任著者

勝藤拓郎

Selection rule for the photoinduced phase transition dominated by anisotropy of strain in Ti3O5: Takuo Saiki, Taishi Yoshida, Kaoru Akimoto, Daigo Indo, Mitsutoshi Arizono, Tetsuji Okuda, Takuro Katsufuji

Physical Review B 105(7) 075134 2022年2月15日査読有り最終著者責任著者

勝藤拓郎

Pump-probe Spectroscopy with Uniaxial Strain for BaV10O15: Takuo Saiki, Kazuma Funahashi, Teruo Yamazaki, Tomomasa Kajita, Takuro Katsufuji

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 90 024704 2021年2月査読有り最終著者責任著者

勝藤拓郎

Orbital and magnetic ordering and domain-wall conduction in ferrimagnet La5Mo4O16: Takuro Katsufuji, Masayuki Miyake, Makoto Naka, Masahito Mochizuki, Sota Kogo, Tomomasa Kajita, Yasuhiro Shimizu, Masayuki Itoh, Takatoshi Hasegawa, Shunsuke Shimose, Shunta Noguchi, Takuo Saiki, Takuro Sato, Fumitaka Kagawa

PHYSICAL REVIEW RESEARCH 3 013105 2021年2月査読有り筆頭著者責任著者

勝藤拓郎

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 102 205133 2020年11月査読有り

勝藤拓郎

Mössbauer Study of Rare-earth Ferroborate NdFe3(BO3)4: Shin Nakamura, Takatsugu Masuda, Kenya Ohgushi, Takuro Katsufuji

Journal of the Physical Society of Japan 89(8) 084703-084703 2020年8月15日査読有り

勝藤拓郎

Structural, magnetic, transport, and thermoelectric properties of the pseudobrookite AlTi2O5−Ti3O5 system: Ryusei Takahama, Toi Ishii, Daigo Indo, Mitsutoshi Arizono, Chieko Terakura, Yoshinori Tokura, Nao Takeshita, Masaaki Noda, Hideki Kuwahara, Takuo Saiki, Takuro Katsufuji, Ryoichi Kajimoto, Tetsuji Okuda

Physical Review Materials 4 074401 2020年7月6日査読有り

勝藤拓郎

Nucleation and growth of orbital ordering: Takuro Katsufuji, Tomomasa Kajita, Suguru Yano, Yumiko Katayama, Kazunori Ueno

Nature Communications 11(1) 2324 2020年5月査読有り筆頭著者責任著者

勝藤拓郎

Nonlinear Behavior in the Electrical Resistance of Strongly Correlated Insulators: T. Katsufuji, H. Ikeda, M. Ashizawa, M. Oike, T. Kajita

J. Phys. Soc. Jpn. 89(4) 044702 2020年3月査読有り筆頭著者責任著者

勝藤拓郎

Change in the optical spectrum of BaV₁₀O₁₅ with applied uniaxial strain: T. Saiki, S. Ohkubo, K. Funahashi, T. Yamazaki, T. Kajita, T. Katsufuji

Phys. Rev. B 101(12) 121111(R) 2020年3月査読有り最終著者責任著者

勝藤拓郎

Temperature-dependent evolution of Ti 3d spectral features at surface of BaxTi₈O_16+δ: S. Dash, H. Enomoto, T. Kajita, K. Ono, K. Horiba, M. Kobayashi, H. Kumigashira, V. Kandyba, A. Giampietri, A. Barinov, F. Stramaglia, N. L. Saini, T. Katsufuji, T. Mizokawa

Phys. Rev. B 100(12) 125153 2019年9月査読有り

勝藤拓郎

Local Structure and Magnetic Structure of Spinel Oxide MnV₂O₄ Observed by M&oumlssbauer Spectroscopy: S. Nakamura, T. Katsufuji

J. Phys. Soc. Jpn. 88(6) 064703 2019年5月査読有り

勝藤拓郎

Magnetotransport Properties of the Orbital-Ordered State of Ba_1−xSrxV₁₃O₁₈: K. Funahashi, Y. Kakesu, T. Kajita, Y. Obata, Y. Katayama, K. Ueno, T. Suzuki, J. G. Checkelsky, T. Katsufuji

J. Phys. Soc. Jpn. 88(2) 024708 2019年1月査読有り最終著者責任著者

勝藤拓郎

Temperature-dependent valence state within the metallic phase of BaV₁₀O₁₅ probed by hard x-ray photoelectron spectroscopy: S. Dash, M. Okawa, T. Kajita, T. Yoshino, R. Shimoyama, K. Takahashi, Y. Takahashi, R. Takayanagi, T. Saitoh, A. Yasui, E. Ikenaga, N. L. Saini, T. Katsufuji, T. Mizokawa

Phys. Rev. B 99(3) 035122 2019年1月査読有り

勝藤拓郎

Doping effect on orthorhombic Sr₂VO₄ with s=1/2 dimers: K. Funahashi, T. Higashide, T. Ueno, K. Tasaki, Y. Tahara, M. Adachi, T. Saiki, T. Kajita, T. Katsufuji

Phys. Rev. B 98(18) 184422 2018年11月査読有り最終著者責任著者

勝藤拓郎

Strongly correlated oxides for energy harvesting: Jobu Matsuno, Jun Fujioka, Tetsuji Okuda, Kazunori Ueno, Takashi Mizokawa, Takuro Katsufuji

