Hojo Hajime 北條元

Researcher Number	90611369
Other IDs
Affiliation (Current)	2025: 九州大学, 総合理工学研究院, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2024: 九州大学, 総合理工学研究院, 准教授 2013 – 2016: 東京工業大学, 応用セラミックス研究所, 助教
Review Section/Research Field	Principal Investigator Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related / Inorganic materials/Physical properties / Medium-sized Section 26:Materials engineering and related fields / Science and Engineering Except Principal Investigator Inorganic materials/Physical properties / Medium-sized Section 26:Materials engineering and related fields
Keywords	Principal Investigator 透過電子顕微鏡 / エピタキシャル薄膜 / 電子エネルギー損失分光 / マルチフェロイック / 分極回転 / 圧電体 / 担持金属触媒 / 金属担体相互作用 / 触媒 / 異相界面 … More / エピタキシャル歪み / 形態制御型ナノ粒子 / 格子歪み / 酸素空孔 / 還元過程 / 酸化セリウム / 分極反転機構 / 走査透過電子顕微鏡 / 薄膜 / 強誘電体 / ドメイン壁 / 透過型電子顕微鏡 / 非鉛圧電体 / マルテンサイト変態 / in-situ TEM / 負熱膨張 / 電界誘起相転移 … More Except Principal Investigator 薄膜 / ペロブスカイト / 電荷移動 / 磁気光学 / マルチフェロイクス / 酸化物 / 分極 / 表面電位 / その場観察 / ナノ粒子 / 電子顕微鏡 / 複合材料・物性 / 磁性材料 / 単結晶 / プラズモニクス / 誘電体 / 磁性体 / 中性子回折 / 硬Ｘ線光電子分光 / 放射光Ｘ線 / バレンススキッパー / 遷移金属酸化物 / 硬X線光電子分光 / 放射光X線 / 電荷分布 / 電荷秩序 / 精密構造解析 / 強誘電転移 / 負熱膨張 / 高圧合成 / 機能性セラミックス / 分極回転 / 圧電体 / BiFeO3 / giant c/a / Piezoeelctric material / Polarization rotation / 誘電体物性 / 非線形光学 / 圧電性 / 磁気的性質 / 結晶構造 / 誘電性 / 準安定相 / 磁性 Less

異相界面の定量化と触媒機能設計Principal Investigator
- Principal Investigator
  
  北條元
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related
- Research Institution
  Kyushu University
金属担持触媒の電気分極～高感度化された電子線ホログラフィーと雰囲気制御による解明
- Principal Investigator
  
  村上恭和
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 26:Materials engineering and related fields
- Research Institution
  Kyushu University
Revealing the mechanism of magnetization reversal by electric field in room-temperature multiferroic thin filmsPrincipal Investigator
- Principal Investigator
  
  Hojo Hajime
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 26:Materials engineering and related fields
- Research Institution
  Kyushu University
Designing the reactivity of lattice oxygen by precisely controlling the lattice planes and strainPrincipal Investigator
- Principal Investigator
  
  Hojo Hajime
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related
- Research Institution
  Kyushu University
Search for novel magnetic oxides with multifunctionalities and their device applications
- Principal Investigator
  
  Tanaka Katsuhisa
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Kyoto University
Polarization Rotation: Designing and Realizing Large Piezoelectric ResponsesPrincipal Investigator
- Principal Investigator
  
  Hojo Hajime
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Kyushu University
ナノ構造制御による巨大負熱膨張物質の開発Principal Investigator
- Principal Investigator
  
  北條元
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Kyushu University
Clarification of s-d interorbital charge distribution change in Bi and Pb-perovskites and the application to giant negative thermal expansion materials
- Principal Investigator
  
  Masaki Azuma
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo Institute of Technology
Relization of giant piezpelectric response induced by polarization rotation
- Principal Investigator
  
  Masaki Azuma
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo Institute of Technology
Realization of giant piezoelectric response induced by electric-field-induced phase transitionPrincipal Investigator
- Principal Investigator
  
  Hojo Hajime
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo Institute of Technology
Synthesis and magnetic functionalities of metastable oxide thin films
- Principal Investigator
  
  Tanaka Katsuhisa
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Kyoto University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 Other

All Journal Article Presentation Patent

[Journal Article] Lattice-Plane-Dependent Distribution of Ce3+ at Pt and CeO2 Interfaces for Pt/CeO<sub>2</sub> Catalysts2024
- Author(s)
  Hojo Hajime、Nakashima Minori、Yoshizaki Satoru、Einaga Hisahiro
- Journal Title
  
  ACS Nano
  
  Volume: 18 Issue: 6 Pages: 4775-4782
- DOI
  10.1021/acsnano.3c09092
- Data Source
  KAKENHI-PROJECT-23K26739
[Journal Article] Catalytic properties of LaNiO3 and Mn-modified LaNiO3 catalysts for oxidation of CO and benzene2023
- Author(s)
  Hajime Hojo, Yuka Inohara, Ryo Ichitsubo, Hisahiro Einaga
- Journal Title
  
  Catalysis Today
  
  Volume: 410 Pages: 127-134
- DOI
  10.1016/j.cattod.2022.07.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824, KAKENHI-PROJECT-21H03635
[Journal Article] Effect of Cobalt Substitution into Copper-Manganese Oxides on Enhanced Benzene Oxidation Activity2023
- Author(s)
  S. Ding, C. Zhu, H. Hojo, H. Einaga
- Journal Title
  
  Applied Catalysis B: Environmental
  
  Volume: 323 Pages: 122099-122099
- DOI
  10.1016/j.apcatb.2022.122099
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H03635, KAKENHI-PROJECT-23K26739
[Journal Article] Reduction Mechanism for CeO2 Revealed by Direct Observation of the Oxygen Vacancy Distribution in Shape-Controlled CeO22023
- Author(s)
  Hajime Hojo, Kazuki Hirota, So Ito, Hisahiro Einaga
- Journal Title
  
  Advanced Materials Interfaces
  
  Volume: 10 Issue: 6 Pages: 2201954-2201954
- DOI
  10.1002/admi.202201954
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824
[Journal Article] Atomic and Electronic Structure of Pt/TiO2 Catalysts and Their Relationship to Catalytic Activity2022
- Author(s)
  Hajime Hojo, Miki Gondo, Satoru Yoshizaki, Hisahiro Einaga
- Journal Title
  
