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研究論文

研究論文

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2021年度
2020年度
2019年度以前
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2021年度

2020年度 論文一覧

(115) Yosuke Hamasaki*, Shintaro Yasui, Tsukasa Katayama, Takanori Kiguchi, Shinya Sawai, and Mitsuru Itoh, “Ferroelectric and magnetic properties in e-Fe2O3 epitaxial film” Appl. Phys. Lett., 119, 182904, 2021. (10.1063/5.0063021)

(114) Y. Kawahawa, R. Harada, S. Maruyama*, T. Koganezawa, S. Yasui, M. Itoh, and Y. Matsumoto, “Epitaxial piller-matrix nano composite thin films of Bi-Ti-Fe-O and CoFe2O4 grown on SrTiO3 (110)” J. Appl. Phys., 130, 084101-1-9, 2021. (10.1063/5.0060610)

(113) Yang Zhang, Hui Wang, Koki Tachiyama, Tsukasa Kaytayama*, Yinghao Zhu, Si Wu, Hai-feng Li, Jinghong Fang, Qin Li, Yun Shi, Ling Wang, Zhengqian Fu, Fangfang Xu, Jianding yu*, Shintaro Yasui*, and Mitsutu Itoh, “Single-Crystal Synthesis of ε‑Fe2O3‑Type Oxides Exhibiting Room- Temperature Ferrimagnetism and Ferroelectric Polarization” Cryst. Growth Des., 21, 4904-4908, 2021.  (10.1021/acs.cgd.1c00310)

(112) Sou  Yasuhara*, Shitnaro Yasui*, Takashi Teranishi, Takuya Hoshina, Takaaki Tsurumi, and Mitsuru Itoh*, “A surface-supporting method for an anode material of  Li4Ti5O12 via an epitaxial thin film approach” Jpn. J. Appl. Phys., 60, SFFB11-1-4, 2021. (10.35848/1347-4065/ac15a8)

(111) Sou Yasuhara*, Shitnaro Yasui*, Takashi Teranishi, Osami Sakata, Takuya Hoshina, Takaaki Tsurumi, Yutaka Majima, and Mitsuru Itoh*, “Suppression Mechanisms of Solid Electrolyte Interface Formation at Triple-phase Interfaces in Thin Film Li-ion Batteries” ACS Appl. Mater. Interfaces, 13, 34027-34032, 2021.  (10.1021/acsami.1c05090)

(110) Tsukasa Katayama*, Akira Chikamatsu, Yujun Zhang, Shintaro Yasui, Hiroki Wadati, and Tetsuya Hasegawa, “Ionic Order Engineering in Double-Perovskite Cobaltite” Chem. Mater., 33, 5675-5680, 2021.  (10.1021/acs.chemmater.1c01228)

(109) Vivek Paulraj, Shintaro Yasui and Kamala Bharathi Karuppanan*, “Excellent Electrochemical Properties, Li ion Dynamics and Room Temperature Work Function of Li2MnO3 Cathode Thin Films” Nanotechnology, 32, 385406-1-8, 2021. (10.1088/1361-6528/ac0b1c)

(108) Ayumi Itoh*, Shintaro Yasui and Yoshinao Kobayashi, “Estimation of reactor vessel failure by metallic interaction in Fukushima Daiichi Nuclear Power Plant accident” J. Nucl. Sci. Tech., 2021. in press (10.1080/00223131.2021.1931521)

(107) Takashi Teranishi*, Kaisei Kozai, Sou Yasuhara, Shintaro Yasui, Naoyuki Ishida, Kunihiro Ishida, Masanobu Nakayama, Akira Kishimoto, “Ultrafast charge transfer at the electrode−electrolyte interface via an artificial dielectric layer” J. Power Sources, 494, 229710, 2021. (10.1016/j.jpowsour.2021.229710)


2020年度

2020年度 論文一覧

(106) Sou Yasuhara*, Shintaro Yasui*, Takashi Teranishi, Takuya Hoshina, Takaaki Tsurumi and Mitsuru Itoh, “Surface-supporting method of micropad deposition onto LiCoO2 epitaxial thin films to improve high C-rate performance” J. Ceram. Soc. Jpn. , 129, 415-418, 2021. (10.2109/jcersj2.20237)

(105) S. Kato, N. Nakajima*, S. Yasui, S. Yasuhara, D. Fu, J .Adachi, H .Nitani, Y .Takeichi, A .Anspoks, “Dielectric response of BaTiO3 electronic states under AC fields via microsecond time-resolved X-ray absorption spectroscopy”, Acta Materialia, 207, 116681, 2021. (10.1016/j.actamat.2021.116681)

