Publication

Journal articles

2019

Gas-induced segregation in Pt-Rh alloy nanoparticles observed by in situ Bragg coherent diffraction imaging

Tomoya Kawaguchi, Thomas F. Keller, Henning Runge, Luca Gelisio, Christoph Seitz, Young Y. Kim, Evan R. Maxey, Wonsuk Cha, Andrew Ulvestad, Stephan O. Hruszkewycz, Ross Harder, Ivan A. Vartanyants, Andreas Stierle, Hoydoo You

Gas-induced segregation in Pt-Rh alloy nanoparticles observed by in situ Bragg coherent diffraction imaging Journal Article Forthcoming

Physical Review Letters, Forthcoming.

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Study of the Internal Compositions of Binary Alloy Pd-Rh Nanoparticles by Using Bragg Coherent Diffraction Imaging

Tomoya Kawaguchi, Wonsuk Cha, Vitalii Latyshev, Serhii Vorobiov, Vladimir Komanicky, Hoydoo You

Study of the Internal Compositions of Binary Alloy Pd-Rh Nanoparticles by Using Bragg Coherent Diffraction Imaging Journal Article

Journal of the Korean Physical Society, 75 (7), pp. 528-533, 2019.

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High Anionic Conductive Form of PbxSn2–xF4

Miwa Murakami, Yoshiyuki Morita, Masao Yonemura, Keiji Shimoda, Masahiro Mori, Yukinori Koyama, Tomoya Kawaguchi, Katsutoshi Fukuda, Yoshihisa Ishikawa, Takashi Kamiyama, Yoshiharu Uchimoto, Zempachi Ogumi

High Anionic Conductive Form of PbxSn2–xF4 Journal Article

Chemistry of Materials, 31 (18), pp. 7704-7710, 2019.

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Anomalous Antiferromagnetism in Metallic RuO2 Determined by Resonant X-ray Scattering

Zhihai H. Zhu, Joerg Strempfer, Reshma R. Rao, Connor A. Occhialini, Jonathan Pelliciari, Yongseong Choi, Tomoya Kawaguchi, Hoydoo You, John F. Mitchell, Yang Shao-Horn, and Riccardo Comin

Anomalous Antiferromagnetism in Metallic RuO2 Determined by Resonant X-ray Scattering Journal Article

Phycal Review Letters, 122 , pp. 017202, 2019.

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Electrochemical phase transformation accompanied with Mg extraction and insertion in a spinel MgMn2O4 cathode material

Takuya Hatakeyama, Norihiko L Okamoto, Kohei Shimokawa, Hongyi Li, Aiko Nakao, Yoshiharu Uchimoto, Hiroshi Tanimura, Tomoya Kawaguchi, Tetsu Ichitsubo

Electrochemical phase transformation accompanied with Mg extraction and insertion in a spinel MgMn2O4 cathode material Journal Article

Phys. Chem. Chem. Phys., 21 , pp. 23749-23757, 2019.

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2018

Dynamics of the Photoinduced Insulator-to-Metal Transition in a Nickelate Film

Vincent Esposito, Laurenz Rettig, Elisabeth M. Bothschafter, Yunpei Deng, Christian Dornes, Lucas Huber, Tim Huber, Gerhard Ingold, Yuichi Inubushi, Tetsuo Katayama, Tomoya Kawaguchi, Henrik Lemke, Kanade Ogawa, Shigeki Owada, Milan Radovic, Mahesh Ramakrishnan, Zoran Ristic, ValerioScagnoli, Yoshikazu Tanaka, Tadashi Togashi, Kensuke Tono, Ivan Usov, Yoav W. Windsor, Makina Yabashi, Steven L. Johnson, Paul Beaud, Urs Staub

Dynamics of the Photoinduced Insulator-to-Metal Transition in a Nickelate Film Journal Article

Structural Dynamics, 5 , pp. 064501, 2018.

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A Reversible Rocksalt to Amorphous Phase Transition Involving Anion Redox

Atsushi Sakuda, Koji Ohara, Tomoya Kawaguchi, Katsutoshi Fukuda, Koji Nakanishi, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Eiichiro Matsubara, Zempachi Ogumi, Kentaro Kuratani, Hironori Kobayashi, Masahiro Shikano, Tomonari Takeuchi, Hikari Sakaebe

A Reversible Rocksalt to Amorphous Phase Transition Involving Anion Redox Journal Article

Scientific Reports, 8 (1), pp. 15086, 2018, ISBN: 4159801833518.