  Nano Letters
  
  Volume: 22 Issue: 1 Pages: 145-150
- DOI
  10.1021/acs.nanolett.1c03485
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824
[Journal Article] Insights into the Hydrogenolysis Mechanism of Diphenyl Ether over Cl-Modified Pt/γ-Al2O3 Catalysts by Experimental and Theoretical Studies2022
- Author(s)
  Chen Zhu, Hajime Hojo, Hisahiro Einaga
- Journal Title
  
  ACS Sustainable Chemistry & Engineering
  
  Volume: 10 Issue: 27 Pages: 8897-8907
- DOI
  10.1021/acssuschemeng.2c02038
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824
[Journal Article] Catalytic Oxidation of CO to CO2 over CeO2-Supported Pd-Cu Catalysts under Dilute O2 Conditions2022
- Author(s)
  Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
- Journal Title
  
  Industrial & Engineering Chemistry Research
  
  Volume: 61 Pages: 15856-15865
- DOI
  10.1021/acs.iecr.2c02199
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824, KAKENHI-PROJECT-21H03635
[Journal Article] Magnetic Ordering and Structural Transition in the Ordered Double-Perovskite Pb2NiMoO62022
- Author(s)
  Jianfa Zhao, Xiao Wang, Xi Shen, Christoph J Sahle, Cheng Dong, Hajime Hojo, Yuki Sakai, Jun Zhang, Wenmin Li, Lei Duan, Ting-Shan Chan, Chien-Te Chen, Johannes Falke, Cheng-En Liu, Chang-Yang Kuo, Zheng Deng, Xiancheng Wang, Richeng Yu, Runze Yu, Zhiwei Hu, Martha Greenblatt, Changqing Jin
- Journal Title
  
  Chemistry of Materials
  
  Volume: 34 Issue: 1 Pages: 97-106
- DOI
  10.1021/acs.chemmater.1c02826
- Data Source
  KAKENHI-PROJECT-20K21092
[Journal Article] Direct Identification of the Charge State in a Single Platinum Nanoparticle on Titanium Oxide2022
- Author(s)
  R. Aso, H. Hojo, Y. Takahashi, T. Akashi, Y. Midoh, F. Ichihashi, H. Nakajima, T. Tamaoka, K. Yubuta, H. Nakanishi, H. Einaga, T. Tanigaki, H. Shinada, Y. Murakami
- Journal Title
  
  Science
  
  Volume: 378 Issue: 6616 Pages: 202-206
- DOI
  10.1126/science.abq5868
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18904, KAKENHI-PROJECT-21H04623
[Journal Article] Automatic Electron Hologram Acquisition of Catalyst Nanoparticles Using Particle Detection with Image Processing and Machine Learning2022
- Author(s)
  F. Ichihashi, A. Koyama, T. Akashi, S. Miyauchi, K. Morooka, H. Hojo, H. Einaga, Y. Takahashi, T. Tanigaki, H. Shinada, Y. Murakami
- Journal Title
  
  Appl. Phys. Lett.
  
  Volume: 120
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H04623
[Journal Article] Controlling Diphenyl Ether Hydrogenolysis Selectivity by Tuning the Pt Support and H-Donors under Mild Conditions2021
- Author(s)
  Chen Zhu, Siyu Ding, Hajime Hojo, Hisahiro Einaga
- Journal Title
  
  ACS Catalysis
  
  Volume: 11 Issue: 20 Pages: 12661-12672
- DOI
  10.1021/acscatal.1c03999
- Data Source
  KAKENHI-PROJECT-20H02824
[Journal Article] Analysis of TEM Images of Metallic Nanoparticles using Convolutional Neural Networks and Transfer Learning2021
- Author(s)
  A.Koyama, S. Miyauchi, K. Morooka, H. Hojo, H. Einaga, Y. Murakami
- Journal Title
  
  J. Magn. Magn. Mater.
  
  Volume: 538 Pages: 168225-168225
- DOI
  10.1016/j.jmmm.2021.168225
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H04623
[Journal Article] Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis2021
- Author(s)
  Masaki Azuma, Hajime Hojo, Kengo Oka, Hajime Yamamoto, Keisuke Shimizu, Kei Shigematsu, and Yuki Sakai
- Journal Title
  
  Annual Review of Materials Research
  
  Volume: 51 Issue: 1 Pages: 329-349
- DOI
  10.1146/annurev-matsci-080819-011831
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21092, KAKENHI-PROJECT-18H05208, KAKENHI-PROJECT-19H05625
[Journal Article] Enhanced Piezoelectric Response in Orientation-Controlled BiFe1-xGaxO3 Thin Films with Polarization Rotation2021
- Author(s)
  Keisuke Shimizu, Hajime Hojo, Masaki Azuma
- Journal Title
  
  ACS Applied Electronic Materials
  
  Volume: 3 Issue: 10 Pages: 4459-4464
- DOI
  10.1021/acsaelm.1c00616
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21092, KAKENHI-PROJECT-19H05625
[Journal Article] Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO32021
- Author(s)
  Ye Xubin、Zhao Jianfa、Das Hena、Sheptyakov Denis、Yang Junye、et. al.
- Journal Title
  
  Nature Communications
  
  Volume: 12 Issue: 1 Pages: 1917-1917
- DOI
  10.1038/s41467-021-22064-9
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05246, KAKENHI-PROJECT-20K21092, KAKENHI-PROJECT-18H05208, KAKENHI-PROJECT-19H05625
[Journal Article] 次世代低消費電力メモリを実現するマルチフェロイック材料の開発2021
- Author(s)
  重松圭、東正樹、北條元
- Journal Title
  
  グリーンテクノロジー
  
  Volume: 1 Pages: 47-51
- Data Source
  KAKENHI-PROJECT-20K21092
[Journal Article] Fabrication and characterization of La-added MgFe2O4 as catalyst support for CO oxidation2021
- Author(s)
  Akane Doi, Kenji Obata, Shigenori Matsushima, Hajime Hojo, Hisahiro Einaga
- Journal Title
  