(104) Jun Kasahara, Tsukasa Katayama*, Shishin Mo, Akira Chikamatsu, Yosuke Hamasaki, Shintaro Yasui, Mitsuru Itoh, and Tetsuya Hasegawa, “Room-Temperature Antiferroelectricity in Multiferroic Hexagonal Rare-Earth Ferrites” ACS Appl. Mater. Interfaces, 13, 4230-4235, 2021. (10.1021/acsami.0c20924)

(103) Hui Wang, Yang Zhang, Koki Tachiyama, Zaoyang Xia, Jinghong Fang,Qin Li, Guofeng Cheng, Yun  Shi, Jianging Yu*, Tsukasa Katayama, Shintaro Yasui, and Mitsuru Itoh “Large polarization switching and high-temperature magnetoelectric coupling in multiferroic GaFeO3 systems” Inorg. Chem., 60, 225-230, 2021. (10.1021/acs.inorgchem.0c02855)

(102) Sruthy Subash, Shintaro Yasui, Sou Yasuhara, L.N.Patro, K. Kamala Bharathi*, “Evaluation of band edge parameters, Li ion dynamics and excellent electrochemical properties of Li4Ti5O12 anode thin films” Electrochimica Acta, 354, 136741, 2020. (10.1016/j.electacta.2020.136741)

(101) Katsuyoshi Komatsu, Ippei Suzuki, Takumi Aoki, Yosuke Hamasaki, Shintaro Yasui, Mitsuru Itoh, and Tomoyasu Taniyama*, “In-plane ferroelectricity and enhanced Curie temperature in perovskite BaTiO3 epitaxial thin films” Appl. Phys. Lett. 117, 072902-1-5, 2020. (10.1063/5.0013484)

(100) Takuro Dazai, Shintaro Yasui*, Tomoyasu Taniyama, and Mitsutu Itoh*, “Epitaxial strain engineering of luminescent properties in ZnGa2O4:Mn thin films” Appl. Phys. Exp. 13, 082004, 2020. (10.35848/1882-0786/aba286) 

(99) Takuro Dazai, Shintaro Yasui*, Tomoyasu Taniyama, and Mitsutu Itoh*, “Bandgap tuning and optimization of green-emitting Zn2SnO4-Mg2SnO4:Mn2+ using combinatorial pulsed laser deposition” Ceram. Inter. 46, 21771-21774, 2020. (10.1016/j.ceramint.2020.05.288)

(98) In-Tae Bae*, Shintaro Yasui*, Tomohiro Ichinose, Mitsuru Itoh, Takahisa Shiraishi, Takanori Kiguchi, and Hiroshi Naganuma “Growth mechanism and domain structure study on epitaxial BiFeO3 film grown on (La0.3Sr0.7)(Al0.65Ta0.35)O3” J. Appl. Phys. 127, 245303 (2020). (10.1063/5.0005672)

(97) Norihiro Oshime*, Jun Kano*, Eiji Ikenaga, Shintaro Yasui, Yosuke Hamasaki, Sou Yasuhara, Satoshi Hinokuma, Naoshi Ikeda, Pierre-Eymeric Janolin, Jean-Michel Kiat, Mitsuru itoh, Takayoshi Yokoya, Tatsuo Fujii, Akira Yasui, Hitoshi Osawa, “Skewed electronic band structure induced by electric polarization in ferroelectric BaTiO3”, Sci. Rep. 10, 10702, 2020. (10.1038/s41598-020-67651-w)

(96) Takuro Dazai, Shintaro Yasui*, Tomoyasu Taniyama, and Mitsutu Itoh*, “Cation-Deficiency-Induced Crystal-Site Engineering for ZnGa2O4:Mn2+ Thin Film” Inorg. Chem. 59, 8744-8748, 2020. (10.1021/acs.inorgchem.0c00359)


2019年度以前

2019年度以前 論文一覧

(95) Ke Gu, Tsukasa Katayama*, Shintaro Yasui, Akira Chikamatsu, Sou Yasuhara, Mitsuru Itoh, and Tetsuya Hasegawa, “Simple Method to Obtain Large‐Size Single‐Crystalline Oxide Sheets” Adv. Funct. Mater. 30, 2001236, 2020. (10.1002/adfm.202001236)

