Masatsugu Oishi, Tomoya Kawaguchi, Yusuke Fujita, Masaya Izumi, Satoshi Hiroi, Koji Ohara, Norihiko L. Okamoto, Tetsu Ichitsubo, Reversible Tetrahedral-site Migration Inducing an Additional Charge Compensation Reaction in Li-rich Layered Oxide 0.4Li2MnO3−0.6LiNi0.5Mn0.5O2, Chemistry of Materials, accepted.
Fumito Fujishiro, Suzuka Yamamoto, Tomoki Yahata, Masatsugu Oishi, Variable Photoluminescence Intensity Ratio with the Excitation Wavelength in Eu3+-Doped Perovskite-Type Alkaline Earth Zirconates—Possibility of a Unique Visualization of Ultraviolet Light, Inorganic Chemistry, 63, 5865-5871, 2024.DOI: 10.1021/acs.inorgchem.3c04327
Masatsugu Oishi, Akihiro Takagi, Akihiro Takamatsu, Takaaki Sakai, Characterization of Ca-doped YCoO3 Perovskite-type oxide as cathode for solid oxide fuel cells, International Journal of Modern Physics B, 38(12&13) 2440008 (2024) doi.org/10.1142/S0217979224400083.
Niloy Paul, Akash Sawate, Satoshi Sugano, Tetsuro Katayama, Masatsugu Oishi, Akihiro Furube, Pankaj Koinkar, Development of silver nanocubes created by pulsed laser ablation in liquid, International Journal of Modern Physics B, 38( 12&13) 2440014 (2024) doi.org/10.1142/S0217979224400149.
Fumito Fujishiro, Natsumi Oshima, Tokio Sakuragi, Masatsugu Oishi, Oxygen desorption properties of perovskite-type SrFe1−xCoxO3−δ: B-site mixing effect on the reduction properties of Fe and Co ions, Journal of Solid State Chemistry 312,123254, 2022. https://doi.org/10.1016/j.jssc.2022.123254
Masatsugu Oishi, Shohei Shiomi, Koji Ohara, Fumito Fujishiro, Yoichiro Kai, Shao-Ju Shih, Toshihiro Moriga, Shigefusa F. Chichibu, Aiko Takatori, Kazunobu Kojima,Enhanced quantum efficiency of a self-organized silica mixed red phosphor CaAlSiN3:Eu, Journal of Solid State Chemistry, 309, 122968, 2022. https://doi.org/10.1016/j.jssc.2022.122968.
Masatsugu Oishi, Fumito Fujishiro, Toshiaki Ina, Hirona Yamagishi, Iwao Watanabe and Toshiaki Ohta, Local electronic and atomic structures of the mixed B-site ions in SrFe1−xMnxO3−δ, International Journal of Modern Physics B, 35, 14, 2140048, 2021．
Fumito Fujishiro, Chinatsu Sasaoka, Toshiaki Ina, Tokio Sakuragi, and Masatsugu Oishi，Effects of Crystal Host Structure on Oxygen Desorption Behavior in Perovskite-type AeFe0.9In0.1O3−d (Ae = Sr, Ba), The Journal of Physical Chemistry C, 125, 13283-13290, 2021.
Takaaki Sakai, Masako Ogushi, Kohei Hosoi, Atsushi Inoishi, Hidehisa Hagiwara, Shintaro Ida, Masatsugu Oishi, and Tatsumi Ishihara, Characteristics of YCoO3-type perovskite oxide and application as an SOFC cathode, Journal of Materials Chemistry A, 9, 3584-3588, 2021.
Masatsugu Oishi, Tokio Sakuragi, Toshiaki Ina, Natsumi Oshima, Fumito Fujishiro,In situ evaluation of the electronic/local structure in B-site mixed perovskite-type oxide SrFe0.6Mn0.4O3−δ" Journal of Solid State Chemistry, 294, 121893, 2021.
Masatsugu Oishi, Keiji Shimoda, Koji Ohara, Daiki Kabutan, Tomoya Kawaguchi, Yoshiharu Uchimoto, Disordered Cubic Spinel Structure in the Delithiated Li2MnO3 Revealed by Difference Pair Distribution Function Analysis" The Journal of Physical Chemistry C, 124,24081-24089, 2020.
Masatsugu Oishi, Keiji Shimoda, Sojiro Okada, Ryoshi Imura, Keisuke Yamanaka, Hisao Yamashige, Hitoshi Mizuguchi, Iwao Watanabe, Yoshiharu Uchimoto, Toshiaki Ohta "Evaluation of oxygen contribution on delithiation process of Li rich layered 3d transition metal oxides" Materials Today Communications, 25, 101673, 2020.
Aruto Watanabe, Kentaro Yamamoto, Yuki Orikasa, Masatsugu Oishi, Koji Nakanishi, Tomoki Uchiyama, Toshiyuki Matsunaga, Yoshiharu Uchimoto "Relationship between rate performance and electronic/structural changes during oxygen redox of lithium-rich 4d/3d transition metal oxides" Solid State Ionics, 357, 115459, 2020.
