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Osami Sakata

Japan Synchrotron Radiation Research Institute

51H-index
622Paper Count
1.3WCitation Count
Published Papers 186
Publication Date
Engineering electron density and structural properties of CuO anode material via calcination and in situ synchrotron XRD for enhanced lithium-ion battery performance
err2025-11-19
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PREAI
errW. T. R. S. Fernando; T. H. N. G. Amaraweera; K. M. D. C. Jayathilaka; L. S. R. Kumara; O. Seo; K. Osaka; O. Sakata; R. P. Wijesundera; H. W. M. A. C. Wijayasinghe
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Revealing Dynamic Structural Changes in Platinum-Group-Metal Nanoparticles during the Catalytic Hydrogen Evolution Reaction
err2025-10-01
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PREAI
errMaruta, Yuto; Ashitani, Hirotaka; Kawaguchi, Shogo; Ina, Toshiaki; Sakata, Osami; Kubota, Yoshiki; Yamamoto, Tomokazu; Toriyama, Takaaki; Murakami, Yasukazu; Mukoyoshi, Megumi; Kitagawa, Hiroshi; Kusada, Kohei
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Active site of the Pt electrodes modified with purine bases for hydrogen evolution reaction in alkaline solution
err2025-09-04
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errOAAI
errSyunnosuke Tanaka; Hiroaki Hattori; Tomoyuki Koganezawa; Tomotaka Nakatani; Rosantha Kumara; Osami Sakata; Kenji Miyatake; Nagahiro Hoshi; Masashi Nakamura
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Unraveling Element-Selective Local Structures in Multielement Alloy Nanoparticles with EXAFS
err2025-04-30
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errOAAI
errNakamura, M; Wu, DS; Mukoyoshi, M; Kusada, K; Hayashi, H; Toriyama, T; Yamamoto, T; Murakami, Y; Ashitani, H; Kawaguchi, S; Ina, T; Sakata, O; Kubota, Y; Tanaka, I; Kitagawa, H
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Facile Synthesis of Sponge-like Microstructured CuO Anode Material for Rechargeable Lithium-Ion Batteries
err2025-04-15
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errFernando, W. T. R. S.; Amaraweera, T. H. N. G.; Jayathilaka, K. M. D. C.; Kumara, L. S. R.; Seo, O.; Osaka, K.; Sakata, O.; Wijesundera, R. P.; Wijayasinghe, H. W. M. A. C.
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Selective phase growth of ultra-smooth Ti2O3 and TiO2 thin films at low growth temperature controlled by the oxygen partial pressure
err2025-03-01
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PREAI
errTang, Jiayi; Seo, Okkyun; Kim, Jaemyung; Gueye, Ibrahima; Kumara, L. S. R.; Oh, Ho Jun; Jung, Wan-Gil; Moon, Won-Jin; Kim, Yong Tae; Yasuno, Satoshi; Nishihara, Tappei; Matsuda, Akifumi; Sakata, Osami
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Dynamic domain motion enhancing electro-optic performance in ferroelectric films
err2025-01-02
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PREAI
errKondo, Shinya; Okamoto, Kazuki; Sakata, Osami; Teranishi, Takashi; Kishimoto, Akira; Nagasaki, Takanori; Yamada, Tomoaki
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Platinum-Group Metal High-Entropy Selenides for the Hydrogen Evolution Reaction
err2024-10-31
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PREAI
errDeng, Xiaohui; Kusada, Kohei; Yamamoto, Tomokazu; Toriyama, Takaaki; Murakami, Yasukazu; Tseng, Jo-Chi; Yamada, Hiroki; Sakata, Osami; Ashitani, Hirotaka; Kawaguchi, Shogo; Kubota, Yoshiki; Kitagawa, Hiroshi
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Transient energy dissipation at the Fermi velocity in a magnetocaloric metal
err2024-10-31
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PREAI
errChen, Yanna; Zhang, Zhao; Zhang, Zhe; Zhou, Houbo; Yan, Xuexi; Sun, Tao; Harmon, Katherine J.; Owada, Shigeki; Tono, Kensuke; Sugahara, Michihiro; Sakata, Osami; Bedzyk, Michael J.; Chen, Chunlin; Sheng, Zhigao; Li, Bing; Hu, Fengxia; Cao, Yue; Shen, Baogen; Zhang, Zhidong
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High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films
err2024-07-15
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PREAI
errSun, Nana; Okamoto, Kazuki; Yasuoka, Shinnosuke; Doko, Soshun; Matsui, Naoko; Irisawa, Toshikazu; Tsunekawa, Koji; Katase, Takayoshi; Koganezawa, Tomoyuki; Nakatani, Tomotaka; Kumara, Rosantha; Sakata, Osami; Funakubo, Hiroshi
