研究者詳細 - 片山　尚幸

論文 - 片山　尚幸

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Molecular Formation and Precursory Local Distortion in Layered LiVX2 (X = O, S, Se) 招待有り査読有り

Katayama, N; Kojima, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 93 巻 ( 11 ) 2024年11月

Pseudo-one-dimensional ribbon chain cluster realized under high pressure in 1T-VSe2 査読有り

Hara, T; Katayama, N; Kitou, S; Kojima, K; Kawaguchi, S; Sawa, H

PHYSICAL REVIEW B 110 巻 ( 2 ) 2024年7月

Short-range order and increased transition temperature in LiVO2 with weakened trimer frustration 査読有り

K Kojima, N Katayama, Y Matsuda, M Shiomi, R Ishii, H Sawa

Physical Review B 107 巻 ( 2 ) 頁： L020101 2023年1月

Composition evolution of crystal structure and negative thermal expansion in pyro-vanadate-phosphate Cu1.8Zn0.2V2-xPxO7 査読有り

Kawakita, M; Ikawa, F; Yagi, K; Kano, M; Kubo, T; Yokoyama, Y; Katayama, N; Okamoto, Y; Hirai, D; Takenaka, K

APPLIED PHYSICS LETTERS 126 巻 ( 9 ) 2025年3月

Diffuse Scattering and Low-Temperature Crystal Structure of τ-Type Molecular Conductor 査読有り

Hara, T; Kitou, S; Katayama, N; Yoshino, H; Sawa, H

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 94 巻 ( 2 ) 2025年2月

Topological electronic structure and transport properties of the distorted rutile-type WO2 査読有り

Muramatsu, Y; Hirai, D; Kawamura, M; Minami, S; Ikeda, Y; Shimada, T; Kojima, K; Katayama, N; Takenaka, K

APL MATERIALS 13 巻 ( 1 ) 2025年1月

Electric field-induced volume change in pyro-vanadate-phosphates: Toward an alternative actuator architecture 査読有り

Takada, K; Shibutani, J; Yagi, K; Ikawa, F; Yokoyama, Y; Hirai, D; Okamoto, Y; Katayama, N; Umena, Y; Chavas, LMGH; Hatano, T; Fujita, A; Takenaka, K

APPLIED PHYSICS LETTERS 125 巻 ( 4 ) 2024年7月

Unveiling the Nature of Chemical Bonds in Real Space 査読有り

Hara, T; Hasebe, M; Tsuneda, T; Naito, T; Nakamura, Y; Katayama, N; Taketsugu, T; Sawa, H

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 146 巻 ( 34 ) 頁： 23825 - 23830 2024年7月

Giant impurity effect on anomalous Hall effect of Mn3Sn 査読有り

Yano, R; Kihara, S; Yoneda, M; Vu, HTN; Suto, H; Katayama, N; Yamaguchi, T; Kuwahara, M; Suzuki, MT; Saitoh, K; Kashiwaya, S

JOURNAL OF CHEMICAL PHYSICS 160 巻 ( 18 ) 2024年5月

Odd-parity multipole order in the spin-orbit coupled metallic pyrochlore Pb2Re2O7-δ 査読有り

Nakayama, Y; Hirai, D; Sagayama, H; Kojima, K; Katayama, N; Lehmann, J; Wang, ZQ; Ogawa, N; Takenaka, K

PHYSICAL REVIEW MATERIALS 8 巻 ( 5 ) 2024年5月

Metastable ordered states induced by low-temperature annealing of δ−Ag2/3V2O5 査読有り国際共著

T. Kubo, K. Kojima, N. Katayama, T. Runčevski, R. E. Dinnebier, A. S. Gibbs, M. Isobe, and H. Sawa

Physical Review B 109 巻頁： 104115 2024年3月

Metastable ordered states induced by low-temperature annealing of δ-Ag2/3V2O5

Kubo, T; Kojima, K; Katayama, N; Runcevski, T; Dinnebier, RE; Gibbs, AS; Isobe, M; Sawa, H

PHYSICAL REVIEW B 109 巻 ( 10 ) 2024年3月

Electroactive actuator composites using volume change induced by insulator-to-metal transition in VO2 査読有り

Takenaka, K; Mizuno, Y; Shibutani, J; Kishida, K; Takada, K; Yagi, K; Yokoyama, Y; Katayama, N; Okamoto, Y; Hirai, D; Hatanó, T; Fujita, A

APPLIED PHYSICS LETTERS 123 巻 ( 23 ) 2023年12月

Fermi surface and light quasi particles in hourglass nodal chain metal ß-ReO2

Hirai, D; Anbai, T; Konoike, T; Uji, S; Hattori, Y; Terashima, T; Ishikawa, H; Kindo, K; Katayama, N; Oguchi, T; Hiroi, Z

JOURNAL OF PHYSICS-CONDENSED MATTER 35 巻 ( 40 ) 2023年10月

Zigzag chain order of LiVSe2 developing away from the vanadium trimer phase transition boundary 査読有り