Fumito Fujishiro, Chinatsu Sasaoka, Masatsugu Oishi, Takuya Hashimoto, Katsumi Shozugawa, and Motoyuki Matsuo "Relationship among the local structure, chemical state of Fe ions in Fe-O polyhedra, and electrical conductivity of cubic perovskite Ba1−xSrxFe0.9In0.1O3−δ with varying number of oxide ion vacancies" Materials Research Bulletin, 133, 111063, 2021.
Fumito Fujishiro, Natsumi Oshima, Nanako Kamioka, Tokio Sakuragi, Masatsugu Oishi "Relationship between oxygen desorption and the reduction features of Mn and Fe in perovskite-type SrFe1−xMnxO3−δ" Journal of Solid State Chemistry, 283, 121152, 2020.
Masatsugu Oishi, Ryoshi Imura, Tomoyuki Ueki, Keiji Shimoda, Hirona Yamagishi, Iwao Watanabe "Electronic state analysis of Li2RuO3 positive electrode for lithium ion secondary battery" Modern Physics Letter B, 34, 7-9, 2040024 2020.
Masatsugu Oishi, Takashi Nakamura, Iwao Watanabe, Takashi Yamamoto, Takuya Doi, Toshiaki Ina, Kiyofumi Nitta, Koji Amezawa, Yuji Okuyama, Evaluation of the Electronic and Local Structure of Mn in Proton-Conducting Oxide,
Ca(Zr,Mn)O3-δ, to Elucidate a Direct Hydrogen-Dissolution Reaction, Journal of Physical Chemistry C, 123, 16034-16045, 2019. (https://pubs.acs.org/doi/10.1021/acs.jpcc.9b03897)
Takashi Nakamura,Hongze Gao,Kento Ohta,Yuta Kimura,Yusuke Tamenori,Kiyofumi Nitta,Toshiaki Ina,Masatsugu Oishi and Koji Amezawa "Defect chemical studies on oxygen release from the Li-rich cathode material Li1.2Mn0.6Ni0.2O2−δ" Journal of Materials Chemistry A, 7, 5009-5019, 2019.
Tomoya Kawaguchi, Masashi Sakaida, Masatsugu Oishi, Tetsu Ichitsubo, Katsutoshi Fukuda, Satoshi Toyoda, and Eiichiro Matsubara "Strain-Induced Stabilization of Charged State in Li-Rich Layered Transition-Metal Oxide for Lithium-Ion Batteries" Journal of Physical Chemistry C, 122, 19298-19308, 2018.
Masatsugu Oishi, Shiomi Shohei, Takashi Yamamoto, Tomoyuki Ueki, Kai Yoichiro, Chichibu F. Shigefusa, Takatori Aiko and Kojima Kazunobu "High temperature degradation mechanism of a red phosphor, CaAlSiN3:Eu for solid-state lighting" Journal of Applied Physics, No.122, 113104-113111, 2017.
K. Shimoda, Masatsugu Oishi, T. Matsunaga, M. Murakami, K. Yamanaka, H. Arai, Y. Ukyo, Y. Uchimoto, T. Ohta, E. Matsubara, Z. Ogumi, “Direct Observation of Layered-to-Spinel Phase Trans formation in Li2MnO3 and Spinel Structure Stabilised after the Activation Process” Journal of Materials Chemistry. A, 5,6695-6707, 2017.
Keisuke Yamanaka, Masatsugu Oishi, Koji Nakanishi, Iwao Watanabe and Toshiaki Ohta "Charge compensation analysis of Li-rich layered oxide positive electrode using X-ray absorption fine structure measurement in the soft X-ray region" Adv. X-ray. Chem. Anal., Japan 47, pp.321-330, 2016.
Ikuma Takahashi, Katsutoshi Fukuda, Tomoya Kawaguchi, Hideyuki Komatsu, Masatsugu Oishi, Haruno Murayama, Masaharu Hatano, Takayuki Terai, Hajime Arai, Yoshiharu Uchimoto, and 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" J. Phys. Chem. C, 120, 27109−27116, 2016.
Masatsugu Oishi, Keisuke Yamanaka, Iwao Watanabe, Keiji Shimoda, Toshiyuki Matsunaga, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Zempachi Ogumi and Toshiaki Ohta, Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy, Journal of Materials Chemistry. A, 4, 9293-9302, 2016.
T. Kawaguchi, K. Fukuda, K. Tokuda, M. Sakaida, T. Ichitsubo, Masatsugu Oishi, J. Mizuki, E. Matsubara, "Roles of Transition Metals Interchanging with Lithium in Electrode Materials” Physical Chemistry Chemical Physics, Phys. Chem. Chem. Phys. 17, 14064, 2015.
Masatsugu Oishi, C. Yogi, I. Watanabe, T. Ohta, Y. Orikasa, Y. Uchimoto, Z. Ogumi, “Direct observation of reversible charge compensation by oxygen ion in Li-rich manganese layered oxide positive electrode material, Li1.16Ni0.15Co0.19Mn0.50O2”, Journal of Power Sources, 276, 89-94, 2015.
K. Ohara, Y. Umebayashi, T. Ichitsubo, K. Matsumoto, R. Hagiwara, H. Arai, M. Mori, Y. Orikasa, S. Okamoto, Masatsugu Oishi, Y. Aiso, T. Nohira, Y. Uchimoto, Z. Ogumi, E. Matsubara, “Structural modification by adding Li cations into Mg/Cs-TFSA molten salt facilitating Mg electrodeposition” RSC Advance., 5, 3063-3069, 2015.