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Novel Route for Enhancing Piezoelectricity of Ferroelectric Films: Controlling Nontrivial Polarization States in Pb(Zr, Ti)O3 Monodomain Superlattice Structure
err2024-03-22
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PREAI
errSong, Jundong; Ebihara, Youhei; Yudin, Petr; Sakata, Osami; Morioka, Hitoshi; Kiguchi, Takanori; Kondo, Shinya; Yuan, Xueyou; Okamura, Soichiro; Yoshino, Masahito; Nagasaki, Takanori; Yamada, Tomoaki
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Surface Extraction Process During Initial Oxidation of Pt(111): Effect of Hydrophilic/Hydrophobic Cations in Alkaline Media
err2024-03-20
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PREAI
errKumeda, Tomoaki; Kondo, Kenshin; Tanaka, Syunnosuke; Sakata, Osami; Hoshi, Nagahiro; Nakamura, Masashi
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Domain structures of PbTiO3 and Pb(Zr,Ti)O3 thin films controlled by tensile strain induced by a Sr(Zr,Ti)O3 buffer layer
err2024-01-17
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PREAI
errMorikawa, Tomohide; Kodera, Masanori; Shimizu, Takao; Ishihama, Keisuke; Ehara, Yoshitaka; Sakata, Osami; Funakubo, Hiroshi
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First synthesis of RuSn solid-solution alloy nanoparticles and their enhanced hydrogen evolution reaction activity
err2024-01-01
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errZhou, Xin; Mukoyoshi, Megumi; Kusada, Kohei; Yamamoto, Tomokazu; Toriyama, Takaaki; Murakami, Yasukazu; Kawaguchi, Shogo; Kubota, Yoshiki; Seo, Okkyun; Sakata, Osami; Ina, Toshiaki; Kitagawa, Hiroshi
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X-ray free electron laser observation of ultrafast lattice behaviour under femtosecond laser-driven shock compression in iron
err2023-08-31
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errSano, Tomokazu; Matsuda, Tomoki; Hirose, Akio; Ohata, Mitsuru; Terai, Tomoyuki; Kakeshita, Tomoyuki; Inubushi, Yuichi; Sato, Takahiro; Miyanishi, Kohei; Yabashi, Makina; Togashi, Tadashi; Tono, Kensuke; Sakata, Osami; Tange, Yoshinori; Arakawa, Kazuto; Ito, Yusuke; Okuchi, Takuo; Sato, Tomoko; Sekine, Toshimori; Mashimo, Tsutomu; Nakanii, Nobuhiko; Seto, Yusuke; Shigeta, Masaya; Shobu, Takahisa; Sano, Yuji; Hosokai, Tomonao; Matsuoka, Takeshi; Yabuuchi, Toshinori; Tanaka, Kazuo A.; Ozaki, Norimasa; Kodama, Ryosuke
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Continuous-Flow Chemical Synthesis for Sub-2 nm Ultra-Multielement Alloy Nanoparticles Consisting of Group IV to XV Elements
err2023-07-20
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errOAAI
errMinamihara, Hiroki; Kusada, Kohei; Yamamoto, Tomokazu; Toriyama, Takaaki; Murakami, Yasukazu; Matsumura, Syo; Kumara, Loku Singgappulige Rosantha; Sakata, Osami; Kawaguchi, Shogo; Kubota, Yoshiki; Seo, Okkyun; Yasuno, Satoshi; Kitagawa, Hiroshi
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Control of atomic ordering of LiNiO2 thin films on a sapphire substrate from rock-salt to layered structure using uniaxial compression
err2023-06-01
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errOAAI
errSeo, Okkyun; Kim, Jaemyung; Tang, Jiayi; Kumara, L. S. R.; Kimoto, Koji; Miki, Kazushi; Matsuda, Akifumi; Yoshimoto, Mamoru; Sakata, Osami
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Analysis of Iodide Transport on Methyl Ammonium Lead Iodide Perovskite Solar Cell Structure Through Operando Hard X-ray Photoelectron Spectroscopy
err2023-02-22
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errGueye, Ibrahima; Shirai, Yasuhiro; Nagata, Takahiro; Tsuchiya, Takashi; Khadka, Dhruba B.; Yanagida, Masatoshi; Seo, Okkyun; Miyano, Kenjiro; Sakata, Osami
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Film thickness dependence of in-plane ferroelastic domain structure in constrained tetragonal PbTiO3 films induced by isotropic tensile strain
err2022-12-27
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PREAI
errEhara, Yoshitaka; Nakashima, Takaaki; Ichinose, Daichi; Shimizu, Takao; Shiraishi, Takahisa; Sakata, Osami; Yamada, Tomoaki; Yasui, Shintaro; Nishida, Ken; Funakubo, Hiroshi
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