Xi Zhang*, Gowoon Kim, Qian Yang, Jiake Wei, Bin Feng, Yuichi Ikuhara, and Hiromichi Ohta*, "Solid-State Electrochemical Switch of Superconductor-Metal-Insulators", ACS Appl. Mater. Interfaces 2021, 13, 45, 54204–54209 （DOI: 10.1021/acsami.1c17014）

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H. Tsurusawa, N. Nakanishi,K. Kawano, Y. Chen,B. V. Leer, T. Mizoguchi,, "Robotic fabrication of high-quality lamellae for aberration-corrected transmission electron microscopy", Scientifc Reports, 11 (2021) 21599-1-12. （https://doi.org/10.1038/s41598-021-00595-x）

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Shun-ichiro Ito, Kaito Kanahashi, Hiromichi Ohta, Hiroshi Ito, Taishi Takenobu* and Hisaaki Tanaka*, "Structure and thermoelectric properties in electrochemically doped polythiophene thin films: effect of side chain density", Appl. Phys. Lett. 119, 183304 (2021). （https://aip.scitation.org/doi/10.1063/5.0067769）

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James A. Quirk, Bin Miao, Bin Feng, Gowoon Kim, Hiromichi Ohta, Yuichi Ikuhara, and Keith P. McKenna, "Unveiling the Electronic Structure of Grain Boundaries in Anatase with Electron Microscopy and First-Pronciples Modeling", Nano Lett. 2021, 21, 21, 9217–9223 （DOI: 10.1021/acs.nanolett.1c03099）

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Daiki Katsube*, Shinya Ohno, Shuhei Takayanagi, Shoki Ojima, Motoyasu Maeda, Naoki Origuchi, Arata Ogawa, Natsuki Ikeda, Yoshihide Aoyagi, Yuito Kabutoya, Kim Kyungmin, Hou Linfeng, Li Fengxuan, Yasutaka Tsuda, Hikaru Yoshida, Shizuka Nishi, Tetsuya Sakamoto, Eiichi Inami, Akitaka Yoshigoe, and Masayuki Abe, "Oxidation of Anatase TiO2(001) Surface Using Supersonic Seeded Oxygen Molecular Beam", Langmuir 2021, 37, 42, 12313–12317 （https://doi.org/10.1021/acs.langmuir.1c01752）

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Xufei Fang, Tingting Zhu, Kuan Ding, Atsutomo Nakamura, "Hummingbird Plastically Imprinted", 2021 Ceramographic Competition Award (SPM Award) First Place, The American Ceramic Society

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T. Saito, T. Yokoi, A. Nakamura, K. Matsunaga, "First-principles based theoretical calculations of atomic structures of hydroxyapatite surfaces and their charge states in contact with aqueous solutions", RSC Adv. 11 (2021) 34004-34014. （DOI: 10.1039/d1ra06311a）

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Kyungmin Kim, Shiro Yamazaki, Daiki Katsube, Hayato Yamashita, and Masayuki Abe, "Atom switch by STM current on SrTiO3(100)-(√ 13 × √ 13) surfaces", International Symposium on Atomic Level Characterizations for New Materials and Devices ’21, Like It! Award,

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Beibei Qiao, Yixiao Jianga, Tingting Yaoa, Ang Tao, Xuexi Yan, Chunyang Gao, Xiang Li, Hiromichi Ohta, Chunlin Chen*, Xiu-Liang Ma, Hengqiang Ye, "Microstructure and electronic properties of La2Ti2O7 thin films on SrTiO3 substrates", Applied Surface Science Volume 587, 15 June 2022, 151599 （DOI: 10.1016/j.apsusc.2021.151599）

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Binjie Chen*, Gowoon Kim, Hai Jun Cho, and Hiromichi Ohta*, "Room Temperature Insulator-to-Metal Transition of VO2 / TiO2 Epitaxial Bilayer Films Grown on M-plane Sapphire Substrates", Adv. Electron. Mater. 2100687 (2021) （DOI: 10.1002/aelm.202100687）

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