(94) Badari Narayana Rao, Shintaro Yasui, Yefei Han, Yosuke Hamasaki, Tsukasa Katayama, Takahisa Shiraishi, Takanori Kiguchi, Mitsuru Itoh “Redox-Based Multilevel Resistive Switching in AlFeO3 Thin-Film Heterostructures” ACS Appl. Electro. Mater. 2(4) 1065-1073, 2020. (10.1021/acsaelm.0c00083)

(93) Sou Yasuhara, Yosuke Hamasaki, Tsukasa Katayama, Takahiro Ao, Yoshiyuki Inaguma, Hajime Hojo, Maarit Karppinen, Anish Philip, Shintaro Yasui, Mitsuru Itoh “Modulating the Structure and Magnetic Properties of ε-Fe2O3 Nanoparticles via Electrochemical Li+ Insertion” Inorg. Chem. 59(7) 4357-4365, 2020. (10.1021/acs.inorgchem.9b03302)

(92) Badari Narayana Rao, Shintaro Yasui, Tsukasa Katayama, Ayako Taguchi, Hiroki Moriwake, Yosuke Hamasaki and Mitsuru Itoh “Investigation of ferrimagnetism and ferroelectricity in AlxFe2−xO3 thin films” J. Mater. Chem. C, 8, 706-714, 2020. (10.1039/C9TC05390E)

(91) Yosuke Hamasaki, Tsukasa Katayama, Shintaro Yasui, Takahisa Shiraishi, Akihiro Akama, Takanori Kiguchi, Tomoyasu Taniyama and Mitsuru Itoh “Switchable third ScFeO3 polar ferromagnet with YMnO3-type structure” J. Mater. Chem. C, 8, 4447-4452, 2020. (10.1039/C9TC07006K) 

(90) Akira Hosono, Yuji Masubuchi, Shintaro Yasui, Masaki Takesada, Takashi Endo, Mikio Higuchi, Mitsuru Itoh, and Shinichi Kikkawa “Ferroelectric BaTaO2N Crystals Grown in a BaCN2 Flux” Inorg. Chem. 58(24) 16752-16760, 2019. (10.1021/acs.inorgchem.9b02917)

(89) Sou Yasuhara, Shintaro Yasui*, Takashi Teranishi, Yumi Yoshikawa, Tomoyasu Taniyama and Mitsuru Itoh “The effects of BaTiO3 nanodots density support on epitaxial LiCoO2 thin-film for high-speed rechargeability” Electrochem. Commun. 109, 106604, 2019. (10.1016/j.elecom.2019.106604)

(88) Sou Yasuhara, Shintaro Yasui*, Takashi Teranishi, Yumi Yoshikawa, Tomoyasu Taniyama and Mitsuru Itoh “The effect of relative permittivity of surface supporting materials for high-speed rechargeable LiCoO2 cathode film” J. Power Sources, 441(30), 227194, 2019. (10.1016/j.jpowsour.2019.227194) 

(87) Yoshitaka Ehara, Takao Shimizu, Shintaro Yasui, Takahiro Oikawa, Takahisa Shiraishi, Hiroki Tanaka, Noriyuki Kanenko, Ronald Maran, Tomoaki Yamada, Yasuhiko Imai, Osami Sakata, Nagarajan Valanoor, and Hiroshi Funakubo “Ferroelastic domain motion by pulsed electric field in (111)/(11-1) rhombohedral epitaxial Pb(Zr0.65Ti0.35)O3 thin films: Fast switching and relaxation” Phys. Rev. B, 100, 104116, 2019. (10.1103/PhysRevB.100.104116)

(86) Shintaro Yasui*, Tsukasa Katayama, Takuya Osakabe, Yosuke Hamasaki, Tomoyasu Taniyama, Mitsuru Itoh “Ferroelectric and Ferrimagnetic properties of e-RhxFe2-xO3 thin films” J. Ceram. Soc. Jpn., 127(7), 474-477, 2019. (10.2109/jcersj2.19048)

(85) In-Tae Bae*, Shintaro Yasui, Tomohiro Ichinose, Mitsuru Itoh, Takahisa Shiraishi, Takanori Kiguchi, and Hiroshi Naganuma “Short Range Biaxial Strain Relief Mechanism within Epitaxially Grown BiFeO3” Sci. Rep. 9, 6715-1-10, 2019. (10.1038/s41598-019-42998-x)

(84) Sou Yasuhara(Equal contribution), Shintaro Yasui(Equal contribution)*, Takashi Teranishi(Equal contribution), Keisuke Chajima, Yumi Yoshikawa, Yutaka Majima, Tomoyasu Taniyama, and Mitsuru Itoh “Enhancement of Ultra-high Rate Chargeability by Interfacial Nanodot BaTiO3 Treatment on LiCoO2 Cathode Thin Film Batteries” Nano Lett. 19, 1688-1694, 2019. (10.1021/acs.nanolett.8b04690)