Kojima, K; Katayama, N; Sugimoto, K; Hirao, N; Ohta, Y; Sawa, H

PHYSICAL REVIEW B 108 巻 ( 9 ) 2023年9月

Structural and Electronic Properties of a Triangular Lattice Magnet NaPrTe2 Compared with NaNdTe2 and NaTbTe2 査読有り

Eto, K; Okamoto, Y; Katayama, N; Ishikawa, H; Kindo, K; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 92 巻 ( 9 ) 2023年9月

Superconductivity in High-Entropy Antimonide M1-x Pt x Sb (M = Equimolar Ru, Rh, Pd, and Ir) 査読有り

Hirai, D; Uematsu, N; Saitoh, K; Katayama, N; Takenaka, K

INORGANIC CHEMISTRY 62 巻 ( 35 ) 頁： 14207 - 14215 2023年8月

Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta) 査読有り

Katayama, N; Matsuda, Y; Kojima, K; Hara, T; Kitou, S; Mitsuishi, N; Takahashi, H; Ishiwata, S; Ishizaka, K; Sawa, H

PHYSICAL REVIEW B 107 巻 ( 24 ) 2023年6月

Temporal Evolution and Fluence Dependence of Band Structure in Photoexcited Ta2Ni0.9Co0.1Se5 Probed by Time- and Angle-Resolved Photoemission Spectroscopy 査読有り

Takahashi, Y; Suzuki, T; Hattori, M; Okawa, M; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Zhong, YG; Liu, KC; Kanai, T; Itatani, J; Shin, S; Okazaki, K; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 92 巻 ( 6 ) 2023年6月

Quasi One-Dimensional Band Structure of Photoinduced Semimetal Phase of Ta2Ni1-xCoxSe5 (x=0.0 and 0.1) 査読有り

Mitsuoka, T; Takahashi, Y; Suzuki, T; Okawa, M; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Watanabe, M; Xu, JD; Ren, QH; Fujisawa, M; Kanai, T; Itatani, J; Okazaki, K; Shin, S; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 92 巻 ( 2 ) 2023年2月

Quasi One-Dimensional Band Structure of Photoinduced Semimetal Phase of Ta2Ni1−xCoxSe5 (x = 0.0 and 0.1) 査読有り

Journal of the Physical Society of Japan 92 巻 ( 2 ) 頁： 023703 2023年2月

Pressure suppression of the excitonic insulator state in Ta2NiSe5 observed by optical conductivity

Okamura, H; Mizokawa, T; Miki, K; Matsui, Y; Noguchi, N; Katayama, N; Sawa, H; Nohara, M; Lu, Y; Takagi, H; Ikemoto, Y; Moriwaki, T

PHYSICAL REVIEW B 107 巻 ( 4 ) 2023年1月

Systematic Study on the Role of the Third Zn-Site Element in Zn21xMgxP2O7 Showing Giant Negative Thermal Expansion

Kasugai, R; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

MATERIALS TRANSACTIONS 64 巻 ( 3 ) 頁： 638 - 642 2023年

Linear Trimer Molecule Formation by Three-Center-Four-Electron Bonding in a Crystalline Solid RuP 査読有り

Hirai, D; Kojima, K; Katayama, N; Kawamura, M; Nishio-Hamane, D; Hiroi, Z

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 144 巻 ( 39 ) 頁： 17857 - 17864 2022年10月

Electrical-field-induced insulator-to-metal transition in samarium monosulfides 査読有り

Kishida, K; Shibutani, J; Hatano, T; Yokoyama, Y; Katayama, N; Okamoto, Y; Nakamura, Y; Kishida, H; Suzuki, HS; Takehana, K; Imanaka, Y; Takenaka, K

APPLIED PHYSICS LETTERS 121 巻 ( 12 ) 2022年9月

負熱膨張性微粒子の開発招待有り査読有り

竹中康司，岡本佳比古，横山泰範，片山尚幸，門脇義史，江藤昂樹，渋谷隼矢，加納雅人，春日井涼太，山田展也

粉体および粉末冶金 69 巻 ( 8 ) 頁： 359 - 355 2022年8月

Do electron distributions with orbital degree of freedom exhibit anisotropy? 査読有り

Manjo, T; Kitou, S; Katayama, N; Nakamura, S; Katsufuji, T; Nii, Y; Arima, TH; Nasu, J; Hasegawa, T; Sugimoto, K; Ishikawa, D; Baron, AQR; Sawa, H

MATERIALS ADVANCES 3 巻 ( 7 ) 頁： 3192 - 3198 2022年4月

Structural phase transition and negative thermal expansion in Cu 1.8 Zn0.2V2-x P x O7 solid solutions 査読有り

Takenaka, K; Kano, M; Kasugai, R; Takada, K; Eto, K; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y

APPLIED PHYSICS EXPRESS 15 巻 ( 2 ) 2022年2月

Charge-ordered state satisfying the Anderson condition in LiRh2O4 arising from local dimer order 査読有り

