@article{CTT100862997, author = {Yosuke Hamasaki and Shintaro Yasui and Tsukasa Katayama and Takanori Kiguchi and Shinya Sawai and MITSURU ITOH}, title = {Ferroelectric and magnetic properties in ε-Fe2O3 epitaxial film}, journal = {}, year = 2021, } @article{CTT100864060, author = {Yang Zhang and Hui Wang and Koki Tachiyama and Tsukasa Katayama and Yinghao Zhu and Si Wu and Hai- feng Li and Jinghong Fang and Qin Li and Yun Shi and Ling Wang and Zhengqian Fu and Fangfang Xu and Jianding Yu and Shintaro Yasui and Mitsuru Itoh}, title = {Single-crystal synthesis of ε-Fe2O3-type oxides exhibiting room- temperature ferrimagnetism and ferroelectric polarization}, journal = {Single-crystal synthesis of ε-Fe2O3-type oxide exhibiting room- temperature ferrimagnetism and ferroelectric polarization}, year = 2021, } @article{CTT100859084, author = {Jun Kasahara and Tsukasa Katayama and Shishin Mo and Akira Chikamatsu and Yosuke Hamasaki and Shintaro Yasui and Mitsuru Itoh and Tetsuya Hasegawa}, title = {Room-Temperature Antiferroelectricity in Multiferroic Hexagonal Rare-Earth Ferrites}, journal = {ACS Applied Materials & Interfaces}, year = 2021, } @article{CTT100841969, author = {Hui Wang and Yang Zhang and Koki Tachiyama and Zhaoyang Xia and Jinghong Fang and Qin Li and Guofeng Cheng and Yun Shi and Jianding Yu and Tsukasa Katayama and Shintaro Yasui and Mitsuru Itoh}, title = {Large Polarization Switching and High-Temperature Magnetoelectric Coupling in Multiferroic GaFeO3 Systems}, journal = {Inorganic Chemistry}, year = 2020, } @article{CTT100826764, author = {Ke Gu and Tsukasa Katayama and Shintaro Yasui and Akira Chikamatsu and Sou Yasuhara and Mitsuru Itoh and Tetsuya Hasegawa}, title = {A simple method to obtain large-size single-crystalline oxide sheets}, journal = {Advanced Functional Materials}, year = 2020, } @article{CTT100821397, author = {Sou Yasuhara and Yosuke Hamasaki and Tsukasa Katayama and Takahiro Ao and Yoshiyuki Inaguma and Hajime Hojo and Maarit Karppinen and Anish Philip and Shintaro Yasui and Mitsuru Itoh}, title = {Modulating the Structure and Magnetic Properties of ε‐Fe2O3 Nanoparticles via Electrochemical Li+ Insertion}, journal = {Inorganic chemistry}, year = 2020, } @article{CTT100821403, author = {Badari Narayana Rao and Shintaro Yasui and Yefei Han and Yosuke Hamasaki and Tsukasa Katayama and Takahisa Shiraishi and Takanori Kiguchi and Mitsuru Itoh}, title = {Redox-Based Multilevel Resistive Switching in AlFeO3 Thin-Film Heterostructures}, journal = {ACS Applied Electronic Materials}, year = 2020, } @article{CTT100840336, author = {Yosuke Hamasaki and Tsukasa Katayama and Shintaro Yasui and Takahisa Shiraishi and Akihiro Akama and Takanori Kiguchi and Tomoyasu Taniyama and Mitsuru Itoh}, title = {Switchable third ScFeO3 polar ferromagnet with YMnO3-type structure}, journal = {Journal of materials chemistry C}, year = 2020, } @article{CTT100814342, author = {Badari Narayana Rao and Shintaro Yasui and Tsukasa Katayama and Ayako Taguchi and Hiroki Moriwake and Yosuke Hamasaki and Mitsuru Itoh}, title = {Investigation of Ferrimagnetism and Ferroelectricity in AlxFe2-xO3 Thin Films}, journal = {Journal of Materials Chemistry C}, year = 2020, } @article{CTT100799984, author = {Shintaro Yasui and Tsukasa Katayama and Takuya Osakabe and Yosuke Hamasaki and Tomoyasu Taniyama and Mitsuru Itoh}, title = {Ferroelectric and Ferrimagnetic Properties of ε-RhxFe2-xO3 Thin Films}, journal = {Journal of the Ceramic Society of Japan}, year = 2019, } @article{CTT100799512, author = {Badari Narayana Aroor Rao and Shintaro Yasui and Tsukasa Katayama and Mitsuru Itoh}, title = {Fabrication and Characterization of Multiferroic Al0.5Fe1.5O3 Epitaxial Thin Films}, journal = {MRS Advances}, year = 2019, } @article{CTT100799511, author = {Koki Tachiyama and Shintaro Yasui and Badari Narayana Aroor Rao and Takuro Dazai and Takamasa Usami and Tomoyasu Taniyama and Tsukasa Katayama and Yosuke Hamasaki and Jianding Yu and Huan He and Hui Wang and Mitsuru Itoh}, title = {Magnetic Properties of Single Crystal GaFeO3}, journal = {MRS Advances}, year = 2019, } @article{CTT100786894, author = {Minghui Zhang and Shintaro Yasui and Tsukasa Katayama and Badari Narayana Rao and Haiqin Wen and Xiuhong Pan and Meibo Tang and Fei Ai and Mitsuru Itoh}, title = {Epitaxial Growth of Orthorhombic GaFeO3 Thin Films on SrTiO3 (111) Substrates by Simple Sol-Gel Method}, journal = {Materials}, year = 2019, } @article{CTT100772775, author = {Tsukasa Katayama and Takuya Osakabe and Shintaro Yasui and Yosuke Hamasaki and Badari Narayana Rao and Minghui Zhang and Mitsuru Itoh}, title = {Effect of Cr Substitution on Ferrimagnetic and Ferroelectric Properties of GaFeO3 Epitaxial Thin Films}, journal = {Applied Physics Letters}, year = 2018, } @article{CTT100760126, author = {Tsukasa Katayama and Shintaro Yasui and Takuya Osakabe and Yosuke Hamasaki and Mitsuru Itoh}, title = {Ferrimagnetism and Ferroelectricity in Cr-Substituted GaFeO3 Epitaxial Films}, journal = {Chemistry of Materials}, year = 2018, } @article{CTT100756765, author = {Tsukasa Katayama and Shintaro Yasui and Yosuke Hamasaki and Takahisa Shiraishi and Akihiro Akama and Takenori Kiguchi and Mitsuru Itoh}, title = {Ferroelectric and Magnetic Properties in Room-temperature Multiferroic GaxFe2-xO3 Epitaxial Thin Films}, journal = {Advanced Functional Materials}, year = 2018, } @article{CTT100757529, author = {Tsukasa Katayama and Shintaro Yasui and Yosuke Hamasaki and Takuya Osakabe and Mitsuru Itoh}, title = {Chemical Tuning of Room-temperature Ferrimagnetism and Ferroelectricity in e-Fe2O3-type Multiferroic Oxide Thin Films}, journal = {Journal of Materials Chemistry C}, year = 2017, } @article{CTT100753167, author = {Tsukasa Katayama and Yosuke Hamasaki and Shintaro Yasui and Akiko Miyahara and Mitsuru Itoh}, title = {Epitaxial Thin Film Growth of Garnet-, GdFeO3-, and YMnO3-type LuFeO3 using Pulsed Laser Deposition}, journal = {Thin Solid Films}, year = 2017, } @article{CTT100742666, author = {Tsukasa Katayama and Shintaro Yasui and Yosuke Hamasaki and Mitsuru Itoh}, title = {Control of Crystal-Domain Orientation in Multiferroic Ga0.6Fe1.4O3 Epitaxial Thin Films}, journal = {Applied Physics Letters}, year = 2017, } @article{CTT100757528, author = {Tsukasa Katayama and Shintaro Yasui and Yosuke Hamasaki and Mitsuru Itoh}, title = {Electric Transport Characteristics of Gallium Iron Oxide Epitaxial Thin Film}, journal = {MRS Advances}, year = 2017, } @article{CTT100741236, author = {Y. Kurauchi and H. Kamisaka and T. Katayama and A. Chikamatsu and T. Hasegawa}, title = {First-principles calculations on the crystal/electronic structure and phase stability of H-doped SrFeO2}, journal = {J. Phys. Chem. C}, year = 2017, } @article{CTT100741235, author = {T. Onozuka and A. Chikamatsu and T. Katayama and Y. Hirose and I. Harayama and D. Sekiba and E. Ikenaga and M. Minohara and H. Kumigashira and T. Hasegawa}, title = {Reversible Changes in Resistance of Perovskite Nickelate NdNiO3 Thin Films Induced by Fluorine