(83) Akira Nagaoka*, Manato Takeuchi, Kenji Yoshino, Shigeru Ikeda, Shintaro Yasui, Tomoyasu Taniyama, and Kensuke Nishioka* “Growth of CuSbS2 Single Crystal as an Environmentally Friendly Thermoelectric Material” Physica Status Solidi A, 216, 1800861, 2019. (DOI: 10.1002/pssa.201800861)

(82) Badari Narayana Aroor Rao, Shintaro Yasui, Tsukasa Katayama, and Mitsuru Itoh* “Fabrication and Characterization of Multiferroic Al0.5Fe1.5O3 Epitaxial Thin Films” MRS Adv. 4, 539, 2019. (DOI: 10.1557/adv.2019.121) 

(81) Koki Tachiyama, Shintaro Yasui, Badari Narayana Aroor Rao, Takuro Dazai, Takamasa Usami, Tomoyasu Taniyama, Tsukasa Katayama, Yosuke Hamasaki, Jianding Yu, Huan He, Hui Wang, and Mitsuru Itoh* “Magnetic properties of Single Crystal GaFeO3” MRS Adv. 4, 61, 2019. (DOI: 10.1557/adv.2019.37)

(80) Minghui Zhang, Shintaro Yasui, Tsukasa Katayama, Badari Narayana Rao, Haiqin Wen, Xiuhong Pan, Meibo Tang, Fei Ai*, Mitsuru Itoh* “Epitaxial growth of orthorhombic GaFeO3 thin films on SrTiO3 (111) substrates by simple sol-gel method” Materials, 12, 254, 2019. (10.3390/ma12020254) 

(79) Yujiro Tojo, Taizo Shibuya, Tetsuro Nakamura, Koichiro Shoji, Hirotaka Fujioka, Masanori Matoba, Shintaro Yasui, Mitsuru Itoh, Soshi Iimura, Hidenori Hiramatsu, Hideo Hosono, Shigeto Hirai, Wendy Mao, Shinji Kitao, Makoto Seto, and Yoichi Kamihara “Superconducting transition Temperatures in the Electronic and Magnetic Phase Diagrams of Sr2VFeAsO3-δ, a Superconductor” J. Phys. Condens. Matter, 31, 115801, 2019. (10.1088/1361-648X/aaf7e0) 

(78) Hirokazu Chiba, Rikyu Ikariyama, Shintaro Yasui, and Hiroshi Funakubo “Growth of Epitaxial Bismuth Ruthenate Pyrochlore Films on Yttria-stabilized Zirconia (YSZ) and YSZ-buffered Si Substrates by Metal-organic Chemical Vapor Deposition” Thin Solid Films, 669, 471-474, 2018. (10.1016/j.tsf.2018.10.052) 

(77) Hiroki Taniguchi, Shingo Tatewaki, Shintaro Yasui, Yasuhiro Fujii, Jun-ichi Yamaura, and Ichiro Terasaki “Structural Variations and Dielectric Properties of (Bi1-xLax)2SiO5 (0≤x≤0.1) : Polycrystallines Synthesized by Crystallization of Bi-Si-O and Bi-La-Si-O Glasses” Phys. Rev. Mater., 2, 045603, 2018. (10.1103/PhysRevMaterials.2.045603) 

(76) In-Tae Bae, Tomohiro Ichinose, Shintaro Yasui, Andras Kovacs, Hong Jian Zhao, Jorge Iniguez, and Hiroshi Naganuma “Strategy to Utilize Transmission Electron Microscopy and X-ray Diffraction to Investigate Biaxial Strain Effect in Epitaxial BiFeO3 Films” Jpn. J. Appl. Phys., 57, 0902A5, 2018. (10.7567/JJAP.57.0902A5) 

(75) Hiroshi Uchida, Noriyuki Kaneko, Shintaro Yasui, and Hiroshi Funakubo “Solid-solution Thin Films of Ternary BaTiO3-Bi(Mg1/2Ti1/2)O3-BiFeO3 System Epitaxially Grown on SrRuO3//SrTiO3 Substrates via Chemical Solution Process” Jpn. J. Appl. Phys., 57, 0902B5, 2018. (10.7567/JJAP.57.0902B5/meta) 