  Ceramics International
  
  Volume: 47 Issue: 23 Pages: 32786-32793
- DOI
  10.1016/j.ceramint.2021.08.175
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H02824, KAKENHI-PROJECT-21H03635, KAKENHI-PROJECT-19K05067, KAKENHI-PROJECT-20K05142
[Journal Article] Perovskite-Type CuNbO3 Exhibiting Unusual Noncollinear Ferrielectric to Collinear Ferroelectric Dipole Order Transition2020
- Author(s)
  Fukuda Masayuki、Yamada Ikuya、Murata Hidenobu、Hojo Hajime、Hernandez Olivier J.、Ritter Clemens、Tanaka Katsuhisa、Fujita Koji
- Journal Title
  
  Chemistry of Materials
  
  Volume: 32 Issue: 12 Pages: 5016-5027
- DOI
  10.1021/acs.chemmater.0c00444
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20546, KAKENHI-PROJECT-17H01320, KAKENHI-PROJECT-19H02433
[Journal Article] Catalyst design of Pt/TiO2 microsphere for benzene oxidation under microwave irradiation2020
- Author(s)
  Xin Liu, Siyu Ding, Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
- Journal Title
  
  Catalysis Today
  
  Volume: - Pages: 285-291
- DOI
  10.1016/j.cattod.2020.05.021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02824, KAKENHI-PROJECT-21H03635
[Journal Article] BiFe1-xCoxO3薄膜のスピン構造変化～電場による磁化の反転に成功、次世代低消費電力磁気メモリ実現の道拓く～2020
- Author(s)
  東正樹、重松圭、北條元、壬生攻
- Journal Title
  
  NanotechJapan Bulletin
  
  Volume: 13 Pages: 1-5
- Data Source
  KAKENHI-PROJECT-20K21092
[Journal Article] Photocatalytic oxidation process for treatment of gas phase benzene using Ti3+ self-doped TiO2 microsphere with sea urchin-like structure2020
- Author(s)
  X. Liu. Ya Zhang, S. Matsushima, H. Hojo, H. Einaga
- Journal Title
  
  Chem. Eng. J.
  
  Volume: 402 Pages: 126220-126220
- DOI
  10.1016/j.cej.2020.126220
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K05142, KAKENHI-PROJECT-20H02824
[Journal Article] Modulating the Structure and Magnetic Properties of ε-Fe2O3Nanoparticles via Electrochemical Li+ Insertion2020
- Author(s)
  Sou Yasuhra, Yosuke Hamasaki, Tsukasa Katayama, Takahiro Ao, Yoshiyuki Inaguma, Hajime Hojo, Maarit Karppinen, Anish Philip, Shintaro Yasui, and Mitsuru Itoh
- Journal Title
  
  Inorganic Chemistry
  
  Volume: 59 Issue: 7 Pages: 4357-4365
- DOI
  10.1021/acs.inorgchem.9b03302
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H06240, KAKENHI-PROJECT-17H04952, KAKENHI-PROJECT-19J15182, KAKENHI-PROJECT-18K14122, KAKENHI-PROJECT-19H02426, KAKENHI-PROJECT-20H02614, KAKENHI-PROJECT-18K19126
[Journal Article] Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film2019
- Author(s)
  Shimizu Keisuke、Kawabe Ryo、Hojo Hajime、Shimizu Haruki、Yamamoto Hajime、Katsumata Marin、Shigematsu Kei、Mibu Ko、Kumagai Yu、Oba Fumiyasu、Azuma Masaki
- Journal Title
  
  Nano Letters
  
  Volume: 19 Issue: 3 Pages: 1767-1773
- DOI
  10.1021/acs.nanolett.8b04765
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H02393, KAKENHI-PROJECT-17H04952, KAKENHI-PROJECT-18H05208
[Journal Article] Large Negative Thermal Expansion Induced by Synergistic Effects of Ferroelectrostriction and Spin Crossover in PbTiO3-Based Perovskites2019
- Author(s)
  Z. Pan, J. Chen, R. Yu, L. Patra, P. Ravindran, A. Sanson, R. Milazzo, A. Carnera, L. Hu, L. Wang, H. Yamamoto, Y. Ren, Q. Huang, Y. Sakai, T. Nishikubo, T. Ogata, X. Fan, Y. Li, G. Li, H. Hojo, M. Azuma, X. Xing
- Journal Title
  
  Chem. Mater.
  
  Volume: 31 Issue: 4 Pages: 1296-1303
- DOI
  10.1021/acs.chemmater.8b04266
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Journal Article] Enhanced Negative Thermal Expansion Induced by Simultaneous Charge Transfer and Polar-Nonpolar Transitions2019
- Author(s)
  Takumi Nishikubo, Yuki Sakai, Kengo Oka, Tetsu Watanuki, Akihiko Machida, Masaichiro Mizumaki, Koki Maebayashi, Takashi Imai, Takahiro Ogata, Keisuke Yokoyama, Yoichi Okimoto, Shin-ya Koshihara, Hajime Hojo, Takashi Mizokawa and Masaki Azuma
- Journal Title
  
  J. Am. Chem. Soc.
  
  Volume: 141 Issue: 49 Pages: 19397-19403
- DOI
  10.1021/jacs.9b10336
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H05208, KAKENHI-PROJECT-19H05625, KAKENHI-PROJECT-17H04952, KAKENHI-PROJECT-16K05731
[Journal Article] Sodium titanium oxide bronze nanoparticles synthesized via concurrent reduction and Na+-doping into TiO2(B)2019
- Author(s)
  George Hasegawa,* Moeko Tanaka, Junie Jhon M. Vequizo, Akira Yamakata, Hajime Hojo, Makoto Kobayashi, Masato Kakihana, Miki Inada, Hirofumi Akamatsu, Katsuro Hayashi*
- Journal Title
  
  Nanoscale
  
  Volume: in press Issue: 3 Pages: 1442-1450
- DOI
  10.1039/c8nr08372j
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-16H06439, KAKENHI-PLANNED-16H06440, KAKENHI-PROJECT-16H04188, KAKENHI-PROJECT-16K05935, KAKENHI-PUBLICLY-16H00852, KAKENHI-PUBLICLY-17H05491, KAKENHI-PROJECT-17H04952
[Journal Article] Room temperature ferromagnetism in BiFe1－xMnxO3 thin film induced by spin-structure manipulation2018
- Author(s)
  Kei Shigematsu, Takeshi Asakura, Hajime Yamamoto, Keisuke Shimizu, Marin Katsumata, Haruki Shimizu, Yuki Sakai, Hajime Hojo, Ko Mibu, and Masaki Azuma
- Journal Title
  
  Appl. Phys. Lett.
  