T. Kawaguchi, K. Fukuda, K. Tokuda, K. Shimada, T. Ichitsubo, Masatsugu Oishi i, J. Mizuki, E. Matsubara, “Revisit to Diffraction Anomalous Fine Structure (DAFS)”, Journal of Synchrotron Radiation, 21, 1-5, 2014.
T. Ichitsubo, S. Yagi, R. Nakamura, Y. Ichikawa, S. Okamoto, K. Sugimura, T. Kawaguchi, A. Kitada, Masatsugu Oishi, T. Doi, E. Matsubara, “A new aspect of chevrel compounds as positive electrodes for magnesium batteries,” Journal of Materials Chemistry A, 2, 14858-14866, 2014.
Masatsugu Oishi, T. Ichitsuo, S. Okamoto, E. Matsubara, T. Nohira, R. Hagiwara, “Electrochemical behavior of magnesium alloys in alkali metal-TFSA ionic liquid for magnesium-battery negative electrode”, Journal of The Electrochemical Society, 161, A943-947, 2014.
M. Kawamori, T. Asai, Y. Shirai, S. Yagi, Masatsugu Oishi, T. Ichitsubo, E. Matsubara, “Three-dimensional nano electrode by metal nanowire nonwoven clothes”, Nano Letters, 14(4), 1932-1937, 2014.
T. Ichitsubo, K. Tokuda, S. Yagi, M. Kawamori, T. Kawaguchi, T. Doi, Masatsugu Oishi, E. Matsubara, ”Elastically constrained phase-separation dynamics competing with charge process in LiFePO4/FePO4 system” Journal of Materials Chemistry A, 1, 2567-2577, 2013.
Masatsugu Oishi, T. Fujimoto, Y. Takanashi, Y. Orikasa, A. Kawamura, T. Ina, H. Yamashige, D. Takamatsu, K. Sato, H. Murayama, H. Tanida, H. Arai, H. Ishii, C. Yogi, I. Watanabe, T. Ohta, A. Mineshige, Y. Uchimoto, Z. Ogumi, ”Charge compensation mechanisms in Li1.16Ni0.15Co0.19Mn0.50O2 positive electrode material for Li-ion batteries analyzed by a combination of hard and soft X-ray absorption near edge structure” Journal of Power Sources, 222, 15, 45-51, 2013．
H. Tanida, H. Yamashige, Y. Orikasa, Masatsugu Oishi, Y. Takanashi, T. Fujimoto, K. Sato, D. Takamatsu, H. Murayama, H. Arai, E. Matsubara, Y. Uchimoto, Z. Ogumi, “In situ two-dimensional imaging quick-scanning XAFS with pixel array detector” Journal of Synchrotron Radiation, 18, 919 – 921, 2011．
Y. Takanashi, Y. Orikasa, M. Mogi, Masatsugu Oishi, H. Murayama, K. Sato, H. Yamashige, D. Takamatsu, T. Fujimoto, H. Tanida, H. Arai, T. Ohta, E. Matsubara, Y. Uchimoto, Z. Ogumi, “Thickness estimation of interface films formed on Li1−xCoO2 electrodes by hard X-ray photoelectron spectroscopy” Journal of Power Sources, 196, 10679-10685, 2011．
Y. Orikasa, T. Ina, T. Nakao, A. Mineshige, K. Amezawa, Masatsugu Oishi, H. Arai, Z. Ogumi, Y. Uchimoto, “X-ray Absorption Spectroscopic Study on Mixed Conductive La0.6Sr0.4Co0.8Fe0.2O3-δ Cathodes I. Electrical Conductivity and Electronic Structure” Physical Chemistry Chemical Physics, 13, 16637–16643, 2011．
Y. Orikasa, T. Nakao, Masatsugu Oishi, T. Ina, A. Mineshige, K. Amezawa, H. Arai, Z. Ogumi, Y. Uchimoto, “Local Structural Analysis for Oxide Ionic Transport in La0.6Sr0.4FeO3-δ Cathodes” Journal of Materials Chemistry, 21, 14013–14019, 2011．
Y. Orikasa, T. Ina, T. Nakao, A. Mineshige, K. Amezawa, Masatsugu Oishi, H. Arai, Z. Ogumi, Y. Uchimoto, “X-ray Absorption Spectroscopic Study on La0.6Sr0.4CoO3-δ Cathode Materials Related with Oxygen Vacancy Formation” Journal of Physical Chemistry C, 115, 16433–16438, 2011．
D. Takamatsu, T. Nakatsutsumi, S. Mori, Y. Orikasa, M. Mogi, H. Yamashige, K. Sato, T. Fujimoto, Y. Takanashi, H. Murayama, Masatsugu Oishi, H. Tanida, T. Uruga, H. Arai, Y. Uchimoto, Z. Ogumi, “Nanoscale Observation of the Electronic and Local Structures of LiCoO2 Thin Film Electrode by Depth-Resolved X-ray Absorption Spectroscopy” Journal of Physical Chemical Letters, 2, 2511–2514, 2011．
K. Yashiro, S. Akoshima, T. Kudo, Masatsugu Oishi, H. Matsumoto, K. Sato, T. Kawada, J. Mizusaki, “Electrical conductivity and chemical diffusion in Perovskite-type proton conductors in H2–H2O gas mixtures “ Solid State Ionics, 192, 76-82, 2011．
S. Akoshima, Masatsugu Oishi, K. Yashiro, K. Sato, J. Mizusaki, “Reaction kinetics on platinum electrode / yttrium-doped barium cerate interface under H2–H2O atmosphere” Solid State Ionics, 181, 240-248, 2010.