(74) Tomohiro Ichinose, Shintaro Yasui, In-Tae Bae, and Hiroshi Naganuma “Determination of Rhombohedral Structure of BiFeO3 Single-domation- like Films Grown on SrTiO3 and LaAlO3 Substrates by X-ray Diffraction Using (213)hex” Jpn. J. Appl. Phys., 57, 0902BC, 2018. (10.7567/JJAP.57.0902BC)

(73) Sou Yasuhara, Shintaro Yasui*, Tomoyasu Taniyama, and Mitsuru Itoh “High-Rate Performance of LiCoO2 Epitaxial Thin Films with Various Surface Conditions” MRS Adv., 3, 1243-1247, 2018. (10.1557/adv.2018.253) 

(72) Akira Nagaoka, Taizo Masuda, Shintaro Yasui, Tomoyasu Taniyama, and Yoshitaro Nose “Effects of Chalcogen Composition on the Thermoelectric Properties in Cu2ZnSn(S1-xSex)4 Single Crystals” Jpn. J. Appl. Phys. 57, 101201, 2018. (10.7567/JJAP.57.101201) 

(71) Akira Nagaoka, Taizo Masuda, Shintaro Yasui, Tomoyasu Taniyama, and Yoshitaro Nose “The Single-crystal Multinary Compound Cu2ZnSnS4 as an Environmentally Friendly High-performance Thermoelectric Material” Appl. Phys. Exp., 11, 051203, 2018. (10.7567/APEX.11.051203)

(70) Tsukasa Katayama*, Takuya Osakabe, Shintaro Yasui, Yosuke Hamasaki, Badari Narayana Rao, Minghui Zhang, and Mitsuru Itoh* “Effect of Cr Substitution on Ferrimagnetic and Ferroelectric Properties of GaFeO3 Epitaxial Thin Films” Appl. Phys. Lett., 113, 162901-1-4, 2018. (10.1063/1.5029442) 

(69) Takashi Teranishi*, Naoto Katsuji, Keisuke Chajima, Sou Yasuhara, Masahiro Inohara, Yumi Yoshikawa, Shintaro Yasui, Hidetaka Hayashi, Akira Kishimoto, and Mitsuru Itoh “Low-temperature High-rate Capabilities of Lithium Batteries via Polarization-assisted Ion Pathways” Adv. Electro. Mater., 4, 1700413-1-7, 2018. (10.1002/aelm.201700413) 

(68) In Tae Bae, Tomohiro Ichinose, Myung Geun Han, Yimei Zhu, Shintaro Yasui, and Hiroshi Naganuma “Tensile Stress Effect on Epitaxial BiFeO3 Thin Film Grown on KTaO3” Sci. Rep., 8, 893, 2018. (10.1038/s41598-018-19487-8)

(67) T. Young, P. Sharma, D. H. Kim, Thai Duy Ha, Jenh-Yih Juang, Y.-H. Chu, J. Seidel. V. Nagarajan, S. Yasui*, M. Itoh, and D. Sando* “Structural, Magnetic, and Ferroelectric Properties of T-like Cobalt-doped BiFeO3 Thin Films” APL Mater., 6 (2018) 026102-1-8, 2018. (10.1063/1.5011783) 

(66) Azatuhi Ayrikyan, Olena Prach, Neamul H. Khansur, Stephanie Keller, Shintaro Yasui, Mitsuru Itoh, Osami Sakata, Karsten Durst, and Kyle G. Webber* “Investigation of Residual Stress in Lead-Free BNT-Based Ceramic/Ceramic Composites” Acta Materialia, 148, 432-441, 2018. (10.1016/j.actamat.2018.02.014)

(65) Tsukasa Katayama*, Shintaro Yasui, Takuya Osakabe, Yosuke Hamasaki, and Mitsuru Itoh* “Ferrimagnetism and Ferroelectricity in Cr-substituted GaFeO3 Epitaxial Films” Chem. Mater., 30, 1436-1441, 2018. (10.1021/acs.chemmater.8b00144) 

(64) Tsukasa Katayama*, Shintaro Yasui, Yosuke Hamasaki, Takahisa Shiraishi, Akihiro Akama, Takenori Kiguchi, and Mitsuru Itoh* “Ferroelectric and Magnetic Properties in Room-temperature Multiferroic GaxFe2-xO3 Epitaxial Thin Films” Adv. Funct. Mater., 28, 1704789-1-8, 2018. (10.1002/adfm.201704789)

(63) T. Katayama*, S. Yasui, Y. Hamasaki, T. Osakabe, M. Itoh*, “Chemical tuning of roomerature ferrimagnetism and ferroelectricity in e-Fe2O3-type multiferroic oxide thin films” J. Mater Chem. C, 5, 12597-12601, 2017. (10.1039/C7TC04363E) 