Substitution}, journal = {ACS Appl. Mater. Interfaces}, year = 2017, } @article{CTT100737037, author = {K. Kawahara and A. Chikamatsu and T. Katayama and T. Onozuka and D. Ogawa and K. Morikawa and E. Ikenaga and Y. Hirose and I. Harayama and D. Sekiba and T. Fukumura and T. Hasegawa}, title = {Topotactic fluorination of perovskite strontium ruthenate thin films using polyvinylidene fluoride}, journal = {CrystEngComm}, year = 2017, } @article{CTT100737039, author = {Tsukasa Katayama and A. Chikamatsu and K. Yamada and K. Shigematsu and T. Onozuka and M. Minohara and H. Kumigashira and E. Ikenaga and T. Hasegawa}, title = {Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films}, journal = {J. Appl. Phys.}, year = 2016, } @article{CTT100752116, author = {Tsukasa Katayama and Akira Chikamatsu and Keisuke Yamada and Kei Shigematsu and Tomoya Onozuka and Makoto Minohara and Hiroshi Kumigashira and Eiji Ikenaga and Tetsuya Hasegawa}, title = {Epitaxial growth and electronic structure of oxyhydride SrVO2H thin films}, journal = {}, year = 2016, } @article{CTT100737045, author = {T. Onozuka and A. Chikamatsu and T. Katayama and T. Fukumura and T. Hasegawa}, title = {Formation of defect-fluorite structured NdNiOxHy epitaxial thin films via soft chemical route from NdNiO3 precursor}, journal = {Dalton Trans.}, year = 2016, } @article{CTT100737040, author = {T. Katayama and A. Chikamatsu and T. Fukumura and T. Hasegawa}, title = {Topotactic reductive synthesis of A-site cation-ordered perovskite YBaCo2Ox (x = 4.5−5.5) epitaxial thin films}, journal = {Jpn. J. Appl. Phys}, year = 2016, } @article{CTT100737038, author = {T. Katayama and A. Chikamatsu and H. Kamisaka and H. Kumigashira and T. Hasegawa}, title = {Experimental and theoretical investigation of electronic structure of SrFeO3-xFx epitaxial thin films prepared via topotactic reaction}, journal = {Appl. Phys. Express}, year = 2016, } @article{CTT100737061, author = {T. Katayama and A. Chikamatsu and H. Kamisaka and Y. Yokoyama and Y. Hirata and H. Wadati and T. Fukumura and T. Hasegawa}, title = {Topotactic synthesis of strontium cobalt oxyhydride thin film with perovskite structure}, journal = {AIP Adv.}, year = 2015, } @article{CTT100752126, author = {Kaori Kurita and Akira Chikamatsu and Kei Shigematsu and Tsukasa Katayama and Hiroshi Kumigashira and Tomoteru Fukumura and Tetsuya Hasegawa}, title = {Effects of Cr substitution on the magnetic and transport properties and electronic states of SrRu O 3 epitaxial thin films}, journal = {Phys. Rev. B}, year = 2015, } @article{CTT100737046, author = {T. Katayama and A. Chikamatsu and Y. Hirose and T. Fukumura and T. Hasegawa}, title = {Topotactic reductive fluorination of strontium cobalt oxide epitaxial thin films}, journal = {J. Sol-Gel Sci. Technol.}, year = 2015, } @article{CTT100737067, author = {T. Katayama and A. Chikamatsu and Y. Hirose and R. Takagi and H. Kamisaka and T. Fukumura and T. Hasegawa}, title = {Topotactic fluorination of strontium iron oxide thin films using polyvinylidene fluoride}, journal = {J. Mater. Chem. C}, year = 2014, } @article{CTT100737064, author = {T. Katayama and A. Chikamatsu and Y Hirose and H. Kumigashira and T. Fukumura and T. Hasegawa}, title = {Metallic conductivity in infinite-layer strontium iron oxide thin films reduced by calcium hydride}, journal = {J. Phys. D: Appl. Phys.