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Site-Selective Analysis of Nickel-Substituted Li-Rich Layered Material: Migration and Role of Transition Metal at Charging and Discharging

Hideyuki Komatsu, Taketoshi Minato, Toshiyuki Matsunaga, Keiji Shimoda, Tomoya Kawaguchi, Katsutoshi Fukuda, Koji Nakanishi, Hajime Tanida, Shunsuke Kobayashi, Tsukasa Hirayama, Yuichi Ikuhara, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Eiichiro Matsubara, Zempachi Ogumi

Site-Selective Analysis of Nickel-Substituted Li-Rich Layered Material: Migration and Role of Transition Metal at Charging and Discharging Journal Article

J. Phys. Chem. C, 122 (35), pp. 20099-20107, 2018, ISSN: 1932-7447.

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Strain-Induced Stabilization of Charged State in Li-Rich Layered Transition Metal Oxide for Lithium Ion Batteries

Tomoya Kawaguchi, Masashi Sakaida, Masatsugu Oishi, Tetsu Ichitsubo, Katsutoshi Fukuda, Satoshi Toyoda, Eiichiro Matsubara

Strain-Induced Stabilization of Charged State in Li-Rich Layered Transition Metal Oxide for Lithium Ion Batteries Journal Article

J. Phys. Chem. C, 122 (34), pp. 19298–19308, 2018, ISSN: 1932-7447.

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Analysis of the Discharge/Charge Mechanism in VS4 Positive Electrode Material

Kazuto Koganei, Atsushi Sakuda, Tomonari Takeuchi, Hikari Sakaebe, Hironori Kobayashi, Hiroyuki Kageyama, Tomoya Kawaguchi, Hisao Kiuchi, Koji Nakanishi, Masashi Yoshimura, Toshiaki Ohta, Toshiharu Fukunaga, Eiichiro Matsubara

Analysis of the Discharge/Charge Mechanism in VS4 Positive Electrode Material Journal Article

Solid State Ionics, 323 , pp. 32–36, 2018, ISSN: 01672738.

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Direct Determination of One-Dimensional Interphase Structures Using Normalized Crystal Truncation Rod Analysis

Tomoya Kawaguchi, Yihua Liu, Anthony Reiter, Christian Cammarota, Michael S. Pierce, Hoydoo You

Direct Determination of One-Dimensional Interphase Structures Using Normalized Crystal Truncation Rod Analysis Journal Article

J. Appl. Crystallogr., 51 , pp. 1–6, 2018.

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Structure Analyses of Fe-Substituted Li2S-Based Positive Electrode Materials for Li-S Batteries

Tomonari Takeuchi, Hiroyuki Kageyama, Noboru Taguchi, Koji Nakanishi, Tomoya Kawaguchi, Koji Ohara, Katsutoshi Fukuda, Atsushi Sakuda, Toshiaki Ohta, Toshiharu Fukunaga, Hikari Sakaebe, Hironori Kobayashi, Eiichiro Matsubara

Structure Analyses of Fe-Substituted Li2S-Based Positive Electrode Materials for Li-S Batteries Journal Article

Solid State Ionics, 320 (September 2017), pp. 387–391, 2018, ISSN: 01672738.

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Layering and Ordering in Electrochemical Double Layers

Yihua Liu, Tomoya Kawaguchi, Michael S Pierce, Vladimir Komanicky, Hoydoo You

Layering and Ordering in Electrochemical Double Layers Journal Article

J. Phys. Chem. Lett., 9 , pp. 1265–1271, 2018, ISSN: 1948-7185.

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2017

Atsushi Sakuda, Kentaro Kuratani, Tomonari Takeuchi, Hisao Kiuchi, Tomoya Kawaguchi, Masahiro Shikano, Hikari Sakaebe, Hironori Kobayashi

Cubic Rocksalt Li2SnS3 and a Solid Solution with Li3NbS4 Prepared by Mechanochemical Synthesis Journal Article

Electrochemistry, 85 (9), pp. 580–584, 2017, ISSN: 1344-3542.