Masatsugu Oishi, S. Akoshima, K. Yashiro, K. Sato, T. Kawada, J. Mizusaki, “Defect structure analysis of proton-oxide ion mixed conductor BaCe0.9Nd0.1O3-δ” Solid State Ionics, 181, 1336-1343, 2010．
Masatsugu Oishi, S. Akoshima, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, “Defect structure analysis of B-site doped perovskite-type proton conducting oxide BaCeO3 Part 1: The defect concentration of BaCe0.9M0.1O3−δ (M = Y and Yb)” Solid State Ionics, 180, 127-131, 2009. Top 25 Hottest Articles (2009/Jan-Mar)
Masatsugu Oishi, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, “Oxygen nonstoichiometry and defect structure analysis of B-site mixed perovskite-type oxide (La, Sr)(Cr, M)O3−δ (M=Ti, Mn and Fe)” Journal of Solid State Chemistry, 181, 3177-3184, 2008．
Masatsugu Oishi, K. Yashiro, K. Sato, J. Mizusaki, N. Kitamura, K. Amezawa, T. Kawada, Y. Uchimoto “Oxygen nonstoichiometry of the perovskite-type oxides BaCe0.9M0.1O3−δ (M Y, Yb, Sm, Tb, and Nd)” Solid State Ionics, 179, 529-535, 2008．
Masatsugu Oishi, S. Akoshima, K. Yashiro, K. Sato, J. Mizusaki, T. Kawada, “Defect structure analysis of B-site doped perovskite-type proton conducting oxide BaCeO3: Part 2: The electrical conductivity and diffusion coefficient of BaCe0.9Y0.1O3−δ“ Solid State Ionics, 179, 2240-2247, 2008.
Masatsugu Oishi, K. Yashiro, J. Hong, Y. Nigara, T. Kawada, J. Mizusaki, “Oxygen nonstoichiometry of B-site doped LaCrO3“ Solid State Ionics, 178, 307-312, 2007.
Y. Muramatsu, Masatsugu Oishi, S. Adachi, “Fuel Cell System for Two-Wheeled Vehicles” The 11th Small Engine Technology Conference (SETC), SAE, No.2005-32-0077, 1-4, 2005．“2005 SETC High Quality Paper Award”
M. Hasegawa, Masatsugu Oishi, A. Kaimai, K. Yashiro, H. Matsumoto, T. Kawada, and J. Mizusaki, “Defect structure and electrical conductivity of La0.9Ca0.1Cr1-yAlyO3-δ ( y = 0 - 0.9 )”, 206th Meeting of The Electrochemical Society, USA, Honolulu, 2004.
F.Z. Boulenouar, , K. Yashiro, M. Oishi, A. Kaimai, Y. Nigara, T. Kawada, and J. Mizusaki, Electrochemical Oxidation of CO in a CO-CO2 System at the Interface of Ni Grid Electrode/ YSZ Electrolyte, Proceedings of The Electrochemical Society, PV 2001-16, 759-768, 2001.
International conference/ 国際学会発表
Masatsugu Oishi, Tatsuki Sogabe, Toshiro Moriga, Yu-Jen Chou, Shao-Ju Shih, Photoluminescence property of silica mixed composite YAG:Ce phosphors (Invited), 4th International Conference on Nanomaterials and Advanced Composites (NAC 2023) Busan, South Korea (2023.11.17).
Sayaka Tani, Soma Fujiki, Masatsugu Oishi, Masamitsu Iiyama, Toshio Takayanagi, Yu-Chi Lin, Min-Hsin Yeh and Hitoshi Mizuguchi, Amperometric determination of glucose using nitrogen-doped graphene/NiWO4-decorated track-etched membrane electrodes, Royal Society of Chemistry Tokyo International Conference 2023 (RSC-TIC 2023), Chiba,(2023.09.7-8).
H. Mizuguchi, S. Tani, S. Fujiki, M. Oishi, T. Takayanagi, Y.-. Lin, M.-H. Yeh, Flow-based glucose sensor fabricated using non-enzymatic catalysts and track-etched membrane electrodes, 22nd International Conference on Flow Injection Analysis and Related Techniques (22nd ICFIA), Marseille, May 2023.
C.L. Lee, H. J. Zhang, S. J. Shih, M. Oishi, Studies Of The Structure Of Spray Dried Pure And Zinc-Containing Bioactive Glasses Using Electron Diffraction And DFT Simulations, 9th International Forum on Advanced Technologies (IFAT2023) (2023.3. 8).