Shiomi, M; Kojima, K; Katayama, N; Maeda, S; Schneeloch, JA; Yamamoto, S; Sugimoto, K; Ohta, Y; Louca, D; Okamoto, Y; Sawa, H

PHYSICAL REVIEW B 105 巻 ( 4 ) 2022年1月

Structural phase transition and giant negative thermal expansion in pyrophosphate Zn2-xMgxP2O7

Kadowaki, Y; Kasugai, R; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS 119 巻 ( 20 ) 2021年11月

Giant negative thermal expansion of polycrystalline Ti2O3 induced by microstructural effects

Kadowaki, Y; Kasugai, R; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS 119 巻 ( 17 ) 2021年10月

Hybridization-Gap Formation and Superconductivity in the Pressure-Induced Semimetallic Phase of the Excitonic Insulator Ta2NiSe5

Matsubayashi, K; Okamura, H; Mizokawa, T; Katayama, N; Nakano, A; Sawa, H; Kaneko, T; Toriyama, T; Konishi, T; Ohta, Y; Arima, H; Yamanaka, R; Hisada, A; Okada, T; Ikemoto, Y; Moriwaki, T; Munakata, K; Nakao, A; Nohara, M; Lu, YF; Takagi, H; Uwatoko, Y

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 90 巻 ( 7 ) 2021年7月

Detecting electron-phonon coupling during photoinduced phase transition 査読有り

Takeshi Suzuki, Yasushi Shinohara, Yangfan Lu, Mari Watanabe, Jiadi Xu, Kenichi L. Ishikawa, Hide Takagi, Minoru Nohara, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Takashi Mizokawa, Shik Shin, and Kozo Okazaki

Physical Review B 103 巻頁： L121105 2021年3月

Detecting electron-phonon coupling during photoinduced phase transition

Suzuki, T; Shinohara, Y; Lu, YF; Watanabe, M; Xu, JD; Ishikawa, KL; Takagi, H; Nohara, M; Katayama, N; Sawa, H; Fujisawa, M; Kanai, T; Itatani, J; Mizokawa, T; Shin, S; Okazaki, K

PHYSICAL REVIEW B 103 巻 ( 12 ) 2021年3月

Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation 査読有り

Katayama, N; Kojima, K; Yamaguchi, T; Hattori, S; Tamura, S; Ohara, K; Kobayashi, S; Sugimoto, K; Ohta, Y; Saitoh, K; Sawa, H

NPJ QUANTUM MATERIALS 6 巻 ( 1 ) 2021年2月

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3 査読有り

Shunsuke Kitou, Takao Tsumuraya, Hikaru Sawahata, Fumiyuki Ishii, Ko-ichi Hiraki, Toshikazu Nakamura, Naoyuki Katayama, and Hiroshi Sawa

Physical Review B 103 巻頁： 35135 2021年1月

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3

Kitou, S; Tsumuraya, T; Sawahata, H; Ishii, F; Hiraki, K; Nakamura, T; Katayama, N; Sawa, H

PHYSICAL REVIEW B 103 巻 ( 3 ) 2021年1月

Photoinduced Phase Transition from Excitonic Insulator to Semimetal-like State in Ta2N1-xCoxSe5 (x=0.10) 査読有り

Mitsuoka, T; Suzuki, T; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Watanabe, M; Xu, JD; Ren, QH; Fujisawa, M; Kanai, T; Itatani, J; Shin, S; Okazaki, K; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 89 巻 ( 12 ) 2020年12月

Annealing effects on negative thermal expansion properties of ball-milled β-Cu1.8Zn0.2V2O7 fine particles 査読有り

Warne-Lang, V; Sato, M; Ozeki, M; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

CERAMICS INTERNATIONAL 46 巻 ( 17 ) 頁： 27655 - 27659 2020年12月

Direct Observation of Molecular Orbitals Using Synchrotron X-ray Diffraction 招待有り査読有り

Shunsuke Kitou, Yuto Hosogi, Ryo Kitaura, Toshio Naito, Toshikazu Nakamura, and Hiroshi Sawa

Crystals 10 巻頁： 998 2020年11月

Collapse of the simple localized 3d1 orbital picture in Mott insulator 査読有り

Kitou, S; Manjo, T; Katayama, N; Shishidou, T; Arima, T; Taguchi, Y; Tokura, Y; Nakamura, T; Yokoyama, T; Sugimoto, K; Sawa, H

PHYSICAL REVIEW RESEARCH 2 巻 ( 3 ) 2020年9月

High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP 査読有り

Okamoto, Y; Saigusa, K; Wada, T; Yamakawa, Y; Yamakage, A; Sasagawa, T; Katayama, N; Takatsu, H; Kageyama, H; Takenaka, K

PHYSICAL REVIEW B 102 巻 ( 11 ) 2020年9月

Mapping the unoccupied state dispersions in Ta2NiSe5 with resonant inelastic x-ray scattering 査読有り