(62) Azatuhi Ayrikyan, Andreas Kastner, Neamul H. Khansur, Shintaro Yasui, Mitsuru Itoh, and Kyle G. Webber* “Lead-free Multilayer Piezoceramic Composites: Effect of Co-sintering on Electromechanical Properties” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 64, 1127-1134, 2017. (10.1109/TUFFC.2017.2701882) 

(61) Tsukasa Katayama*, Yosuke Hamasaki, Shintaro Yasui, Akiko Miyahara, and Mitsuru Itoh “Epitaxial Thin Film Growth of Garnet-, GdFeO3-, and YMnO3-type LuFeO3 using Pulsed Laser Deposition” Thin Solid Films, 642, 41-44, 2017. (10.1016/j.tsf.2017.09.013)

(60) Yosuke Hamasaki, Takao Shimizu, Shintaro Yasui*, Takahisa Shiraishi, Akihiro Akama, Takanori Kiguchi, Tomoyasu Taniyama, and Mitsuru Itoh* “Crystal Strucutre and Magnetism in k-Al2O3-type AlxFe2-xO3 Films on SrTiO3(111)” J. Appl. Phys. 122, 015301-1-7, 2017. (10.1063/1.4990947) 

(59) Haidong Lu, Shi Liu, Ziyu Ye, Shintaro Yasui, Hiroshi Funakubo, Andrew M. Rappe, and Alexei Gruverman* “Asymmetry in Mechanical Polarization Switching”, Appl. Phys. Lett. 110, 222903-1-5, 2017. (0.1063/1.4983381)

(58) In-Tae Bae, András Kovács, Hong Jian Zhao, Jorge Íñiguez, Shintaro Yasui, Tomohiro Ichinose, and Hiroshi Naganuma, “Elucidation of Crystal and Electronic Structures within Highly Strained BiFeO3 by Transmission Electron Microscopy and First-principles Simulation” Scientific Reports, 7, 46498-1-12, 2017. (10.1038/srep46498) 

(57) Tsukasa Katayama*, Shintaro Yasui, Yosuke Hamasaki, and Mitsuru Itoh “Electric Transport Characteristics of Gallium Iron Oxide Epitaxial Thin Film” MRS Advances, 2, 3459-3464, 2017. (10.1557/adv.2017.370) 

(56) Tsukasa Katayama*, Shintaro Yasui, Yosuke Hamasaki, and Mitsuru Itoh, “Control of Crystal-domain Orientation in Multiferroic Ga0.6Fe1.4O3 Epitaxial Thin Films” Appl. Phys. Lett. 110, 212905-1-4, 2017. (10.1063/1.4984211) 

(55) Yosuke Hamasaki, Takao Shimizu, Shintaro Yasui*, Tomoyasu Taniyama, and Mitsuru Itoh*, “Evidence of Ferroelectricity in Ferrimagnetic κ-Al2O3-type In0.25Fe1.75O3 Films” Appl. Phys. Lett. 109, 162901-1-4, 2016. (10.1063/1.4964826)

(54) Ronald Maran, Shintaro Yasui, Eugene Eliseev, Anna Morozovska, Hiroshi funakubo, Ichiro Takeuchi, and Nagarajan Valanoor* “Enhancement of Dielectric Properties in Epitaxial Bismuth Ferrite-Bismuth Samarium Ferrite Superlattices” Adv. Elect. Mater. 2, 1600170-1-9, 2016. (10.1002/aelm.201600170) 

(53) Ayako Konishi, Takafumi Ogawa, Craig A. J. Fisher, Akihide Kuwabara, Takao Shimizu, Shintaro Yasui, Mitsuru Itoh, and Hiroki Moriwake*, “Mechanism of Polarization Swithing in Wurtzite-Structured Zinc Oxide Thin Films” Appl. Phys. Lett. 109, 102903-1-4, 2016. (10.1063/1.4962440)

(52) Yosuke Hamasaki, Takao Shimizu, Shintaro Yasui*, Tomoyasu Taniyama, Osami Sakata, and Mitsuru Itoh*, “Crystal Isomers of ScFeO3” Crys. Grow. Des. 16, 5214-5222, 2016. (10.1021/acs.cgd.6b00770) 