  Volume: 109 Issue: 19 Pages: 192905-192905
- DOI
  10.1063/1.5024710
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14105, KAKENHI-PROJECT-16H02393, KAKENHI-PROJECT-17H04952
[Journal Article] Development of Bismuth Ferrite as a Piezoelectric and Multiferroic material2018
- Author(s)
  H. Hojo, K. Oka, K. Shimizu, H. Yamamoto, R. Kawabe, and M. Azuma
- Journal Title
  
  Adv. Mater.
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H04952
[Journal Article] Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites2018
- Author(s)
  Azuma Masaki、Sakai Yuki、Nishikubo Takumi、Mizumaki Masaichiro、Watanuki Tetsu、Mizokawa Takashi、Oka Kengo、Hojo Hajime、Naka Makoto
- Journal Title
  
  Dalton Transactions
  
  Volume: 47 Issue: 5 Pages: 1371-1377
- DOI
  10.1039/c7dt03244g
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K17731, KAKENHI-PUBLICLY-16H00883, KAKENHI-PROJECT-16H02393
[Journal Article] Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution2018
- Author(s)
  Hojo Hajime、Oka Kengo、Shimizu Keisuke、Yamamoto Hajime、Kawabe Ryo、Azuma Masaki
- Journal Title
  
  Advanced Materials
  
  Volume: 30 Issue: 33 Pages: 1705665-1705665
- DOI
  10.1002/adma.201705665
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H02393
[Journal Article] A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO32017
- Author(s)
  Y. Sakai, J. Yang, R. Yu, H. Hojo, I. Yamada, P. Miao, S. Lee, S. Torii, T. Kamiyama, M. Lezaic, G. Bihlmayer, M. Mizumaki, J. Komiyama, T. Mizokawa, H. Yamamoto, T. Nishikubo, Y. Hattori, K. Oka, Y. Yin, J. Dai, W. Li, S. Ueda, A. Aimi, D. Mori, Y. Inaguma, Z. Hu, T. Uozumi, C. Jin, Y. Long, and M. Azuma
- Journal Title
  
  J. Am. Chem. Soc.
  
  Volume: 139 Issue: 12 Pages: 4574-4581
- DOI
  10.1021/jacs.7b01851
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883, KAKENHI-PROJECT-16H02393, KAKENHI-PROJECT-15K14119
[Journal Article] High-Pressure Synthesis of the Cobalt Pyrochlore Oxide Pb2Co2O7 with Large Cation Mixed Occupancy2017
- Author(s)
  Junye Yang, Jianhong Dai, Zhehong Liu, Runze Yu, Hajime Hojo, Zhiwei Hu, Tunwen Pi, Yunhang Soo, Changqing Jin, Masaki Azuma, Youwen Long
- Journal Title
  
  Inorganic Chemistry
  
  Volume: 56 Issue: 19 Pages: 11676-11680
- DOI
  10.1021/acs.inorgchem.7b01646
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Journal Article] Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe1－xCoxO3 Thin Films2017
- Author(s)
  Hajime Hojo, Ryo Kawabe, Keisuke Shimizu, Hajime Yamamoto, Ko Mibu, Kartik Samanta, Tanusri Saha-Dasgupta, and Masaki Azuma
- Journal Title
  
  Advanced Materials
  
  Volume: なし Issue: 9
- DOI
  10.1002/adma.201603131
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K14119, KAKENHI-PUBLICLY-16H00883
[Journal Article] Enhanced Piezoelectric Response due to Polarization Rotation in Cobalt-Substituted BiFeO 3 Epitaxial Thin Films2016
- Author(s)
  Keisuke Shimizu, Hajime Hojo, Yuichi Ikuhara, and Masaki Azuma
- Journal Title
  
  Advanced Materials
  
  Volume: 28 Issue: 39 Pages: 8639-8644
- DOI
  10.1002/adma.201602450
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H02393, KAKENHI-PROJECT-15K14119
[Journal Article] High-Temperature Monoclinic Cc Phase with Reduced c/a Ratio in Bi- based Perovskite Compound Bi2ZnTi1－xMnxO62016
- Author(s)
  Runze Yu, Narumi Matsuda, Ken Tominaga, Keisuke Shimizu, Hajime Hojo, Yuki Sakai, Hajime Yamamoto, Kengo Oka, and Masaki Azuma
- Journal Title
  
  Inorganic Chemistry
  
  Volume: 55 Issue: 12 Pages: 6124-6129
- DOI
  10.1021/acs.inorgchem.6b00618
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K14119
[Journal Article] Structural evolution and enhanced piezoresponse in cobalt-substituted BiFe03 thin films2014
- Author(s)
  Hajime Hojo, Ko Onuma, Yuichi Ikuhara, Masaki Azuma
- Journal Title
  