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 19(1) 899-908 2018年10月査読有り

勝藤拓郎

Transport, magnetic, thermoelectric, and structural properties of hollandite titanates Ba_xTi₈O_16+δ: Y. Yamashita, T. Okuda, S. Mori, Y. Horibe, R. Murata, T. Katsufuji

Phys. Rev. Materials 2(7) 74409-74409 2018年7月査読有り最終著者責任著者

勝藤拓郎

Electronic states and possible origin of the orbital-glass state in a nearly metallic spinel cobalt vanadate: An x-ray magnetic circular dichroism study: Yosuke Nonaka, Goro Shibata, Rui Koborinai, Keisuke Ishigami, Shoya Sakamoto, Keisuke Ikeda, Zhendong Chi, Tsuneharu Koide, Arata Tanaka, Takuro Katsufuji, Atsushi Fujimori

Physical Review B 97(20) 205126 2018年5月22日査読有り

勝藤拓郎

Thermal conductivity of SrVO₃−SrTiO₃ thin films: Evidence of intrinsic thermal resistance at the interface between oxide layers: T. Katsufuji, T. Saiki, S. Okubo, Y. Katayama, K. Ueno

Phys. Rev. Materials 2(5) 051002(R) 2018年5月査読有り筆頭著者責任著者

勝藤拓郎

Anomalous double-stripe charge ordering in β−NaFe₂O₃ with double triangular layers consisting of almost perfect regular Fe₄ tetrahedra: S. Kobayashi, H. Ueda, C. Michioka, K. Yoshimura, S. Nakamura, T. Katsufuji, H. Sawa

Phys. Rev. Materials 2(5) 054402 2018年5月査読有り

勝藤拓郎

Anomalous metallic state with strong charge fluctuations in Ba_xTi₈O_16+δ revealed by hard x-ray photoemission spectroscopy: S. Dash, T. Kajita, M. Okawa, T. Saitoh, E. Ikenaga, N. L. Saini, T. Katsufuji, T. Mizokawa

Phys. Rev. B 97(16) 165116 2018年4月10日査読有り

勝藤拓郎

V 2p core-level spectroscopy of V²⁺/V³⁺mixed valence AV<inf>10</inf>O<inf>15</inf>(A = Ba, Sr) and Ba<inf>0.9</inf>Sr<inf>0.1</inf>V<inf>13</inf>O<inf>18</inf>: Dash, S, Kajita, T, Yoshino, T, Saini, N. L, Katsufuji, T, Mizokawa, T

Journal of Electron Spectroscopy and Related Phenomena 223 11-20 2018年2月1日査読有り

勝藤拓郎

Trimerization and orbital ordering in Ba_1−xSr_xV₁₃O₁₈: T. Kajita, Y. Obata, Y. Kakesu, Y. Imai, Y. Shmizu, M. Itoh, H. Kuwahara, T. Katsufuji

Physical Review B 96(24) 245126-1-245126-7 2017年12月21日査読有り最終著者責任著者

勝藤拓郎

Inhomogeneous electronic states associated with charge-orbital order/disorder in BaV10O15 probed by photoemission spectromicroscopy: T. Yoshino, K. Wakita, E. Paris, A. Barinov, T. Kajita, T. Katsufuji, V. Kandyba, T. Sugimoto, T. Yokoya, N. L. Saini, T. Mizokawa

PHYSICAL REVIEW B 96(11) 115161-115161 2017年9月査読有り

勝藤拓郎

Photoinduced phase transitions over three phases in Ba0.9Sr0.1V13O18: T. Saiki, N. Yamaguchi, Y. Obata, Y. Kakesu, T. Kajita, T. Katsufuji

PHYSICAL REVIEW B 96(3) 035133 2017年7月査読有り最終著者責任著者

勝藤拓郎

Variety of elastic anomalies in an orbital-active nearly itinerant cobalt vanadate spinel: Tadataka Watanabe, Shogo Yamada, Rui Koborinai, Takuro Katsufuji

PHYSICAL REVIEW B 96(1) 014422 2017年7月査読有り

勝藤拓郎

Anomalous relaxation behavior in the resistivity and magnetization of La5Mo4O16: Y. Mizuno, T. Hasegawa, T. Katsufuji

PHYSICAL REVIEW B 95(22) 224436 2017年6月査読有り最終著者責任著者

勝藤拓郎

Time-of-Flight Elastic and Inelastic Neutron Scattering Studies on the Localized 4d Electron Layered Perovskite La5Mo4O16: Kazuki Iida, Ryoichi Kajimoto, Yusuke Mizuno, Kazuya Kamazawa, Yasuhiro Inamura, Akinori Hoshikawa, Yukihiko Yoshida, Takeshi Matsukawa, Toru Ishigaki, Yukihiko Kawamura, Soshi Ibuka, Tetsuya Yokoo, Shinichi Itoh, Takuro Katsufuji

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 86(6) 064803 2017年6月査読有り

勝藤拓郎

Orbital reorientation in MnV2O4 observed by V NMR: Euna Jo, Sejun Park, Jooseop Lee, Soonchil Lee, Jeong Hyun Shim, Takehito Suzuki, Takuro Katsufuji

SCIENTIFIC REPORTS 7 2178 2017年5月査読有り

勝藤拓郎

Electronic properties of Ba_1−xSr_xV₁₃O₁₈ (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

Phys. Rev. B 95(19) 195116 2017年5月査読有り

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