(51) Leonid A. Bendersky, Zipeng Li, Saya Takeuchi, Shintaro Yasui, Adam Creuziger, Shinji Maruyama, Andrew Herzing, and Ichiro Takeuchi “Structural Study of Epitaxial LiCoO2 Films Grown by PLD on Single Crystal SrTiO3 Substrates” Thin Solid Films 612, 472-482, 2016. (10.1016/j.tsf.2016.05.017)

(50) Yoshitaka Ehara, Shintaro Yasui, Takahiro Oikawa, Takahisa Shiraishi, Naoya Oshima, Tomoaki Yamada, Yasuhiko Imai, Osami Sakata, and Hiroshi Funakubo* “Large Irreversible Non-180° Domain Switching after Poling Treatment in Pb(Zr, Ti)O3 Films” Appl. Phys. Lett. 108, 212901-1-5, 2016. (10.1063/1.4951672) 

(49) Junichi Kimura, Hiroki Taniguchi, Takashi Iijima, Takao Shimizu, Shintaro Yasui, Mitsuru Itoh, and Hiroshi Funakubo* “High Temperature Stability of the Dielectric and Insulating Properties of Ca(Ti, Zr)SiO5 Ceramics” Appl. Phys. Lett. 108, 062902-1-5, 2016. (10.1063/1.4941803)

(48) Yoshitaka Ehara, Nikola Novak, Shintaro Yasui, Mitsuru Itoh, and Kyle G. Webber* “Electric-Field-Temperature Phase Diagram of Mn-doped Bi0.5(Na0.9K0.1)0.5TiO3 Ceramics” Appl. Phys. Lett. 107, 262903-1-5, 2016. (10.1063/1.4938759) 

(47) Jinwoong Kim, Hiromi Shima, Takashi Yamamoto, Shintaro Yasui, Hiroshi Funakubo, Tomoaki Yamada, and Ken Nishida* “Ba(ZrxTi1−x)O3 thin films for tunable microwave applications ” Ceram. Inter. 41, S323-S330, 2015. (10.1016/j.ceramint.2015.03.184)

(46) Shingo Maruyama, Jongmoon Shin, Xhaohang Zhang, Richard Suchoski, Shintaro Yasui, Kui Jin, Richard L. Greene, and Ichiro Takeuchi “Reversible electrochemical modulation of the superconducting transition temperature of LiTi2O4 ultrathin films by ionic liquid gating” Appl. Phys. Lett. 107, 142602-1-3, 2015. (0.1063/1.4932551) 

(45) Tomoaki Yamada*, Benjamin Wylie-van Eerd, Osami Sakata, Alexander K. Tagantsev, Hitoshi Morioka, Yoshitaka Ehara, Shintaro Yasui, Hiroshi Funakubo, Takanori Nagasaki, and H. J. Trodahl “Phase transitions associated with competing order parameters in compressively strained SrTiO3 thin films” Phy. Rev. B 91, 214101-1-10, 2015. (10.1103/PhysRevB.91.214101) 

(44) Kui Jin*, Ge He, Xiaohang Zhang, Shingo Maruyama, Shintaro Yasui, Richard Suchoski, Jongmoon Shin, Yeping Jiang, Heshan Yu, Lei Shan, Richard L. Greene, and Ichiro Takeuchi “Anomalous magnetoresistance in the spinel superconductor LiTi2O4” Nat. Commun. 6, 7183-1-8, 2015. (doi.org/10.1038/ncomms8183)

(43) Saya Takeuchi*, Haiyan Tan, K. Kamala Bharathi, Gery R. Stafford, Jongmoon Shin, Shintaro Yasui, Ichiro Takeuchi, and Leonid A. Bendersky “Epitaxial LiCoO2 Films as a Model System for Fundamental Electrochemical Studies of Positive Electrodes” ACS Appl. Mater. Interfaces 7, 7901-7911, 2015. (10.1021/am508512q) 

(42) Ronald Maran, Shintaro Yasui, Eugene A. Eliseev, Maya D. Glinchuk, Anna N. Morozovska, Hiroshi Funakubo, Ichiro Takeuchi, and Valanoor Nagarajan* “Interface Control of a Morphotropic Phase Boundary in Epitaxial Samarium Modified Bismuth Ferrite Superlattices” Phy. Rev. B 90, 245131-1-11, 2014. (10.1103/PhysRevB.90.245131) 

(41) Jin Woong Kim, Hiromi Shima, Takashi Yamamoto, Shintaro Yasui, Hiroshi Funakubo, Tomoaki Yamada, and Ken Nishida* “Preparation and characterization of Ba(ZrxTi1-x)O3 thin films for high-frequency applications” Jpn. J. Appl. Phys. 53, 09PB04, 2014. (10.7567/JJAP.53.09PB04)