  Applied Physics Express
  
  Volume: 7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26820291
[Patent] 強磁性強誘電体薄膜における室温での電場印加磁化反転2017
- Inventor(s)
  酒井雄樹、東正樹、清水啓佑、川邊諒、北條元、他2名
- Industrial Property Rights Holder
  公益財団法人神奈川科学技術アカデミー
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2017-124316
- Filing Date
  2017
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] SrCoO3-δ薄膜の作製とそのCO酸化特性2024
- Author(s)
  古賀幸、北條元、永長久寛
- Organizer
  第133回触媒討論会
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] Ptを担持した形態制御CeO2ナノ粒子における酸素空孔分布の直接観察2023
- Author(s)
  川本裕太、北條元、永長久寛
- Organizer
  第61回セラミックス基礎科学討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Pt/CeO2モデル触媒における担体上の酸素空孔量の定量的評価2023
- Author(s)
  藤井和史、北條元、永長久寛
- Organizer
  第132回触媒討論会
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] Pt/TiO2薄膜モデル触媒の作製とその原子・電構造解析2023
- Author(s)
  鈴木隆玄、北條元、永長久寛
- Organizer
  第132回触媒討論会
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] LaCoO3エピタキシャル薄膜の作製とそのCO酸化特性2023
- Author(s)
  安達翔一、北條元、永長久寛
- Organizer
  強的秩序とその操作に関わる第16回講演会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] 結晶面・格子歪みと格子酸素の反応性の相関解明に関する研究2023
- Author(s)
  北條元
- Organizer
  第166回　フロンティア材料研究所学術講演会
- Invited
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] 酸化セリウム薄膜へのエピタキシャル歪みの導入とその原子構造・電子状態解析2023
- Author(s)
  日高州平、北條元、永長久寛
- Organizer
  第61回セラミックス基礎科学討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Crystal-face dependence of metal-support interaction in Pt/CeO2 model catalysts2023
- Author(s)
  Kazushi Fujii, Hajime Hojo, Hisahiro Einaga
- Organizer
  The 19th Korea-Japan Symposium on Catalysis
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] Fabrication of thin-film-based Pt/TiO2 model catalysts and their atomic and electronic structures2023
- Author(s)
  Ryugen Suzuki, Hajime Hojo, Hisahiro Einaga
- Organizer
  The 19th Korea-Japan Symposium on Catalysis
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] 酸化物触媒における格子酸素の反応性制御指針確立に関する研究2023
- Author(s)
  北條元
- Organizer
  第61回オーロラセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K26739
[Presentation] Pt/CeO2モデル触媒における金属担体相互作用のナノ粒子サイズと結晶面依存性2022
- Author(s)
  藤井和史、北條元、永長久寛
- Organizer
  第130回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] 画像解析と機械学習を用いた触媒ナノ粒子の自動ホログラム取得2022
- Author(s)
  市橋史朗、小山朗、明石哲也、宮内翔子、諸岡健一、北條元、永長久寛、高橋由夫、谷垣俊明、品田博之、村上恭和
- Organizer
  日本顕微鏡学会第78回学術講演会
- Data Source
  KAKENHI-PROJECT-21H04623
[Presentation] Pd/BaCO3/Al2O3の触媒特性と硫黄被毒挙動に関する検討2022
- Author(s)
  重信咲季、北條元、杉山武晴、永長久寛
- Organizer
  第130回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] The effect of SO2 on the catalytic properties of Pd/CeO22022
- Author(s)
  Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
- Organizer
  The 9th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT-9)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] The Effect of SO2 on the Local Structure of Pd/CeO22021
- Author(s)
  Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
- Organizer
  The 23rd Cross Straits Symposium on Energy and Environmental Science and Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] La-Ni系ペロブスカイト型酸化物の触媒特性向上に関する研究2021
- Author(s)
  猪原由香、北條元、永長久寛
- Organizer
  第59回セラミックス基礎科学討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] ペロブスカイト型Ni 酸化物の微構造と触媒特性2021
- Author(s)
  園田瑞歩、猪原由香、北條元、永長久寛
- Organizer
  日本セラミックス協会　第34回秋季シンポジウム
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Mapping electrostatic potential around a Pt nanoparticle supported on TiO2 (110)2021
- Author(s)
  Y. Takahashi, T. Akashi, H. Hojo, H. Einaga, H. Nakajima, F. Ichihashi, T. Tanigaki, H. Shinada, Y. Murakami
- Organizer
  Microscopy & Microanalysis 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04623
[Presentation] Effect of SO2 on the Catalytic Properties of Pd/Al2O32021
- Author(s)
  Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
- Organizer
  Materials Research Meeting 2021 (MRM2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Pd/CeO2への SO2吸着挙動に関する検討2021
- Author(s)
  重信咲季，北條元，永長久寛
- Organizer
  第128回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Pd担持CeO2の触媒特性・耐硫黄被毒特性の向上2020
- Author(s)
  重信咲季、北條元、永長久寛
- Organizer
  第126回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] 酸化セリウム薄膜への格子歪み導入とその原子構造・電子状態解析2020
- Author(s)
  相戸康志、北條元、永長久寛
- Organizer
  第126回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] ε-Fe2O3ナノ粒子へのLi+挿入とその挿入課程の調査2020
- Author(s)
  安原颯、濵嵜容丞、阿尾貴博、稲熊宜之、北條元、安井伸太郎、伊藤満
- Organizer
  第67回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] 表面サイトへの異種金属添加によるLaMnO3触媒特性の制御2020
- Author(s)
  桑原孝輔、北條元、永長久寛
- Organizer
  第126回触媒討論会
- Data Source
  KAKENHI-PROJECT-20H02824
[Presentation] Magnetization Reversal by Electric Field at Room Temperature in BiFe0.9Co0.1O3 Epitaxial Thin Film2019
- Author(s)
  H. Hojo, K. Shimizu, R. Kawabe, H. Yamamoto, H. Shimizu, M. Katsumata, K. Mibu, M. Azuma
- Organizer
  26TH INTERNATIONAL WORKSHOP ON OXIDE ELECTRONIcs (iWOE 26)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Magnetization Reversal by Electric Field at Room Temperature2019
- Author(s)
  M. Azuma, K. Shimizu, R. Kawabe, H. Yamamoto, K. Shigematsu, H. Hojo, K. Mibu
- Organizer
  The 8th Indo-Japan Seminar “Designing Emergent Materials”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Reversible phase transition and irreversible topochemical reaction in a perovskite-type CuNbO32019
- Author(s)
  M. Fukuda, I. Yamada, H. Murata, H. Hojo, K. Tanaka, and K. Fujita
- Organizer
  The 11th International Conference on the Science and Technology for Advanced Ceramics（STAC-11）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Polarization rotation as the origin of enhanced piezoelectric response in BiFe1-xCoxO3 and BiFe1-xGaxO3 thin films2019
- Author(s)
  H. Hojo, K. Shimizu, M. Azuma
- Organizer
  Asia-Pacific PFM 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Co置換によるBiFeO3の圧電・マルチフェロイック特性制御2019
- Author(s)
  北條元、清水啓佑、川邉諒、山本孟、壬生攻、東正樹
- Organizer
  強誘電体関連物質の機能発現に関する構造科学の新展開
- Invited
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Reversible phase transition and irreversible topochemical reaction in a perovskite-type CuNbO32019
- Author(s)
  Masayuki Fukuda, Ikuya Yamada, Hidenobu Murata, Hajime Hojo, Katsuhisa Tanaka, Koji Fujita
- Organizer
