Publication list

    If not opened with a click, open as a new tab or new window. クリックしても開かないときは新しいタブあるいはウィンドウで開いてください. 2025 Crystal Structure of Cu2-δTe with van der Waals-Like Interlayer Te−Te Interaction Revealed by Scanning Transmission Electron Microscopy Yuyang Zhang, Norihiko L. Okamoto*, and Tetsu Ichitsubo Chemistry of Materials, in press (2025). Utilizing Surface Water Adsorption on Layered MnO2 Nanosheets for Enhancing Heat Storage Performance Hiroki Yoshisako*, Norihiko L. Okamoto, Kazuya Tanaka*, and Tetsu Ichitsubo Communications Chemistry, 8, 169 (2025). Ultrahigh Power Factor in n-type Chalcopyrite CdSnAs2 Thermoelectrics: The Role of Supercooled Solidification Shoki Kishida, Norihiko L. Okamoto, Ryoji Katsube, Akira Nagaoka, Isshin Sumiyoshi, Kensuke Nishioka, Tetsu Ichitsubo, Yoshitaro Nose* ACS Applied Energy Materials, 8, 7475-7482 (2025). Long-term corrosion behaviour of an ω-resistant, β-type Ti-12Cr-3Sn alloy: Effect of Sn addition on surface passivation and metal ion release in simulated physiological environment Florian Brumbauer, Philipp Brunner, Louis Poitevin, Martin Sterrer, Helmar Wiltsche, Siegfried Arneitz, Manuel P. Kainz, Norihiko L. Okamoto, Tetsu Ichitsubo, Wolfgang Sprengel, Martin Luckabauer Journal of Alloys and Compounds, 1032, 180750 (2025). Microstructural Analysis of Slip Mechanisms in Friction-type Joints Using As-coated Hot-dip Galvanized Steel and High-strength Bolts Norihiko L. Okamoto*, Hayato Kobayashi, and Tetsu Ichitsubo ISIJ International, 65, 688-694 (2025). Enhancing the durability of aluminium-foil anodes in rechargeable lithium batteries via uniformly distributed alloy addition in the matrix phase, Hongyi Li*, Shohei Nishimura, Weiqi Liu, Norihiko L. Okamoto, Shingo Matsumoto, Yuki Nakata, Hiroaki Hoshikawa, Toshiaki Kumagai, Takitaro Yamaguchi and Tetsu Ichitsubo* Journal of Materials Chemistry A, 2025, 13, 5723-5731. Selected as “J Mat Chem A HOT article” Stable functional electrode–electrolyte interface formed by multivalent cation additives in lithium-metal anode batteries, Hongyi Li*, Daichi Shimizu, Rongkang Jin, Tongqing Zhang, Daisuke Horikawa, Katsuhiko Nagaya, Hiroshi Tsubouchi, Hiroyuki Yamaguchi, Motoyoshi Okumura, Tetsu Ichitsubo* Journal of Materials Chemistry A, 2025, 13, 3619-3633. 溶融亜鉛めっき鋼の高力ボルト摩擦接合部すべり機構の微細組織解析 岡本範彦*, 小林駿斗, 市坪哲 鉄と鋼 第111巻, 第6号, 336–343 (2025). 2024 Effects of thermal and non-thermal structural phase transitions on the reflectance of metavalent bonding PbGeTe Hiroshi Tanimura, Yohei Kaise, Takumi Nakajima, Yuji Sutou, Tetsu Ichitsubo J. Appl. Phys. 136, 223101 (2024) Transition Metal Parent Alumylene Complexes: Synthesis, Structures, and XPS Characterization of Aluminum Oxidation State K. Sato, T. Komuro, S. Imashuku, H. Li, T. Ichitsubo*, and H. Hashimoto* Inorg. Chem. 2024, 63, 36, 16940–16948 Why is neutral tin addition necessary for biocompatible β-titanium alloys? –Synergistic effects of suppressing ω transformations Norihiko L. Okamoto, Florian Brumbauer, Martin Luckabauer, Wolfgang Sprengel, Ryota Abe, and Tetsu Ichitsubo Acta Materialia, 273, 119968 (2024). Utilization of Delithiation-Induced Amorphous Oxide as a Cathode for Rechargeable Magnesium Batteries Tomoya Kawaguchi*, Natsumi Nemoto, Hikari Sakurai, Norihiko L. Okamoto, and Tetsu Ichitsubo* Chem. Mater. 