H. Mizuguchi, S. Fujiki, S. Tani, M. Oishi, T. Takayanagi，M. Iiyama，Y.-C. Lin,M.-H. Yeh, Modification Of Track-Etched Membrane Electrodes With Non-Enzymatic Catalysts For Flow-Based Biosensors, 9th International Forum on Advanced Technologies (IFAT2023) (2023.3. 8).
M. Oishi, T. Sogabe, T. Moriga, S.J. Shih, Evaluation of photoluminescence property of nano silica mixed YAG: Ce phosphors 9th International Forum on Advanced Technologies (IFAT2023) (2023.3. 8).
M. Oishi, T. Sogabe, K. Ohara, T. Moriga, S.J. Shih, Enhanced quantum efficiency of silica mixed composite red phosphor CaAlSiN3:Eu,3rd International Conference on Nanomaterials and Advanced Composites (NAC 2022) Tokushima (2022.7.15-17).
T. Sogabe, K. Ohara, S. Hiroi, S.J. Shih,T. Moriga, M. Oishi, Photoluminescence property of nano silica mixed Y3Al5O12:Ce phosphors,3rd International Conference on Nanomaterials and Advanced Composites (NAC 2022) Tokushima (2022.7.15-17).
A. Takamatsu, S. Goda, T. Sakai, M. Oishi, Cathode property of perovskite-type Mn oxides for solid oxide fuel cells,3rd International Conference on Nanomaterials and Advanced Composites (NAC 2022) Tokushima (2022.7.15-17).
Hsieh Yi, Lee Chao, Masatsugu Oishi, Shao-Ju Shih, Determination of radial distribution function for SiO2 coated yttrium aluminium garnet particles, 8th International Forum on Advanced Technologies (IFAT2022)Web (2022.3.8).
H. Mizuguchi, S. Fujiki, M. Oishi, T. Takayanagi, Y. C. Lin, M. H. Yeh, Electrochemical Flow System Using Track-Etched Microporous Membrane Electrodes for the Selective Detection of Uric Acid with Non-enzymatic Catalysts, 8th International Forum on Advanced Technologies (IFAT2022), (2022.3. 8).
Masatsugu Oishi, Toshihiro Moriga, Shih Shao-Ju, Enhanced quantum efficiency of a self-organized silica mixed phosphor CaAlSiN3:Eu, 8th International Forum on Advanced Technologies (IFAT2022)Web (2022.3.8).
Masatsugu Oishi, Fumito Fujishiro, Toshiaki Ina, Hirona Yamagishi, Iwao Watanabe, and Toshiaki Ohta，Local Electronic and Atomic Structures of the Mixed B-Site Ions in SrFe1-xMnxO3-δ Studied with X-ray Absorption Spectroscopy，2020 International Conference on Physics and Mechanics of New Materials and Their Applications (PHENMA 2020) Web (2021.3. 26–29).
Yu-Hsuan Huang, Yi-Ju Hsieh, Masatsugu Oishi, and Shao-Ju Shih, Preparation and characterization of hollow granulated phosphor micron-spheres, 7th International Forum on Advanced Technologies (IFAT2021), Web (2021.3.15).
Hitoshi Mizuguchi, Sohma Fujiki, Masatsugu Oishi, Toshio Takayanagi, Jun-De Zhan and Min-Hsin Yeh, Introduction of Non-Enzymatic Catalysts on a Track-Etched Microporous Membrane Electrode for the Selective Detection of Uric Acid, 7th International Forum on Advanced Technologies (IFAT2021), Online (2021.3.15).
Masatsugu Oishi,Keiji Shimoda,Koji Ohara,Tomoya Kawaguchi, Yoshiharu Uchimoto, Disordered cubic spinel structure in the delithiated Li2MnO3 revealed by difference
pair distribution function analysis, PRiME2020, Hawaii, U.S.A. (2020.10.4-9).
Fumito Fujishiro, Natsumi Oshima, Tokio Sakuragi, Masatsugu Oishi, Evaluation of the relationship between oxygen desorption property and electronic/local structure of B site ions in perovskite SrFe1−xMexO3−δ (Me = Mn, Co), The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13), Okinawa, Japan (2019.10.27-11.01).
Masatsugu Oishi , Electronic and crystal structure analysis of metal oxides using synchrotron X-rays (Invited), The 2nd International Conference on Nanomaterials and Advanced Composites (nac2019), Taipei, (2019.08.10-11).
Masatsugu Oishi, Ryoshi Imura, Keisuke Yamanaka, Hirona Yamagishi, Iwao Watanabe, Hisao Yamashige, Yoshiharu Uchimoto, and Toshiaki Ohta，Electronic State Analysis of Metal and Oxygen in Li-rich Positive Electrodes for Lithium Ion Secondary Battery, 22nd International Conference on Solid State Ionics, Pyeong Chang, Korea (2019.06.16-21)
Masatsugu Oishi, Ryoshi Imura, Yamanaka Keisuke, Watanabe Iwao, Uchimoto Yoshiharu and Ohta Toshiaki, Electronic State Analysis of Oxygen Anion of 3d Transition Metal Layered Oxide Materials, The 19th international meeting on lithium batteries (IMLB2018), (2018.06.17-22)
Masatsugu Oishi, Takuya Doi, Takashi Yamamoto, Takashi Nakamura, Koji Amezawa, and Yuji Okuyama, Evaluation of the electronic and local structure of proton-conducting oxide, (CaZr1-x,Mnx)O3-d, to elucidate a novel protonation mechanism” 43rd symposium on solid state ionics of Japan, Yamagata, Japan, (2017.12. 5-7)
Masatsugu Oishi, Yamanaka Keisuke, Watanabe Iwao, Uchimoto Yoshiharu and Ohta Toshiaki, Direct observation of oxygen anion redox reaction in Li-rich layered manganese oxides, 21th International conference on Solid State Ionics, (2017.6.18-23).