  The 11th International Conference on the Science and Technology for Advanced Ceramics（STAC-11）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01320
[Presentation] BiFe1-xCoxO3エピタキシャル薄膜における室温での電場印加磁化反転2019
- Author(s)
  北條元、清水啓佑、川邉諒、壬生攻、東正樹
- Organizer
  強的秩序とその操作に関する研究グループ第9回研究会（若手夏の学校）
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] ε-Fe2O3ナノ粒子へのLi+挿入とその磁気物性2019
- Author(s)
  安原颯、濵嵜容丞、阿尾貴博、北條元、安井伸太郎、伊藤満
- Organizer
  強的秩序とその操作に関する研究グループ第9回研究会（若手夏の学校）
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] 電気化学的手法によりLi挿入したε-Fe2O3ナノ粒子の磁性2019
- Author(s)
  安原颯、濵嵜容丞、阿尾貴博、稲熊宜之、北條元、安井伸太郎、伊藤満
- Organizer
  第80回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] ペロブスカイト型酸化物CuNbO3の高圧合成とその特異な熱分解挙動2018
- Author(s)
  福田真幸, 田中勝久, 藤田晃司, 山田幾也, 北條元
- Organizer
  日本セラミックス協会第31回秋季シンポジウム
- Data Source
  KAKENHI-PROJECT-17H01320
[Presentation] Observation of anion order in the Pb-Ti-O-F oxyfluoride system2018
- Author(s)
  Kengo Oka, Hajime Hojo, Masaki Azuma, Katsuyoshi Oh-ishi
- Organizer
  ICPAC Langkawi
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] ペロブスカイト型酸化物CuNbO3の高圧合成とトポケミカル分解2018
- Author(s)
  福田真幸, 田中勝久, 藤田晃司, 山田幾也, 北條元
- Organizer
  日本材料学会第4回材料WEEK
- Data Source
  KAKENHI-PROJECT-17H01320
[Presentation] Structural and Magnetic Evolution of Co Substituted BiFeO32018
- Author(s)
  Hajime Hojo
- Organizer
  Key Laboratory of Extreme Conditions Physics, CAS, Young Academic Forum(36)
- Invited
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Co置換BiFeO3薄膜における電場印加による磁化反転2018
- Author(s)
  北條元
- Organizer
  第28回日本MRS年次大会
- Invited
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Co置換BiFeO3薄膜における電場による面外磁化の反転2018
- Author(s)
  清水啓佑、川邊諒、北條元、山本孟、壬生攻、東正樹
- Organizer
  第65回応用物理学会春期学術講演会
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Magnetization Reversal by Electric Field at Room Temperature in Co Substituted BiFeO3 Thin Film2018
- Author(s)
  M. Azuma, K. Shimizu, H. Hojo, R. Kawabe, H. Yamamoto, K. Shigematsu and K. Mibu
- Organizer
  IFAAP Hiroshima2018
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Co置換によるBiFeO3の圧電特性・マルチフェロイック特性制御2018
- Author(s)
  北條元
- Organizer
  東京工業大学、第70回フロンティア材料研究所講演会
- Invited
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Co置換BiFeO3薄膜における電場印加による磁化反転2018
- Author(s)
  北條元
- Organizer
  第28回日本MRS年次大会
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Polarization rotation in BiFe1-xCoxO3 and BiFe1-xGaxO3 epitaxial thin films2017
- Author(s)
  K. Shimizu, H. Hojo, M. Azuma
- Organizer
  The 2nd International Symposium on Negative Thermal Expansion and Related Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] マルチフェロイックBiFe0.9Fe0.1O3薄膜への第3元素置換2017
- Author(s)
  清水陽樹、清水啓佑、山本孟、北條元、重松圭、東正樹
- Organizer
  応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] ペロブスカイトPbMnO3 の構造と物性2017
- Author(s)
  山本樹・酒井雄樹・北條元・西久保匠・東正樹・山田幾也・水牧仁一朗・溝川貴司・上田茂典
- Organizer
  第55回セラミックス基礎科学討論会
- Place of Presentation
  岡山コンベンションセンター
- Year and Date
  2017-01-12
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Ferromagnetism in BiFe1-xCoxO3 Thin Films and the Correlation between Ferroelectric and Ferromagnetic domains2017
- Author(s)
  H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto, K. Mibu, and M. Azuma
- Organizer
  STAC-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] ペロブスカイトPbMnO3 の構造と物性2017
- Author(s)
  山本樹, 山本孟, 西久保匠, 服部雄一郎, 酒井雄樹, 北條元、山田幾也, 水牧仁一朗, 溝川貴司, 上田茂典, 東正樹
- Organizer
  日本物理学会第72回年次大会
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Ferromagnetism in BiFe1-xCoxO3 Thin Films and the Correlation between Ferroelectric and Ferromagnetic domains2017
- Author(s)
  H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto, K. Mibu, and M. Azuma
- Organizer
  IEEE ISAF-IWATMD-PFM
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] BiNi1-xFexO3の負熱膨張と局所構造2017
- Author(s)
  西久保匠, 前林航紀, 酒井雄樹, 岡研吾, 北條元, 溝川貴司, 綿貫徹, 町田晃彦, 東正樹
- Organizer
  日本物理学会第73回年次大会
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Room temperature ferromagnetism in Co substituted BiFeO3 induced by　spin structure change2017
- Author(s)
  M. Azuma, H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto、K. Mibu、K. Samanta and T. Saha-Dasgupta
- Organizer
  Indo-US Bilateral Workshop on Physics and Chemistry of Oxides: Theory meets Experiment
- Place of Presentation
  コルコタ
- Year and Date
  2017-01-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] A-site and B-site charge orderings of perovskite PbCoO32017
- Author(s)
  YUKI SAKAI, RUNZE YU, HAJIME YAMAMOTO, HAJIME HOJO, MASAKI AZUMA,IKUYA YAMADA,JUNYE YANG, YUNYU YIN, YOUWEN LONG,PING MIAO, SANGHYUN LEE, SHUKI TORII, TAKASHI KAMIYAMA
- Organizer
  APS March Meeting
- Place of Presentation
  ニューオリンズ
- Year and Date
  2017-03-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] A-site and B-site charge orderings of perovskite PbCoO32017
- Author(s)
  Y. SAKAI, R. YU, H. YAMAMOTO, H. HOJO, M. AZUMA, I. YAMADA, J. YANG, Y. YIN, Y. LONG, P. MIAO, S. LEE, S. TORII, T. KAMIYAMA
- Organizer
  APS March Meeting 2017
- Place of Presentation
  New Orleans, U.S.A.
- Year and Date
  2017-03-13
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] BiFe1-xCoxO3薄膜における強磁性発現と強誘電ドメインと強磁性ドメインの相関2017
- Author(s)
  北條元、川邊諒、清水啓佑、山本孟、壬生攻、東正樹
- Organizer
  粉体粉末冶金協会　平成29年度秋季大会
- Invited
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] BiFe1-xCoxO3薄膜における強磁性発現と強誘電ドメインと強磁性ドメインの相関2017
- Author(s)
  北條元、川邊諒、清水啓佑、山本孟、壬生攻、東正樹
- Organizer
  第27回日本MRS年次大会
- Invited
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] Room temperature ferromagnetism in Co substituted BiFeO3 induced by　spin structure change2017
- Author(s)
  M. Azuma, H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto、K. Mibu、K. Samanta and T. Saha-Dasgupta
- Organizer
  M. Azuma, H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto、K. Mibu、K. Samanta and T. Saha-Dasgupta
- Place of Presentation
  コルカタ
- Year and Date
  2017-01-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Crystal structure, Valence Distribution and Physical Properties of A-site and B-site Charge Ordered Perovskite PbCoO32017
- Author(s)
  Yuki Sakai, Junye Yang, Runze Yu, Hajime Hojo, Azuma Masaki et al.
- Organizer
  The 2nd International Symposium on Negative Thermal Expansion and Related Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] Crystal structure, Valence Distribution and Physical Properties of A-site and B-site Charge Ordered Perovskite PbCoO32017