Monney, C; Herzog, M; Pulkkinen, A; Huang, Y; Pelliciari, J; Olalde-Velasco, P; Katayama, N; Nohara, M; Takagi, H; Schmitt, T; Mizokawa, T

PHYSICAL REVIEW B 102 巻 ( 8 ) 2020年8月

Robust atomic orbital in the cluster magnet LiMoO2 査読有り

Katayama, N; Takeda, H; Yamaguchi, T; Yamada, Y; Iida, K; Takigawa, M; Ohta, Y; Sawa, H

PHYSICAL REVIEW B 102 巻 ( 8 ) 2020年8月

Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles 査読有り

Ozeki, M; Warne-Lang, V; Tsukasaki, H; Sakai, Y; Katayama, N; Okamoto, Y; Azuma, M; Mori, S; Takenaka, K

APPLIED PHYSICS EXPRESS 13 巻 ( 7 ) 頁： . 2020年7月

Sol-gel synthesis of doped Cu2V2O7 fine particles showing giant negative thermal expansion 査読有り

Sato, M; Warne-Lang, V; Kadowaki, Y; Katayama, N; Okamoto, Y; Takenaka, K

AIP ADVANCES 10 巻 ( 7 ) 2020年7月

Regular-triangle trimer and charge order preserving the Anderson condition in the pyrochlore structure of CsW2O6 査読有り

Okamoto, Y; Amano, H; Katayama, N; Sawa, H; Niki, K; Mitoka, R; Harima, H; Hasegawa, T; Ogita, N; Tanaka, Y; Takigawa, M; Yokoyama, Y; Takehana, K; Imanaka, Y; Nakamura, Y; Kishida, H; Takenaka, K

NATURE COMMUNICATIONS 11 巻 ( 1 ) 2020年6月

Spray-dry synthesis of β-Cu1.8Zn0.2V2O7 ceramic fine particles showing giant negative thermal expansion 査読有り

Takenaka, K; Sato, M; Mitamura, M; Yokoyama, Y; Katayama, N; Okamoto, Y

JOURNAL OF THE AMERICAN CERAMIC SOCIETY 103 巻 ( 4 ) 頁： 2757 - 2763 2020年4月

Intercalated Cu+ ion dynamics in the two-dimensional layered compound Cu0.33TiSe2 査読有り

Kitou, S; Hasegawa, T; Nakano, A; Katayama, N; Tsutsui, S; Sawa, H

PHYSICAL REVIEW B 101 巻 ( 9 ) 2020年3月

Negative Thermal Expansion of β-Cu1.8Zn0.2V2O7 Ceramic Fine Particles Synthesized by a Spray-Drying Method

Takenaka, K; Sato, M; Nishikawa, T; Omura, T; Yamada, N; Yokoyama, Y; Katayama, N; Okamoto, Y

JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS 84 巻 ( 5 ) 頁： 161 - 166 2020年

Resistive anisotropy of candidate excitonic insulator Ta2NiSe5 under pressure

Arima H., Naito Y., Kudo K., Katayama N., Sawa H., Nohara M., Lu Y. F., Kitagawa K., Takagi H., Uwatoko Y., Matsubayashi K.

27TH AIRAPT INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY 1609 巻 2020年

Valence-bond insulator in proximity to excitonic instability

Chiba, Y; Mitsuoka, T; Saini, NL; Horiba, K; Kobayashi, M; Ono, K; Kumigashira, H; Katayama, N; Sawa, H; Nohara, M; Lu, YF; Takagi, H; Mizokawa, T

PHYSICAL REVIEW B 100 巻 ( 24 ) 2019年12月

Vanadium trimers randomly aligned along the c-axis direction in layered LiVO2

Kojima, K; Katayama, N; Tamura, S; Shiomi, M; Sawa, H

PHYSICAL REVIEW B 100 巻 ( 23 ) 2019年12月

Exciton Transport in the Electron-Hole System Ta2NiSe5

Nakano, A; Nagai, T; Katayama, N; Sawa, H; Taniguchi, H; Terasaki, I

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 88 巻 ( 11 ) 2019年11月

Linear Trimer Formation with Antiferromagnetic Ordering in 1T-CrSe2 Originating from Peierls-like Instabilities and Interlayer Se-Se Interactions

Kobayashi, S; Katayama, N; Manjo, T; Ueda, H; Michioka, C; Sugiyama, J; Sassa, Y; Forslund, OK; Månsson, M; Yoshimura, K; Sawa, H

INORGANIC CHEMISTRY 58 巻 ( 21 ) 頁： 14304 - 14315 2019年11月

Two magnetization plateaus in the kagome fluoride Cs2LiTi3F12

Shirakami, R; Ueda, H; Jeschke, HO; Nakano, H; Kobayashi, S; Matsuo, A; Sakai, T; Katayama, N; Sawa, H; Kindo, K; Michioka, C; Yoshimura, K