}, year = 2014, } @article{CTT100737068, author = {A. Chikamatsu and T. Matsuyama and T. Katayama and Y. Hirose and H. Kumigashira and M. Oshima and T. Fukumura and T. Hasegawa}, title = {Electronic and transport properties of Eu-substituted infinite-layer strontium ferrite thin films}, journal = {J. Cryst. Growth}, year = 2013, } @inproceedings{CTT100887361, author = {Shintaro Yasui and Tsukasa Katayama and Yosuke Hamasaki and MITSURU ITOH}, title = {Unique Polarization Switching system in Kappa-Al2O3-type Multiferroics}, booktitle = {}, year = 2023, } @inproceedings{CTT100853197, author = {菊地 泰生 and 安原 颯 and 片山司 and 鶴見 敬章 and 保科 拓也}, title = {(Ba,Sr)-3Al2O6犠牲層を用いたBaTiO3単結晶自立膜の作製}, booktitle = {}, year = 2021, } @inproceedings{CTT100840415, author = {Shintaro Yasui and Tsukasa Katayama and Yosuke Hamasaki and Takahisa Shiraishi and Akihiro Akama and Takenori Kiguchi and Ayako Konishi and Hiroki Moriwake and Mitsuru Itoh}, title = {Kappa-almina-type Structured Multiferroics}, booktitle = {}, year = 2019, } @inproceedings{CTT100780636, author = {Mitsuru Itoh and Shintaro Yasui and Tsukasa Katayama and Hiroki Moriwake and Ayako Konishi and Jianding Yu and Yosuke Hamasaki}, title = {Magnetic and Dielectric Properties of Single Crystal GaFeO3}, booktitle = {}, year = 2018, } @inproceedings{CTT100780649, author = {Badari Narayana Rao and Tsukasa Katayama and Shintaro Yasui and Mitsuru Itoh}, title = {Room Temperature Ferroelectricity in Multiferroic AlxFe2-xO3 Epitaxial Thin Films}, booktitle = {}, year = 2018, } @inproceedings{CTT100780639, author = {Shintaro Yasui and Koki Tachiyama and Tsukasa Katayama and Takuro Dazai and Yosuke Hamasaki and Huan He and Hui Wang and Jianding Yu and Mitsuru Itoh}, title = {Preparation of k-Al2O3-Type Ferroelectric Single Crystal and Single Domain Epitaxial Thin Film and Their Properties}, booktitle = {}, year = 2018, } @inproceedings{CTT100780637, author = {Tsukasa Katayama and Shintaro Yasui and Mitsuru Itoh}, title = {Ferrimagnetism and Ferroelectricity in Ga0.5Cr0.5FeO3 Epitaxial Thin Films}, booktitle = {}, year = 2018, } @inproceedings{CTT100780654, author = {Badari Narayana Aroor Rao and Tsukasa Katayama and Shintaro Yasui and Mitsuru Itoh}, title = {Characterization of Multiferroic Al2Fe2-xO3 Epitaxial Thin Films}, booktitle = {}, year = 2018, } @inproceedings{CTT100780659, author = {K. Tachiyama and T. Katayama and T. Osakabe and T. Dazai and J. Yu and H. He and H. Wang and Y. Hamasaki and S. Yasui and T. Taniyama and M. Itoh}, title = {Preparation of GaFeO3 Single Crystal and Epitaxial Thin Films on Single Crystal}, booktitle = {}, year = 2018, } @inproceedings{CTT100780609, author = {Shintaro Yasui and Tsukasa Katayama and Yosuke Hamasaki and Ayako Konishi and Hiroki Moriwake and Takahisa Shiraishi and Akihiro Akama and Takanori Kiguchi and Mitsuru Itoh}, title = {Limited Polarization Reversal in Ferroelectric/ Ferrimagnetic k-Al2O3-type Structured Materials}, booktitle = {}, year = 2017, } @inproceedings{CTT100780603, author = {Shintaro Yasui and Tsukasa Katayama and Yosuke Hamasaki and Takahisa Shiraishi and Akihiro Akama and Takanori Kiguchi and Mitsuru Itoh}, title = {Multi-Domain Structures in Gallium Ferrite Ferroelectric/Ferrimagnetic Thin Films}, booktitle = {}, year = 2017, } @inproceedings{CTT100780601, author = {T. Osakabe and Y. Hamasaki and T. Katayama and S. Yasui and T. Taniyama and M. Itoh}, title = {Rh Substitution Effect on Ferrimagnetic and Ferroelectric Properties in Multiferroic ε-Fe2O3 Thin Films}, booktitle = {}, year = 2017, } @inproceedings{CTT100780600, author = {Mitsuru Itoh and Yosuke Hamasaki and Shintaro Yasui and Tsukasa Katayama and Tomoyasu Taniyama and Ayako