- Author(s)
  Yuki Sakai, Junye Yang, Runze Yu, Hajime Hojo, M. Azuma et al.
- Organizer
  The 26th International Conference on High Pressure Science and Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] Enhanced piezoelectric response due to polarization rotation in Co-substituted BiFeO3 epitaxial thin films2017
- Author(s)
  K. Shimizu, H. Hojo, Y. Ikuhara, and Masaki Azuma
- Organizer
  IEEE-ISAF-IWATMD-PFM Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Enhanced piezoelectric response due to polarization rotation in cobalt-substituted BiFeO3 epitaxial thin films2017
- Author(s)
  Keisuke SHIMIZU, Hajime HOJO, Yuichi IKUHARA, Masaki AZUMA
- Organizer
  JPSM International Conference on Powder and Powder Metallurgy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Enhanced piezoelectric response due to polarization rotation in cobalt-substituted BiFeO3 epitaxial thin films2017
- Author(s)
  K. Shimizu, H. Hojo, Y. Ikuhara, M. Azuma
- Organizer
  JSPM international Conference on Powder and Powder Metallurgy 60th Anniversary
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Enhanced Piezoelectric Response Due to Polarization Rotation in Co-substituted BiFeO3 Epitaxial Thin Films2017
- Author(s)
  K. Shimizu, H. Hojo, Y. Ikuhara, M. Azuma
- Organizer
  IEEE ISAF-IWATMD-PFM
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04952
[Presentation] Bi系ペロブスカイト圧電体における分極回転2016
- Author(s)
  東　正樹・清水啓祐・北條元・松田奈瑠美・于潤澤・富永健・岡研吾
- Organizer
  日本セラミックス協会　第29回秋季シンポジウム
- Place of Presentation
  広島大学
- Year and Date
  2016-09-07
- Invited
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] ペロブスカイト PbCoO3 が示す A サイト B サイト電荷秩序2016
- Author(s)
  酒井雄樹、YU Runze、山本孟、北條元、東正樹、山田幾也、JUNYE Yang、YUNYU Yin、YOUWEN Long、MIAO Ping、LEE Sanghyun、鳥居周輝、神山崇
- Organizer
  第57回高圧討論会
- Place of Presentation
  筑波大学
- Year and Date
  2016-10-26
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] Bi2ZnTiO6 薄膜の結晶構造とその誘電特性2016
- Author(s)
  富永健・北條元・東正樹
- Organizer
  第63回応用物理学会春季学術講演会
- Place of Presentation
  東工大大岡山キャンパス
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] ペロブスカイトPbCoO3が示すAサイトBサイト電荷秩序2016
- Author(s)
  酒井雄樹、于潤澤、山本孟、北條元、東正樹、山田幾也、Junye Yang、Yunyu Yin、Youwen Long、 Ping Miao、SangHyun Lee、鳥居周輝、神山崇
- Organizer
  第1回固体化学フォーラム研究会
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] Room Temperature Ferromagnetism in Co Substituted BiFeO3 Induced by Spin Structure Change2016
- Author(s)
  M. Azuma, H. Hojo, R. Kawabe, H. Yamamoto, and K. Mibu
- Organizer
  The 8th APCTP Workshop on Multiferroics
- Place of Presentation
  上海大学
- Year and Date
  2016-10-07
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] ペロブスカイトPbCoO3のAサイトBサイト電荷秩序2016
- Author(s)
  酒井雄樹, 于潤澤, 山本孟, 北條元, 東正樹, 山田幾也, Junye Yang, Yunyu Yin, Youwen Long, Ping Miao, SangHyun Lee, 鳥居周輝, 神山崇
- Organizer
  日本物理学会2016年秋季大会
- Place of Presentation
  金沢大学
- Year and Date
  2016-09-13
- Data Source
  KAKENHI-PUBLICLY-16H00883
[Presentation] 単斜晶 BiFeBiFe 1-xGa xO3の圧電特性の配向依存特性2016
- Author(s)
  清水啓佑、北條元、東正樹
- Organizer
  誘電体・磁性体若手夏の学校
- Place of Presentation
  ルーセントタカミヤ
- Year and Date
  2016-08-26
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] 巨大c/a相Ga置換BiFeO3薄膜の作製と配向制御2016
- Author(s)
  清水啓佑、北條元、東正樹
- Organizer
  第63回応用物理学会春季学術講演会
- Place of Presentation
  東京
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] c/a が抑制されたペロブスカイト Bi2ZnTi1-xMnxO62016
- Author(s)
  松田奈瑠美，于潤澤，富永健，清水啓佑，北條元，東正樹，酒井雄樹，岡研吾
- Organizer
  日本セラミックス協会 2016年年会
- Place of Presentation
  早稲田大学
- Year and Date
  2016-03-14
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] ペロブスカイトPbCoO3のAサイトBサイト電荷秩序2016
- Author(s)
  酒井雄樹, 于潤澤, 山本孟, 北條元, 東正樹, 山田幾也, Junye Yang, Yunyu Yin, Youwen Long, Ping Miao, SangHyun Lee, 鳥居周輝, 神山崇、東正樹
- Organizer
  日本物理学会2016秋季大会
- Place of Presentation
  金沢大学
- Year and Date
  2016-09-13
- Data Source
  KAKENHI-PROJECT-16H02393
[Presentation] Fabrication of novel lead-free ferroelectric Bi2ZnTi1-xMnxO6 thin film2015
- Author(s)
  Ken Tominaga, Narumi Matsuda, Hajime Hojo, Keisuke Shimizu and Masaki Azuma
- Organizer
  第17回日米誘電体・圧電体セラミックスセミナー
- Place of Presentation
  長野県　ホテル　ブエナビスタ
- Year and Date
  2015-11-15
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] Crystal structures and piezoelectric properties in BiFe1-xCoxO3 thin films with a giant c/a ratio2015
- Author(s)
  Keisuke Shimizu, Hajime Hojo, and Masaki Azuma
- Organizer
  17th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
- Place of Presentation
  Nagano
- Year and Date
  2015-11-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] c/a を抑制したペロブスカイト圧電体 Bi2Zn1-xNixTi1-yMnyO62015
- Author(s)
  松田奈瑠美、于潤澤、北條元、東正樹、酒井雄樹、岡研吾
- Organizer
  日本セラミックス協会　第28回秋季シンポジウム
- Place of Presentation
  富山大学
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] Newly found piezoelectric perovskite compound Bi2ZnTi1-xMnxO6 with suppressed c/a ratio2015
- Author(s)
  N.Matsuda , R.Yu, K. Tominaga, H.Hojo, K.Oka, Y.Sakai, M.Azuma
- Organizer
  ＳＴＡＣ－９
- Place of Presentation
  エポカルつくば
- Year and Date
  2015-10-19
- Data Source
  KAKENHI-PROJECT-15K14119
[Presentation] 巨大なc/a比を有するBiFe1-xCoxO3薄膜の結晶構造と圧電特性2015
- Author(s)
  北條元、清水啓佑、幾原雄一、東正樹
- Organizer
  第25回日本MRS年次大会
- Place of Presentation
  神奈川
- Year and Date
  2015-12-08
- Invited
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] 巨大なc/a比を有するBiFe1-xCoxO3薄膜の作製とその結晶構造および電気的特性2015
- Author(s)
  清水啓佑、北條元、東正樹
- Organizer
  第32回強誘電体応用会議
- Place of Presentation
  京都
- Year and Date
  2015-05-20
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] LaAlO3基板上に作製したBiFe1-xCoxO3薄膜の結晶構造と電気特性2015
- Author(s)
  北條元、清水啓佑、東正樹
- Organizer
  誘電体スピントロニクス研究会
- Place of Presentation
  宮城
- Year and Date
  2015-01-05
- Invited
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] 巨大なc/a比を有するBiFel-xCoxO3薄膜の結晶構造と圧電特性の関係
- Author(s)
  清水啓佑、北條元、幾原雄一、東正樹
- Organizer
  第62回応用物理学会春季学術講演会
- Place of Presentation
  神奈川
- Year and Date
  2015-03-11 – 2015-03-14
- Data Source
  KAKENHI-PROJECT-26820291
[Presentation] LaAlO3基板上に作製したCo置換BiFeO3薄膜の結晶構造およびドメイン
- Author(s)
  清水啓佑、大沼航、北條元、東正樹
- Organizer
  第75回応用物理学会秋季学術講演会
- Place of Presentation
  北海道
- Year and Date
  2014-09-17 – 2014-09-20
- Data Source
  KAKENHI-PROJECT-26820291