PHYSICAL REVIEW B 100 巻 ( 17 ) 2019年11月

Valence fluctuations and giant isotropic negative thermal expansion in Sm1-xRxS (R= Y, La, Ce, Pr, Nd)

Asai, D; Mizuno, Y; Hasegawa, H; Yokoyama, Y; Okamoto, Y; Katayama, N; Suzuki, HS; Imanaka, Y; Takenaka, K

APPLIED PHYSICS LETTERS 114 巻 ( 14 ) 2019年4月

Effect of Cu intercalation and pressure on excitonic interaction in 1T-TiSe2

Kitou, S; Nakano, A; Kobayashi, S; Sugawara, K; Katayama, N; Maejima, N; Machida, A; Watanuki, T; Ichimura, K; Tanda, S; Nakamura, T; Sawa, H

PHYSICAL REVIEW B 99 巻 ( 10 ) 2019年3月

Quantum magnetisms in uniform triangular lattices Li2AMo3O8 (A = In, Sc)

Iida, K; Yoshida, H; Okabe, H; Katayama, N; Ishii, Y; Koda, A; Inamura, Y; Murai, N; Ishikado, M; Kadono, R; Kajimoto, R

SCIENTIFIC REPORTS 9 巻 2019年2月

Honeycomb lattice type charge density wave associated with interlayer Cu ions ordering in 1T-CuxTiSe2

Kitou, S; Kobayashi, S; Kaneko, T; Katayama, N; Yunoki, S; Nakamura, T; Sawa, H

PHYSICAL REVIEW B 99 巻 ( 8 ) 2019年2月

Giant isotropic negative thermal expansion in Y-doped samarium monosulfides by intra-atomic charge transfer

Takenaka, K; Asai, D; Kaizu, R; Mizuno, Y; Yokoyama, Y; Okamoto, Y; Katayama, N; Suzuki, HS; Imanaka, Y

SCIENTIFIC REPORTS 9 巻 2019年1月

Microstructural effects on negative thermal expansion extending over a wide temperature range in β-Cu1.8Zn0.2V2O7

Katayama, N; Otsuka, AK; Mitamura, M; Yokoyama, Y; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS 113 巻 ( 18 ) 2018年10月

Photo-induced semimetallic states realised in electron-hole coupled insulators

Okazaki, K; Ogawa, Y; Suzuki, T; Yamamoto, T; Someya, T; Michimae, S; Watanabe, M; Lu, YF; Nohara, M; Takagi, H; Katayama, N; Sawa, H; Fujisawa, M; Kanai, T; Ishii, N; Itatani, J; Mizokawa, T; Shin, S

NATURE COMMUNICATIONS 9 巻 2018年10月

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4

Takenaka, K; Inoue, N; Mizuno, Y; Okamoto, Y; Katayama, N; Sakai, Y; Nishikubo, T; Azuma, M

APPLIED PHYSICS LETTERS 113 巻 ( 7 ) 2018年8月

Large entropy change derived from orbitally assisted three-centered two-electron σ bond formation in metallic Li0.33VS2

Katayama, N; Tamura, S; Yamaguchi, T; Sugimoto, K; Iida, K; Matsukawa, T; Hoshikawa, A; Ishigaki, T; Kobayashi, S; Ohta, Y; Sawa, H

PHYSICAL REVIEW B 98 巻 ( 8 ) 2018年8月

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5 査読有り

Akitoshi Nakano, Takumi Hasegawa, Shinya Tamura, Naoyuki Katayama, Satoshi Tsutsui, and Hiroshi Sawa

98 巻頁： 045139 2018年7月

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5

Nakano, A; Hasegawa, T; Tamura, S; Katayama, N; Tsutsui, S; Sawa, H

PHYSICAL REVIEW B 98 巻 ( 4 ) 2018年7月

In-plane spin canting and 1/3-magnetization-plateaulike behavior in S=3/2 Cr3+ kagome lattice antiferromagnets Cs2KCr3F12 and Cs2NaCr3F12

Goto, M; Ueda, H; Michioka, C; Matsuo, A; Kindo, K; Sugawara, K; Kobayashi, S; Katayama, N; Sawa, H; Yoshimura, K

PHYSICAL REVIEW B 97 巻 ( 22 ) 2018年6月

Inhibition of the photoinduced structural phase transition in the excitonic insulator Ta2NiSe5

Mor, S; Herzog, M; Noack, J; Katayama, N; Nohara, M; Takagi, H; Trunschke, A; Mizokawa, T; Monney, C; Stähler, J

PHYSICAL REVIEW B 97 巻 ( 11 ) 2018年3月

Magnetic and Structural Properties of A-Site Ordered Chromium Spinel Sulfides: Alternating Antiferromagnetic and Ferromagnetic Interactions in the Breathing Pyrochlore Lattice

Okamoto, Y; Mori, M; Katayama, N; Miyake, A; Tokunaga, M; Matsuo, A; Kindo, K; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 87 巻 ( 3 ) 2018年3月

Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5

Nakano, A; Sugawara, K; Tamura, S; Katayama, N; Matsubayashi, K; Okada, T; Uwatoko, Y; Munakata, K; Nakao, A; Sagayama, H; Kumai, R; Sugimoto, K; Maejima, N; Machida, A; Watanuki, T; Sawa, H

IUCRJ 5 巻頁： 158 - 165 2018年3月

Direct Visualization of Orbital Flipping in Volborthite by Charge Density Analysis Using Detwinned Data

Sugawara, K; Sugimoto, K; Fujii, T; Higuchi, T; Katayama, N; Okamoto, Y; Sawa, H

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 87 巻 ( 2 ) 2018年2月

Photo-induced semimetallic states realised in electron-hole coupled insulators 査読有り

Kozo Okazaki, Yu Ogawa, Takeshi Suzuki, Takashi Yamamoto, Takashi Someya, Shoya Michimae, Mari Watanabe, Yangfan Lu, Minoru Nohara, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Nobuhisa Ishii, Jiro Itatani, Takashi Mizokawa, and Shik Shin

Nature Communications 頁： accepted 2018年

Investigation of Honeycomb Lattice Consisting of Cu2(pymca)3 Moieties Using Synchrotron Radiation X-ray Structure Analysis

Sugawara, K; Sugimoto, K; Katayama, N; Hagiwara, M; Honda, Z; Sawa, H

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 86 巻 ( 12 ) 2017年12月

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics

Takenaka, K; Shinoda, T; Inoue, N; Okamoto, Y; Katayama, N; Sakai, Y; Nishikubo, T; Azuma, M

APPLIED PHYSICS EXPRESS 10 巻 ( 11 ) 2017年11月

Scaling of Memories and Crossover in Glassy Magnets

Samarakoon, AM; Takahashi, M; Zhang, D; Yang, J; Katayama, N; Sinclair, R; Zhou, HD; Diallo, SO; Ehlers, G; Tennant, DA; Wakimoto, S; Yamada, K; Chern, GW; Sato, TJ; Lee, SH

SCIENTIFIC REPORTS 7 巻 2017年9月

Ultrafast Electronic Band Gap Control in an Excitonic Insulator

Mor, S; Herzog, M; Golez, D; Werner, P; Eckstein, M; Katayama, N; Nohara, M; Takagi, H; Mizokawa, T; Monney, C; Stähler, J

PHYSICAL REVIEW LETTERS 119 巻 ( 8 ) 2017年8月

Successive Dimensional Transition in (TMTTF)2PF6 Revealed by Synchrotron X-ray Diffraction

Kitou, S; Fujii, T; Kawamoto, T; Katayama, N; Maki, S; Nishibori, E; Sugimoto, K; Takata, M; Nakamura, T; Sawa, H

PHYSICAL REVIEW LETTERS 119 巻 ( 6 ) 2017年8月

Ising-like anisotropy stabilized 1/3 and 2/3 magnetization plateaus in the V3+ kagome lattice antiferromagnets Cs2KV3F12, Cs2NaV3F12, and Rb2NaV3F12

Goto, M; Ueda, H; Michioka, C; Matsuo, A; Kindo, K; Sugawara, K; Kobayashi, S; Katayama, N; Sawa, H; Yoshimura, K

PHYSICAL REVIEW B 95 巻 ( 13 ) 2017年4月

Various Arsenic Network Structures in 112-Type Ca1-xLaxFe1-yPdyAs2 Revealed by Synchrotron X-ray Diffraction Experiments

Tamura, S; Katayama, N; Yamada, Y; Sugiyama, Y; Sugawara, K; Sawa, H

INORGANIC CHEMISTRY 56 巻 ( 5 ) 頁： 3030 - 3035 2017年3月

Colossal negative thermal expansion in reduced layered ruthenate 査読有り

K. Takenaka, Y. Okamoto, T. Shinoda, N. Katayama and Y. Sakai

Nature Communications 8 巻頁： 14102 2017年1月

Colossal negative thermal expansion in reduced layered ruthenate

Takenaka, K; Okamoto, Y; Shinoda, T; Katayama, N; Sakai, Y

NATURE COMMUNICATIONS 8 巻 2017年1月

1.Iron arsenides with three-dimensional FeAs layer networks: Can(n+1)/2(Fe1-xPtx)(2+3n)Ptn(n+1)/2As(n+1)(n+2)/2 (n = 2, 3) 査読有り

N. Katayama, S. Onari, K. Matsubayashi, Y. Uwatoko, H. Sawa

6 巻頁： 39280 2016年12月

Absence of Jahn-Teller transition in the hexagonal Ba3CuSb2O9 single crystal

N. Katayama, K. Kimura, Y. Han, J. Nasu, N. Drichiko, Y. Nakanishi, M. Halim, Y. Ishiguro, R. Satake, E. Nishibori, M. Yoshizawa, T. Nakano, Y. Nozue, Y. Wakabayashi, S. Ishihara, M. Hagiwara, H. Sawa, S. Nakatsuji