2024, 36, 9, 4877–4887 Reversible Tetrahedral-Site Migration Inducing an Additional Charge Compensation Reaction in Li-Rich Layered Oxide 0.4Li2MnO3–0.6LiNi0.5Mn0.5O2, Tomoya Kawaguchi*,Masatsugu Oishi*, Yusuke Fujita, Masaya Izumi, Satoshi Hiroi, Koji Ohara, Norihiko L. Okamoto, and Tetsu Ichitsubo (*equally contributed) Chemistry of Materials, 2024, 36, 9, 4849–4860 Securing cation vacancies to enable reversible Mg insertion/extraction in rocksalt oxides, Tomoya Kawaguchi, Masaya Yasuda, Natsumi Nemoto, Kohei Shimokawa, Hongyi Li, Norihiko L. Okamoto, and Tetsu Ichitsubo J. Mater. Chem. A, 12, 9088 (2024). 2023 Li intercalation in 2D iron phosphate synthesized from the partial dehydration and deprotonation of vivianite, Ryo Yamane, Hongyi Li, Tetsu Ichitsubo, Kazumasa Sugiyama, Physical Chemistry Chemical Physics, 25, 31346 (2023). Minor additions of Sn suppress the omega phase formation in beta titanium alloys, Florian Brumbauer, Norihiko L. Okamoto, Tetsu Ichitsubo, Wolfgang Sprengel, Martin Luckabauer Acta Materialia, 262, 119466 (2024). Atomistic study of liquid fragility and spatial heterogeneity of glassy solids in model binary alloys, Masato Wakeda,Tetsu Ichitsubo, The Journal of NPG Asia Materials. 15(1), 46 (2023). Dual origin of oval electron diffraction pattern in δ-type layered manganese dioxide, Norihiko L. Okamoto, Hiroki Yoshisako  and Tetsu Ichitsubo, The Journal of Physical Chemistry C, 127(42), 20956-20964 (2023). Alkali Cation Additives Assisting Magnesium Cation Intercalation in Hollandite-Type Manganese Dioxide Cathodes, Yue Qi, Hongyi Li, Kohei Shimokawa, Xiatong Ye, Tomoya Kawaguchi and Tetsu Ichitsubo, The Journal of Physical Chemistry C, 127(43), 21271-21278 (2023). Inserting a lithiation potential gap as a factor for degradation control in aluminum-foil anodes by utilizing roll-bonding processes, Hongyi Li, Shohei Nishimura, Yuki Nakata, Shingo Matsumoto, Takitaro Yamaguchi, Hiroaki Hoshikawa, Toshiaki Kumagai and Tetsu Ichitsubo, Journal of Materials Chemistry A, 11, 23311-23318 (2023). Photoinduced Nonvolatile Displacive Transformation and Optical Switching in MnTe Semiconductors, Hiroshi Tanimura,Shunsuke Mori,  Tetsu Ichitsubo, and Yuji Sutou, ACS Applied Materials & Interfaces (2023). Effect of interlayer K ordering on water intercalation behavior in δ-type layered manganese dioxide, Norihiko L. Okamoto, Hiroki Yoshisako, and Tetsu Ichitsubo, Energy Storage Materials, 61, 102912 (2023). Optimizing LiMn1.5M0.5O4 cathode materials for aqueous photo-rechargeable batteries, Kohei Shimokawa, Shogo Matsubara, Tomoya Kawaguchi, Akihiro Okamoto, Tetsu Ichitsubo, Chemical Communications, 59, 7947-7950 (2023). Mg–Zn–Mn Oxide Systems for Rechargeable Mg-Battery Cathode, Xiatong Ye, Kohei Shimokawa, Yuto Kezuka, Takuya Hatakeyama, Hongyi Li, Tetsu Ichitsubo, The Journal of Physical Chemistry C, 127, 5210−5218 (2023). Ultraporous, Ultrasmall MgMn2O4 Spinel Cathode for a Room-Temperature Magnesium Rechargeable Battery, Hiroaki Kobayashi, Yu Fukumi, Hiroto Watanabe, Reona Iimura, Naomi Nishimura, Toshihiko Mandai, Yoichi Tominaga, Masanobu Nakayama, Tetsu Ichitsubo, Itaru Honma, and Hiroaki Imai, ACS Nano, 17(3), 3135–3142 (2023). Mg-ion storage materials based on MnO2 frameworks, Kohei Shimokawa, Takuya Hatakeyama, Hongyi Li, Tetsu Ichitsubo, Current Opinion in Electrochemistry, 38, 101209 (2023).

河口 智也助教が2024年度 戦略的創造研究推進事業(さきがけ)の新規研究課題に採択されました。

河口 智也助教が2024年度 戦略的創造研究推進事業(さきがけ)の新規研究課題に採択されました。 2024/9/17 戦略目標:「社会課題解決を志向した計測・解析プロセスの革新」 研究領域:「計測・解析プロセス革新のための基盤の構築」 河口 智也助教 研究課題名「コヒーレント回折イメージングを用いた多次元情報解析」

2018/08/10 PRESS RELEASE:
Discovered the promotion phenomenon of multivalent-ion diffusion caused by concerted motion
協奏的動きがもたらす多価イオン拡散の促進現象を発見

一価イオンのLi+と多価イオンであるMg2+の相互作用により、通常は遅い正極中での多価イオン拡散(移動)が、顕著に促進される現象を初めて発見しました。これにより、多価イオンを用いる次世代蓄電池系の開発促進が期待されます。