Aruto Watanabe, Yuki Orikasa, Koji Nakanishi, Masatsugu Oishi, Kentaro Yamamoto, Yoshiharu Uchimoto，Improvement of rate performance for lithium-rich solid solution cathode by 4d transition metal to suppress oxygen evolution，The 9th Asian Conference on Electrochemical Power Sources 2017 (ACEPS-9), Korea (2017, 8.20-23).
Tomoya Kawaguchi, Masashi Sakaida, Masatsugu Oishi, Katsutoshi Fukuda, Satoshi Toyoda, Tetsu Ichitsubo and Eiichiro Matsubara, “Strain effects on redox reaction in Li-rich layered oxide electrode” No.290 PRiME 2016/230th ECS Meeting, Honolulu, Hawaii, (2016. 8.2-7). Abstract 290.
Tomoya Kawaguchi, Katsutoshi Fukuda, Masatsugu Oishi, Tetsu Ichitsubo, Jun'ichiro Mizuki and Eiichiro Matsubara : Site-selective analyses of battery reactivities in Li 1 + x Ni 1 - x O 2 by powder DAFS, XXIII IUCr Congress, Montreal, Canada, Vol.A70, p.C588, (2014.8)
M. Oishi, S. Okamoto, T. Ichitsubo, S. Toyoda, T. Nohira, R. Hagiwara, and E. Matsubara, Electrochemical Behavior of Magnesium Alloy in Alkali-TFSA Ionic Liquid for Magnesium – Battery Negative Electrode, 17th International Meeting on Lithium Batteries, Italy, Como (2014. 6.10-6.14).
M. Oishi, T. Kawaguchi, S. Toyoda, M. Sakaida, T. Ichitsubo, Y. Uchimoto, and E. Matsubara,In situ X-ray Diffraction Analysis of Li1.16Ni0.15Co0.19Mn0.50O2,19th International Conference on Solid State Ionics, Japan, Kyoto (2013. 6.2-6.7).
T. Kawaguchi, K. Fukuda, T. Ichitsubo, M. Oishi, J. Mizuki, and E. Matsubara, “Site-Selective Analyses of Valence States in LiNiO2 by Resonant X-Ray Scattering”, 224st ECS meeting, USA, San Francisco (2013. 10.27-11.01). S. Yamahara, A. Mineshige (Univ. of Hyogo), M. Oishi, Y. Orikasa, A. Kawamura, T. Yamamoto(Kyoto Univ.), Yusuke Daiko, Tetsuo Yazawa (Univ. of Hyogo), H. Murayama, H. Tanida, H. Arai, Yoji Kobayashi, Hiroshi Kageyama, Y. Uchimoto and Z. Ogumi (Kyoto Univ.), Electrochemical Properties of Chemically Reduced Li2MnO3-LiMO2 Cathode Material, 16th International Meeting on Lithium Batteries, Korea, Jeju (2012. 6.17-6.22).
Chihiro Yogi (Ritsumeikan Univ.), Takahiro Fujimoto, Masatsugu Oishi (Kyoto Univ.),Hideshi Ishii (Ritsumeikan Univ.), Hajime Arai (Kyoto Univ.), Iwao Watanabe,Toshiaki Ohta (Ritsumeikan Univ.), Yoshiharu Uchimoto and Zempachi Ogumi (Kyoto Univ.), Systematic Soft X-ray Absorption Study on SEI of Composite Electrodes for Lithium-Ion Batteries using Three Different Depth Probing Modes, 16th International Meeting on Lithium Batteries, Korea, Jeju (2012. 6.17-6.22).
M. Oishi, Y. Orikasa, A. Kawamura, S. Yamahara, T. Yamamoto, Y. Kobayashi, H. Kageyama, H. Tanida, A. Mineshige, H. Arai, Y. Uchimoto, and Z. Ogumi, ”Electrochemical Properties of Chemically Reduced Li2MnO3-δ Cathode Material” 16th International Meeting on Lithium Batteries, Korea, Jeju (2012. 6.17-6.22).
Yu Takanashi, Masatsugu Oishi, Yuki Orikasa, Takahiro Fujimoto, Kenji Sato, Hisao Yamashige, Daiko Takamatsu, Haruno Murayama, Hajime Tanida, Hajime Arai, Toshiaki Ohta, Eiichiro Matsubara, Yoshiharu Uchimoto, and Zempachi Ogumi, Study of First Charge Discharge Mechanism for 0.3Li2MnO3-0.7LiNi1/3Co1/3Mn1/3O2 as a Cathode Active Material for Li-Ion Batteries, 220th ECS Meeting, Boston, Massachusetts (2011 October 9-14) .