Proceedings of the National Academy of Sciences of the United States of America 112 巻 ( 30 ) 頁： 9305 2015年7月

Synchrotron X-ray diffraction study of the Structural Phase Transition in Ca10(Ir4As8)(Fe2-xIrxAs2)5

Naoyuki Katayama, Kento Sugawara, Yuki Sugiyama, Takafumi Higuchi, Kazutaka Kudo, Daisuke Mitsuoka, Takashi Mizokawa, Minoru Nohara, and Hiroshi Sawa

Journal of the Physical Society of Japan 83 巻頁： 113707 2014年11月

Excitonic Bose-Einstein condensation above room temperature

K. Seki, Y. Wakisaka, T. Kaneko, T. Toriyama, T. Konishi, T. Sudayama, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, and Y. Ohta

Physical Review B 90 巻頁： 155116 2014年11月

Observation of quadrupole helix chirality and its domain structure in DyFe3(BO3)4

T. Usui, Y. Tanaka, H. Nakajima, M. Taguchi, A. Chainani, M. Oura, S. Shin, N. Katayama, H. Sawa, Y. Wakabayashi, and T. Kimura

Nature Materials 13 巻頁： 611 2014年

Superconductivity in Ca1-xLaxFeAs2 : A Novel 112-Type Iron Pnictide with Arsenic Zigzag Bonds 査読有り

N. Katayama, K. Kudo, S. Onari, T. Mizukami, K. Sugawara, Y. Sugiyama, M. Nohara, and H. Sawa

Journal of the Physical Society of Japan 82 巻頁： 123702 2013年11月

Superconductivity in Ca10(Ir4As8)(Fe2As2)5 with Square-Planar Coordination of Iridium 査読有り

K. Kudo, D. Mitsuoka, M. Takasuga, Y. Sugiyama, K. Sugawara, N. Katayama, H. Sawa, H.S. Kubo, K. Takamori, M. Ichioka, T. Fujii, T. Mizokawa, and M. Nohara

Scientific Reports 3 巻頁： 3101 2013年10月

Spin-Orbital Short-Range Order on a Honeycomb-Based Lattice 査読有り

S. Nakatsuji, K. Kuga, K. Kimura, R. Satake, N. Katayama, E. Nishibori, H. Sawa, R. Ishii, M. Hagiwara, F. Bridges, T. U. Ito, W. Higemoto, Y. Karaki, M. Halim, A. A. Nugroho, J. A. Rodriguez-Rivera, M. A. Green, C. Broholm

Science 336 巻頁： 559-563 2012年

Conductivity and incommensurate antiferromagnetism of Fe1.02Se0.10Te0.90 under pressure 査読有り

N. Katayama, K. Matsubayashi, Y. Nomura, S. Ji, J. Leao, M. A. Green, T. J. Sato, Y. Uwatoko, M. Fujita, K. Yamada, R. Arita and S.-H. Lee

Europhysics Letters 98 巻頁： 37002 2012年

Photoemission Spectroscopy of Ta2NiSe5 査読有り

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama and M. Nohara, H. Takagi

Journal of Superconductivity and Novel Magnetism 25 巻 ( 5 ) 頁： 1231-1234 2012年

Inelastic neutron scattering study of the magnetic fluctuations in Sr2RuO4 査読有り

K. Iida, M. Kofu, N. Katayama, J. Lee, R. Kajimoto, Y. Inamura, M. Arai, Y. Yoshida, M. Fujita, K. Yamada, and S.-H. Lee

Physical Review B 84 巻頁： 060402(R) 2011年

Pressure-induced changes in the magnetic and valence state of EuFe2As2

K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y. Ueda, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, I. Umehara, and Y. Uwatoko

Physical Review B 84 巻頁： 024502 2011年

Investigation of the spin-glass regime between the antiferromagnetic and superconducting phase in Fe1+ySexTe1-x

N. Katayama, S. Ji, D. Louca, S.-H. Lee, M. Fujita, T. J. Sato, J. Wen, Z. Xu, G. Gu, G. Xu, Z. W. Lin, M. Enoki, S. Chang, K. Yamada, J. M. Tranquada

Journal of the Physical Society of Japan 79 巻頁： 113702 2010年

High-Pressure Ac Specific Heat Technique with Cubic Anvil Apparatus

K. Matsubayashi, M. Hedo, I. Umehara, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, Y. Uwatoko

Journal of Physics: Conf. Ser. 215 巻頁： 012187 2010年

High-field studies on single crystals of EuFe2As2

M. Tokunaga, I. Katakura, N. Katayama, K. Ohgushi

Journal of Low Temperature Physics 159 巻頁： 601 2010年

Orbital-Dependent Modifications of Electronic Structure across the Magnetostructural Transition in BaFe2As2