1. Tanaka Katsuhisa (80188292)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
2. Masaki Azuma (40273510)

# of Collaborated Projects: 2 results

# of Collaborated Products: 28 results
3. 村井俊介 (20378805)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 藤田晃司 (50314240)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
5. 山田幾也 (30378880)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
6. 水牧仁一朗 (60360830)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
7. 綿貫徹 (30343932)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. 妹尾仁嗣 (30415054)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 岡研吾 (80602044)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
10. 永長久寛 (90356593)

# of Collaborated Projects: 1 results

# of Collaborated Products: 23 results
11. 村上恭和 (30281992)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
12. 松田潤子 (00415952)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 吉岡聰 (50452818)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 玉岡武泰 (00871229)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 吉田秀人 (00452425)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. Inaguma Yoshiyuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. OKIMOTO Yoichi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. KOBAYASHI Makoto

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
19. 重松圭

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
20. 中惇

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
21. Das Hena

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
22. 羽田真毅

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
23. 腰原伸也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
24. 松嶋茂憲

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
25. 伊藤満

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
26. 垣花眞人

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hojo Hajime 北條 元

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異相界面の定量化と触媒機能設計Principal Investigator

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金属担持触媒の電気分極～高感度化された電子線ホログラフィーと雰囲気制御による解明

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Revealing the mechanism of magnetization reversal by electric field in room-temperature multiferroic thin filmsPrincipal Investigator

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Designing the reactivity of lattice oxygen by precisely controlling the lattice planes and strainPrincipal Investigator

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Search for novel magnetic oxides with multifunctionalities and their device applications

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Polarization Rotation: Designing and Realizing Large Piezoelectric ResponsesPrincipal Investigator

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ナノ構造制御による巨大負熱膨張物質の開発Principal Investigator

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Clarification of s-d interorbital charge distribution change in Bi and Pb-perovskites and the application to giant negative thermal expansion materials

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Relization of giant piezpelectric response induced by polarization rotation

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Realization of giant piezoelectric response induced by electric-field-induced phase transitionPrincipal Investigator

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Synthesis and magnetic functionalities of metastable oxide thin films

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[Journal Article] Lattice-Plane-Dependent Distribution of Ce3+ at Pt and CeO2 Interfaces for Pt/CeO<sub>2</sub> Catalysts2024

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[Journal Article] Catalytic properties of LaNiO3 and Mn-modified LaNiO3 catalysts for oxidation of CO and benzene2023

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Hojo Hajime 北條元