Konishi and Hiroki Moriwake}, title = {Phase Control of Metastable ABO3 Oxides by PLD}, booktitle = {}, year = 2017, } @inproceedings{CTT100780593, author = {Shintaro Yasui and Yosuke Hamasaki and Tsukasa Katayama and Takuya Osakabe and Ayako Konishi and Hiroki Moriwake and Mitsuru Itoh}, title = {Shear-driven Novel Ferroelectric Materials: k-Al2O3 Type Structure}, booktitle = {}, year = 2017, } @inproceedings{CTT100780594, author = {Mitsuru Itoh and Yosuke Hamasaki and Shintaro Yasui and Tsukasa Katayama and Takuya Osakabe and Tomoyasu Taniyama and Ayako Konishi and Hiroki Moriwake}, title = {Ferroelectricity and Magnetic Properties in k-Al2O3-type Oxides}, booktitle = {}, year = 2017, } @inproceedings{CTT100780591, author = {Tsukasa Katayama and Yosuke Hamasaki and Shintaro Yasui and Mitsuru Itoh}, title = {Magnetic and Dielectric Properties in Room-Temperature Mutiferroic GaxFe2-xO3 Epitaxial Thin Films}, booktitle = {}, year = 2017, } @inproceedings{CTT100798690, author = {横山 優一 and 山本 航平 and 田久保 耕 and 平田 靖透 and 片山 司 and 近松 彰 and 長谷川 哲也 and 和達 大樹}, title = {19pDC-8 X線吸収分光で見たコバルト酸水素化物薄膜の電子構造}, booktitle = {日本物理学会講演概要集}, year = 2015, } @inproceedings{CTT100744249, author = {Mitsuru Itoh and Yosuke Hamasaki and Shintaro Yasui and Tsukasa Katayama and Tomoyasu Taniyama and Ayako Konishi and Hiroki Moriwake}, title = {Phase Control of Metastable ABO3 Oxides by PLD}, booktitle = {}, year = , } @inproceedings{CTT100735995, author = {伊藤 満 and 濵嵜 容丞 and 片山司 and 安井 伸太郎 and 谷山 智康}, title = {k-Al2O3型(A,Fe)2O3 (A=Al, Ga, Fe, Rh, Sc, In)薄膜の磁性と強誘電性}, booktitle = {}, year = , } @inproceedings{CTT100735813, author = {片山司 and 安井 伸太郎 and 濵嵜 容丞 and 越阪部 拓也 and 伊藤 満}, title = {元素置換サイト設計による室温マルチフェロイックGaFeO3型酸化物薄膜の磁気誘電特性制御}, booktitle = {}, year = , } @inproceedings{CTT100735463, author = {伊藤 満 and 濵嵜 容丞 and 片山司 and 越阪部 拓也 and 安井 伸太郎 and 谷山 智康}, title = {k-Al2O3型(A,Fe)2O3(A=Al,Ga,Fe,Sc,Rh,In)酸化物の強誘電性と磁性}, booktitle = {}, year = , } @inproceedings{CTT100735071, author = {越阪部 拓也 and 濵嵜 容丞 and 片山司 and 安井 伸太郎 and 谷山 智康 and 伊藤 満}, title = {マルチフェロイックε-Fe2O3薄膜の磁気誘電特性へのRh置換効果}, booktitle = {}, year = , } @inproceedings{CTT100733774, author = {Mitsuru Itoh and Yosuke Hamasaki and Ayako Konishi and Hiroki Moriwake and Shintaro Yasui and Tsukasa Katayama and Tomoyasu Taniyama}, title = {Ferroelectricity and Ferrimagnetism in k-Al2O3-type (A, Fe)O3 (A=Al, Ga, Fe, Sc, and In)}, booktitle = {}, year = , } @inproceedings{CTT100726978, author = {片山司 and 濵嵜 容丞 and 安井 伸太郎 and 伊藤 満}, title = {マルチフェロイックGaxFe2-xO3薄膜の磁気誘電特性}, booktitle = {}, year = , } @inproceedings{CTT100738577, author = {Tsukasa Katayama and Yosuke Hamasaki and Shintaro Yasui and Mitsuru Itoh}, title = {Magnetic and Dielectric Properties in Room-Temperature Mutiferroic GaxFe2-xO3 Epitaxial Thin Films}, booktitle = {}, year = , } @inproceedings{CTT100742392, author = {Mitsuru Itoh and Yosuke Hamasaki and Shintaro Yasui and Tsukasa Katayama and Takuya Osakabe and Tomoyasu Taniyama and Ayako Konishi and Hiroki Moriwake}, title = {Ferroelectricity and Magnetic Properties in k-Al2O3-type Oxides}, booktitle = {}, year = , } @inproceedings{CTT100742394, author = {Shintaro Yasui and Yosuke Hamasaki and Tsukasa Katayama and Takuya Osakabe and Ayako Konishi and Hiroki Moriwake and Mitsuru Itoh}, title = {Shear-driven Novel Ferroelectric Materials: k-Al2O3 Type Structure}, booktitle = {}, year = , } @inproceedings{CTT100726969, author = {越阪部 拓也 and 濵嵜 容丞 and 片山司 and 安井 伸太郎 and 谷山 智康 and 伊藤 満}, title = {θ-Fe2O3薄膜の構造と磁気特性へのRh置換効果}, booktitle = {}, year = , }