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Atsushi Sakuda, Koji Ohara, Katsutoshi Fukuda, Koji Nakanishi, Tomoya Kawaguchi, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Eiichiro Matsubara, Zempachi Ogumi, Toyoki Okumura, Hironori Kobayashi, Hiroyuki Kageyama, Masahiro Shikano, Hikari Sakaebe, Tomonari Takeuchi

Amorphous Metal Polysulfides: Electrode Materials with Unique Insertion/Extraction Reactions Journal Article

J. Am. Chem. Soc., 139 (26), pp. 8796–8799, 2017, ISSN: 0002-7863.

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Tomoya Kawaguchi, Katsutoshi Fukuda, Eiichiro Matsubara

Site- and Phase-Selective X-ray Absorption Spectroscopy Based on Phase-Retrieval Calculation Journal Article

J. Phys. Condens. Matter, 29 (11), pp. 113002, 2017, ISSN: 0953-8984.

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2016

Ikuma Takahashi, Katsutoshi Fukuda, Tomoya Kawaguchi, Hideyuki Komatsu, Masatsugu Oishi, Haruno Murayama, Masaharu Hatano, Takayuki Terai, Hajime Arai, Yoshiharu Uchimoto, Eiichiro Matsubara

Quantitative Analysis of Transition-Metal Migration Induced Electrochemically in Lithium-Rich Layered Oxide Cathode and Its Contribution to Properties at High and Low Temperatures Journal Article

J. Phys. Chem. C, 120 (48), pp. 27109–27116, 2016, ISSN: 1932-7447.

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E Matsubara, S Okada, T Ichitsubo, T Kawaguchi, A Hirata, P F Guan, K Tokuda, K Tanimura, T Matsunaga, M W Chen, N Yamada

Initial Atomic Motion Immediately Following Femtosecond-Laser Excitation in Phase-Change Materials Journal Article

Phys. Rev. Lett., 117 (13), pp. 135501, 2016, ISSN: 0031-9007.

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2015

Shinya Okamoto, Tetsu Ichitsubo, Tomoya Kawaguchi, Yu Kumagai, Fumiyasu Oba, Shunsuke Yagi, Kohei Shimokawa, Natsumi Goto, Takayuki Doi, Eiichiro Matsubara

Intercalation and Push-Out Process with Spinel-to-Rocksalt Transition on Mg Insertion into Spinel Oxides in Magnesium Batteries Journal Article

Adv. Sci., 2 (8), pp. 1500072, 2015, ISSN: 21983844.

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Tomoya Kawaguchi, Katsutoshi Fukuda, Kazuya Tokuda, Masashi Sakaida, Tetsu Ichitsubo, Masatsugu Oishi, Jun'ichiro Mizuki, Eiichiro Matsubara

Roles of Transition Metals Interchanging with Lithium in Electrode Materials Journal Article

Phys. Chem. Chem. Phys., 17 (21), pp. 14064–70, 2015, ISSN: 1463-9084.

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Tetsu Ichitsubo, Shinya Okamoto, Tomoya Kawaguchi, Yu Kumagai, Fumiyasu Oba, Shunsuke Yagi, Natsumi Goto, Takayuki Doi, Eiichiro Matsubara

Toward “Rocking-Chair Type” Mg–Li Dual-Salt Batteries Journal Article

J. Mater. Chem. A, 3 (19), pp. 10188–10194, 2015, ISSN: 2050-7488.

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Tomoya Kawaguchi, Katsutoshi Fukuda, Tetsu Ichitsubo, Masatsugu Oishi, Jun'ichiro Mizuki, Eiichiro Matsubara

Development of Powder Diffraction Anomalous Fine Structure Method and Applications to Electrode Materials for Rechargeable Batteries Journal Article

J. Japanese Soc. Synchrotron Radiat. Res., 28 (3), pp. 124–134, 2015.


2014

Tomoya Kawaguchi, Koki Shimada, Tetsu Ichitsubo, Shunsuke Yagi, Eiichiro Matsubara

Surface-Layer Formation by Reductive Decomposition of LiPF6 at Relatively High Potentials on Negative Electrodes in Lithium Ion Batteries and its Suppression Journal Article

J. Power Sources, 271 , pp. 431–436, 2014, ISSN: 03787753.

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Shunsuke Yagi, Tetsu Ichitsubo, Yoshimasa Shirai, Shingo Yanai, Takayuki Doi, Kuniaki Murase, Eiichiro Matsubara

A concept of dual-salt polyvalent-metal storage battery Journal Article

J. Mater. Chem. A, 2 (4), pp. 1144–1149, 2014, ISSN: 2050-7488.

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T Kawaguchi, K Fukuda, K Tokuda, K Shimada, T Ichitsubo, M Oishi, J Mizuki, E Matsubara

Revisit to Diffraction Anomalous Fine Structure. Journal Article

J. Synchrotron Radiat., 21 (Pt 6), pp. 1247–51, 2014, ISSN: 1600-5775.

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Kazuya Tokuda, Tomoya Kawaguchi, Katsutoshi Fukuda, Tetsu Ichitsubo, Eiichiro Matsubara

Retardation and Acceleration of Phase Separation Evaluated from Observation of Imbalance between Structure and Valence in LiFePO4/FePO4 Electrode Journal Article

APL Mater., 2 (7), pp. 070701, 2014, ISSN: 2166-532X.