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, S. Shin

Physical Review Letters 104 巻頁： 057002 2010年

The local atomic structure of superconducting Fe-Se-Te

Despina Louca, Kazumasa Horigane, Anna Llobet, Ryotaro Arita, Sungdae Ji, Naoyuki Katayama, Shun Konbu, Kazuma Nakamura, Tae-Yeong Koo, Peng Tong, Kazuyoshi Yamada

Physical Review B 81 巻頁： 134524 2010年

Coupling of spin and orbital excitations in an Fe-based superconductor

S.-H. Lee, Guangyong Xu, W. Ku, J. S. Wen, C. C. Lee, N. Katayama, Z. J. Xu, S. Ji, Z. W. Lin, G. D. Gu, H.-B. Yang, P. D. Johnson, Z.-H. Pan, T. Valla, M. Fujita, T. J. Sato, S. Chang, K. Yamada, J. M. Tranquada

Physical Review B 81 巻頁： 220502(R) 2010年

Absence of nesting in the charge-density-wave system 1T-VS2 as seen by photoelectron spectroscopy

M. Mulazzi, A. Chainani, N. Katayama, R. Eguchi, M. Matsunami, M. Oura, H. Ohashi,Y. Senba, M. Nohara, H. Takagi

Physical Review B 82 巻頁： 075130 2010年

Antiferromagnetism of SrFe2As2 studied by Single-Crystal 75As-NMR

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, and Masashi Takigawa

Journal of the Physical Society of Japan 78 巻頁： 063706 2009年

Local Lattice Distortion and Photo-Induced Phase Transition in Transition-Metal Compounds with Orbital Degeneracy

T. Mizokawa, K. Takubo, T. Sudayama, Y. Wakisaka, N. Takubo, K. Miyano, N. Matsumoto, S. Nagata, Katayama, M. Nohara, H. Takagi, M. Ikeda, N. Kojima, M. Arita, H. Namatame and M. Taniguchi

Journal of Superconductivity and Novel Magnetism 22 巻頁： 67 2009年

Variation in Electronic State of Ba(Fe1-xCox)2As2 Alloy as Investigated in Terms of Transport Properties

N. Katayama, Y. Kiuchi, Y. Matsushita, K. Ohgushi

Journal of the Physical Society of Japan 78 巻頁： 123702 2009年

Excitonic Insulator State in Ta2NiSe5 Probed by Photoemission Spectroscopy

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

Physical Review Letters 103 巻頁： 026402 2009年

Spontaneous Formation of a Superconducting and Antiferromagnetic Hybrid State in SrFe2As2 under High Pressure

K. Kitagawa, N. Katayama, H. Gotou, T. Yagi, K. Ohgushi, T. Matsumoto, Y. Uwatoko, M. Takigawa

Physical Review Letters 103 巻頁： 257002 2009年

Anomalous metallic state in the vicinity of Metal to Valence Bond Solid insulator transition in LiVS2

N. Katayama, M. Uchida, D. Hashizume, S. Niitaka, J. Matsuno, D. Matsumura, Y. Nishihata, J. Mizuki, N. Takeshita, A. Gauzzi, M. Nohara, and H. Takagi

Physical Review Letters 103 巻頁： 146405 2009年

Intrinsic properties of AFe2As2 (A = Ba, Sr) single crystals under highly hydrostatic pressure conditions

Kazuyuki Matsubayashi, Naoyuki Katayama, Kenya Ohgushi, Atsushi, Yamada, Kouji Munakata, Takehiko Matsumoto, and Yoshiya Uwatoko

Journal of the Physical Society of Japan 78 巻頁： 073706 2009年

Trimer V3+ Spin Singlet State and Pseudo Gap in LiVS2 Studied by 51V and 7Li Nuclear Magnetic Resonance

Tetsu TANAKA, Yu KAWASAKI, Shigeki ENDOU, Satoshi KIMURA, Yukiichi IDETA, Yutaka KISHIMOTO, Takashi OHNO, Naoyuki KATAYAMA, Minoru NOHARA, and Hidenori TAKAGI

Journal of the Physical Society of Japan 78 巻頁： 054709 2009年

Commensurate Itinerant Antiferromagnetism in BaFe2As2: 75As-NMR Studies on a Self-Flux Grown Single Crystal

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Makoto Yoshida, and Masashi Takigawa

Journal of the Physical Society of Japan 77 巻頁： 114709 2008年

7Li- and 51V-NMR study of LiVS2

T. Tanaka, Y. Kawasaki, Y. Takagishi, Y. Ideta, Y. Kishimoto, T. Ohno, N. Katayama, M. Nohara, and H. Takagi

Journal of Physics and Chemistry of Solids 69 巻頁： 3142 2008年

Watery superconductivity in misfit-layer sulfides

N. Katayama, M. Nohara, and H. Takagi

Physica C 445 巻頁： 35 2006年

Enhanced Superconducting Transition Temperature in the Water-intercalated Sulfides

N. Katayama, M. Nohara, F. Sakai, and H. Takagi

Journal of the Physical Society of Japan 74 巻頁： 851 2005年

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