Daiko Takamatsu, Takayuki Nakatsutsumi, Shinichiro Mori, Yuki Orikasa, Hisao Yamashige, Kenji Sato, Takahiro Fujimoto, Yu Takanashi, Masatsugu Oishi, Haruno Murayama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, and Zempachi Ogumi, In Situ X-ray Absorption Spectroscopic Study on Electrode / Electrolyte Interface of LixCoO2 Thin-Film Electrode, 220th ECS Meeting, Boston, Massachusetts (2011 October 9-14)．
Yuma Gogyo, Hisao Yamashige, Masatsugu Oishi, Yu Takanashi, Takahiro Fujimoto, Kenji Sato, Daiko Takamatsu, Yuki Orikasa, Haruno Murayama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, and Zempachi Ogumi, The Driving Force for the Relaxation of Reaction Distribution in LiCoO2 and LiFePO4 Electrodes, 220th ECS Meeting, Boston, Massachusetts (2011 October 9-14)．
Titus N. Masese, Yuki Orikasa, Masatsugu Oishi, Hajime Arai, Yoshiharu Uchimoto, and Zempachi Ogumi, Deeper Insights into the Electrochemical Properties, Electronic and Local Structures of Li2FeSiO4, 220th ECS Meeting, Boston, Massachusetts (2011 October 9-14)．
M. Oishi, Y. Takanashi, T. Fujimoto, K. Sato, H. Yamashige, D. Takamatsu, Y. Orikasa, H. Murayama, H. Tanida, H. Arai, Y. Uchimoto, and Z. Ogumi, ” Oxygen Nonstoichiometry and Electronic Structural Analysis of Li2MnO3- “ 18th International Conference on Solid State Ionics, Poland, Warsaw (2011. 7.3-7.8).
Hisao Yamashige (Office of Society-Academia Collaboration for Innovation, Kyoto University, Kyoto, Japan), Masatsugu Oishi, Yu Takanashi, Takahiro Fujimoto, Kenji Sato, Daiko Takamatsu, Yuki Orikasa, Haruno Murayama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Micro XAFS Study on the Relaxation of Potential Distribution of LFP and LCO Electrodes, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
Titus Masese (Graduate School of Human and Environmental Studies, Kyoto University, Kyoto, Japan), Toshiaki Ina, Yuki Orikasa, Masatsugu Oishi, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, In-situ X-ray absorption Spectroscopic Study of the Charge and Discharge Mechanism in Li2FeSiO4, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
Takehiro Maeda (Graduate School of Human and Environmental Studies, Kyoto University, Kyoto, Japan), Yuki Orikasa, Masatsugu Oishi, Haruno Murayama, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, ,Zempachi Ogumi, “Dynamics Consideration of the LiFePO4/FePO4 Phase Transition Studied by Time Resolved X-ray Diffraction, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
Daiko Takamatsu (Kyoto University, Kyoto, Japan), Takayuki Nakatsutsumi, Shinichiro Mori, Yuki Orikasa, Hisao Yamashige, Kenji Sato, Takahiro Fujimoto, Yu Takanashi, Masatsugu Oishi, Haruno Murayama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, In-situ Total Reflection Fluorescence XAS Study of LixCoO2 / Organic Electrolyte Interface, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
Yuki Orikasa (Kyoto University, Graduate School of Human and Environmental Studies, Kyoto, Japan), Daiko Takamatsu, Shinichiro Mori, Hisao Yamashige, Kenji Sato, Takahiro Fujimoto, Yu Takanashi, Masatsugu Oishi, Haruno Murayama, Hajime Tanida, Hajime Arai, Tomoya Uruga, Yoshiharu Uchimoto, Zempachi Ogumi, X-Ray Absorption Spectroscopic Study on Electrode / Electrolyte Hetero-interface of LiCoO2 Positive Electrode, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
Yoshiharu Uchimoto (Graduate School of Human and Environmental Studies, Kyoto University, Kyoto,Japan), Toyoki Okumura, Yuki Orikasa, Masatsugu Oishi, Hajime Tanida, Hajime Arai, Zempachi Ogumi, Tomoya Uruga, In-situ Electrochemical XAFS Study on Interfacial Phenomena between Electrode and Electrolyte, ” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
M. Oishi, H. Yamashige, Y. Takanashi, T. Fujimoto, K. Sato, D. Takamatsu, Y. Orikasa, H. Murayama, H. Tanida, H. Arai, Y. Uchimoto, and Z. Ogumi, “in-situ XAFS Observation of Electrical Potential Distribution in Lithium Ion Cathode Electrodes” 62nd Annual Meeting of the International Society of Electrochemistry, Japan, Niigata (2011. 9.12-9.16).
J. Mizusaki, M. Oishi, and K. Yashiro, “B-Site Cation Mixing Effects on Chemical Stability and Defect Equilibrium of LaCrO3 Based Perovskite-Type Solid Solutions (invited)” Materials Science & Technology 2009 Conference & Exhibition, USA, Pennsylvania (2009. 10.25-10.29).