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T Ichitsubo, S Yagi, R Nakamura, Y Ichikawa, S Okamoto, K Sugimura, T Kawaguchi, A Kitada, M Oishi, T Doi, E Matsubara

A New Aspect of Chevrel Compounds as Positive Electrodes for Magnesium Batteries Journal Article

J. Mater. Chem. A, 2 (36), pp. 14858, 2014, ISSN: 2050-7488.

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Marcus C Newton, Mayu Sao, Yuta Fujisawa, Rena Onitsuka, Tomoya Kawaguchi, Kazuya Tokuda, Takahiro Sato, Tadashi Togashi, Makina Yabashi, Tetsuya Ishikawa, Tetsu Ichitsubo, Eiichiro Matsubara, Yoshihito Tanaka, Yoshinori Nishino

Time-Resolved Coherent Diffraction of Ultrafast Structural Dynamics in a Single Nanowire Journal Article

Nano Lett., 14 (5), pp. 2413–2418, 2014, ISSN: 1530-6992.

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2013

Tetsu Ichitsubo, Takayuki Doi, Kazuya Tokuda, Eiichiro Matsubara, Tetsuya Kida, Tomoya Kawaguchi, Shunsuke Yagi, Shigeto Okada, Jun-ichi Yamaki

What Determines the Critical Size for Phase Separation in LiFePO4 in Lithium Ion Batteries? Journal Article

J. Mater. Chem. A, 1 (46), pp. 14532–14537, 2013, ISSN: 2050-7488.

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Koki Shimada, Tomoya Kawaguchi, Tetsu Ichitsubo, Eiichiro Matsubara, K Fukuda, Y Uchimoto, Z Ogumi

In Situ Observation of Tin Negative Electrode / Electrolyte Interface by X-ray Reflectivity Journal Article

ECS Trans., 50 (1), pp. 31–37, 2013, ISSN: 1938-6737.

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Tetsu Ichitsubo, Kazuya Tokuda, Shunsuke Yagi, Makoto Kawamori, Tomoya Kawaguchi, Takayuki Doi, Masatsugu Oishi, Eiichiro Matsubara

Elastically Constrained Phase-Separation Dynamics Competing with the Charge Process in the LiFePO4/FePO4 system Journal Article

J. Mater. Chem. A, 1 (7), pp. 2567, 2013, ISSN: 2050-7488.

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Yoshihito Tanaka, Kiminori Ito, Marcus Newton, Takashi Nakatani, Rena Onitsuka, Isao Takahashi, Takahiro Sato, Tadashi Togashi, Makina Yabashi, Koki Shimada, Kazuya Tokuda, Tomoya Kawaguchi, Tetsu Ichitsubo, Eiichiro Matsubara, Yoshinori Nishino

Time-Resolved Bragg Coherent X-ray Diffraction Study of Ultrafast Lattice Dynamics in Nano-Sized Thin Crystal by Using X-ray Free Electron Laser Journal Article

J. Ceram. Soc. Japan, 121 (3), pp. 283–286, 2013.

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2012

Tetsu Ichitsubo, Kazuya Tokuda, Tomoya Kawaguchi, Eiichiro Matsubara

Elastic-Strain Influences on Electrode Potential and Charge/Discharge Dynamics in Electrode Active Materials for Storage Batteries Journal Article

JSPS 172nd Comm. Alloy Phase Diagrams, 12 (1), pp. 76–87, 2012.


Book

2017

XAFSの基礎と応用

日本XAFS研究会, (Ed.)

XAFSの基礎と応用 Book

講談社サイエンティフィク, 2017, ISBN: 978-4-06-153295-3.

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Miscellaneous

2019

Kawaguchi, Tomoya

Travel memoir of studying abroad (Japanese) | 海外留学・滞在記 Incollection

Denkikagaku, 87 (Winter), pp. 352-355, The electrochemical society of Japan, 2019.

Links

The last update: 11/18/2019