J. Mizusaki, M. Oishi, K. Sato, and K. Yashiro, “Determinant factor of oxygen nonstoichiometry for the perovskite-type oxide with mixed transition metals on B-site” The 6th Petite Workshop on Defect Chemical Nature of Energy Materials, Korea, Damyang (2009. 9.6-9.9).
M. Oishi, S. Akoshima, K. Yashiro, K. Sato, T. Kawada, and J. Mizusaki, “Nonstoichiometry and Conductivity of Proton-Oxide Ion Mixed Conductor BaCe0.9Nd0.1O3-” The 14th International Conference on Solid State Protonic Conductors, Japan, Kyoto, (2008. 9.7-9.11).
S. Akoshima, M. Oishi, K. Sato, K. Yashiro, and J. Mizusaki, “Reaction Kinetics on Platinum Electrode - Yttrium-doped Barium Cerate Interface under H2-H2O” The 14th International Conference on Solid State Protonic Conductors, Japan, Kyoto (2008. 9.7-9.11).
M. Oishi, S. Akoshima, K. Yashiro, K. Sato, T. Kawada, and J. Mizusaki, “Electrical Conductivity and Defect Concentration of BaCe0.9M0.1O3- (M=Y, Yb, Tb, and Nd)” The Fourth International Conference on Flow Dynamics, Japan, Sendai (2007. 9.26-9.28).
M. Oishi, K. Yashiro, K. Sato, T. Kawada, and J. Mizusaki, ”The Oxygen Nonstoichiometry of B-site doped LaCrO3 Perovskite-type Oxides” The American Ceramic Society's 109th Annual Meeting, USA, Detroit (2007. 9.16-9.22).
M. Oishi, K. Yashiro, K. Sato, J. Mizusaki, N. Kitamura K. Amezawa, T. Kawada, and Y. Uchimoto, ”Oxygen nonstoichiometry of the perovskite-type oxides BaCe0.9M0.1O3-d (M=Y, Yb, Nd, Tb, and Sm)” 16th International Conference on Solid State Ionics, China, Shanghai (2007. 7.1-7.7).
J. Mizusaki, M. Oishi, S. Akoshima, T. Kudo, K. Sato and K. Yashiro, “Nonstoichiometry, Conductivity, and Defect Equilibrium of BaCe0.9(Nd or Y)0.1O3 and Some Other Proton Conducting Perovskite-Type Oxides(Invited)” Materials Science & Technology 2007 Conference and Exhibition, America, Detroit (2007. 9.16-.9.20).
M. Oishi, K. Yashiro, K. Sato, T. Kawada, and J. Mizusaki, ”The Oxygen Nonstoichiometry of doped BaCeO3 perovskite-type Oxides” Third International Conference on Flow Dynamics, Japan, Matsushima (2006. 11.8-11.9).
K. Yashiro, M. Hasegawa, M. Oishi, K. Sato, A. Kaimai, T. Otake, T. Kawada, and J. Mizusaki, “Defect structure of A site- and B site-doped lanthanum chromites” Faraday Discussion 134 Atomic Transport and Defect Phenomena in Solids, UK, Guildford (2006. 7.10-7.12).
M. Hasegawa, M. Oishi, A. Kaimai, K. Yashiro, H. Matsumoto, T. Kawada, and J. Mizusaki, “Defect structure and electrical conductivity of La0.9Ca0.1Cr1-yAlyO3- ( y = 0 - 0.9 )” 206th Meeting of The Electrochemical Society, USA, Honolulu (2004. 10.3-10.8).
J. Mizusaki, K. Yashiro, M. Hasegawa, M. Oishi, and T. Kawada, Defect Chemistry of LaCrO3-Based Perovskite-Type Oxides (invited)” 204th Meeting of The Electrochemical Society, USA, Orlando (2003. 10.12-10.16).
F.Z. Boulenouar, , K. Yashiro, M. Oishi, A. Kaimai, Y. Nigara, T. Kawada, and J. Mizusaki, “Electrochemical Oxidation of CO in a CO-CO2 System at the Interface of Ni Grid Electrode/ YSZ Electrolyte”, 7th Intern. Symp. Solid Oxide Fuel Cells, Japan , Tsukuba (2001. 6.3-6.8).
大石昌嗣，塩見昌平, 山本孝，植木智之, 改井陽一朗，秩父重英，高取愛子，小島一信, 「赤色蛍光体(CaAlSiN3:Eu)の高温劣化機構の評価」Characterization of high temperature degradation mechanism of a red phosphor, CaAlSiN3:Eu第65回応用物理学会 春季学術講演会，東京, (2018.3.17-20)
大石昌嗣，井村亮志，山中恵介，山重寿夫，水口仁志，渡辺巌，内本喜晴，太田俊明 「層状酸化物電極材料における，Liイオン脱離時の酸素アニオンの電子状態解析」Electronic State Analysis of Oxygen Anion of Metal Layered Oxide Electrode Materials電気化学会第85回大会，東京， (2018.3.9－11)
F.Z. Boulenouar，K. Yashiro，M. Oishi，A. Kaimai，Y. Nigara，T. Kawada，J. Mizusaki 「Investigation of the Oxidation Reaction of CO and H2 at Ni grid/YSZ Interface」，第9回SOFC研究発表会，東京，（2000.12.14-15）．