(40) Takashi Fujisawa, Yoshitaka Ehara, Shintaro Yasui, Takafumi Kamo, Tomoaki Yamada, Osami Sakata, and Hiroshi Funakubo*, “Direct observation of intrinsic piezoelectricity of Pb(Zr,Ti)O3 by time-resolved x-ray diffraction measurement using single-crystalline films” Appl. Phys. Lett. 105, 012905-1-5, 2014. (10.1063/1.4889803)

(39) Hiroki Moriwake*, Ayako Konishi, Takafumi Ogawa, Koji Fujimura, Craig A. J. Fisher, Akihide Kuwabara, Takao Shimizu, Shintaro Yasui and Mitsuru Itoh, ”Ferroelectricity in wurtzite structure simple chalcogenide” Appl. Phys. Lett. 104, 242909, 2014. (10.1063/1.4884596) 

(38) Takahiro Oikawa, Shintaro Yasui, Takayuki Watanabe, Hisato Yabuta, Takeshi Kobayashi, Kaoru Miura, and Hiroshi Funakubo, “Characterizations of epitaxial Bi(Mg1/2Ti1/2)O3–Bi(Zn1/2Ti1/2)O3 solid solution films grown by pulsed laser deposition” Jpn. J. Appl. Phys. 53, 05FE06, 2014. (10.7567/JJAP.53.05FE06/meta)

(37) Yosuke Hamasaki, Takao Shimizu, Hiroki Taniguchi, Tomoyasu Taniyama, Shintaro Yasui*, and Mitsuru Itoh* “Epitaxial growth of metastable multiferroic AlFeO3 film on SrTiO3 (111) substrate” Appl. Phys. Lett. 104, 082906, 2014. (10.1063/1.4866798) 

(36) Yasuhiro Yamada, Toru Nakamura, Shintaro Yasui, Hiroshi Funakubo, and Yoshihiko Kanemitsu* “Measurement of transient photoabsorption and photocurrent of BiFeO3 thin films: Evidence for long-lived trapped photocarriers” Phys. Rev. B, 035133, 2014. (10.1103/PhysRevB.89.035133)

(35) Mari Hayashi, Shintaro Yasui, Hiroshi Funakubo, Hiroshi Uchida*“Fabrication of BiFeO3-Bi(Zn1/2Ti1/2)O3 Solid Solution Thin Films Using Perovskite-Type Oxide Interface Layer” Key. Eng. Mater.; Electroceramics in Japan XV 566, 163-166, 2013. (10.4028/www.scientific.net/KEM.566.163) 

(34) Takahisa Shiraishi, Hiro Einishi, Shintaro Yasui, Mutsuo Ishikawa, Tomohito Hasegawa, Minoru Kurosawa, Hiroshi Uchida, Yukio Sakashita, and Hiroshi Funakubo*,“Composition Dependency of Crystal Structure, Electrical and Piezoelectric Properties for Hydrothermally-Synthesized 3 μm-Thickness (KxNa1−x)NbO3 Films” J. Ceram. Soc. Jpn 121(8), 627-631, 2013. (jcersj2/121/1416/121_JCSJ-P13038) 

(33) Junichi Kimura, Itaru Takuwa, Masaaki Matsushima, Shintaro Yasui, Tomoaki Yamada, and Hiroshi Funakubo* “Temperature and electric field stabilities of dielectric and insulating properties for c-axis-oriented CaBi4Ti4O15 films” J. Appl. Phys. 114, 027002, 2013. (10.1063/1.4811816)

(32) Takahiro Oikawa, Shintaro Yasui, Takayuki Watanabe, Koji Ishii, Yoshitaka Ehara, Hisato Yabuta, Takeshi Kobayashi, Tetsuro Fukui, Kaoru Miura, and Hiroshi Funakubo “Growth of (111) One-Axis-Oriented Bi(Mg1/2Ti1/2)O3 Films on (100) Si Substrates” Jpn. J. Appl. Phys. 52, 2, 2013. (10.1143/JJAP.51.09LA04) 

(31) Takahisa Shiraishi, Hiro Einishi, Shintaro Yasui, Hiroshi Funakubo*, Tomohito Hasegawa, Minoru Kurosawa, Mutsuo Ishikawa, Hiroshi Uchida, and Yukio Sakashita “Ferroelectric and Piezoelectric Properties of (K,Na)NbO3 Thick Films Prepared on Metal Substrates by Hydrothermal Method” J. Kor. Phys. Soc. 62, 1055, 2013. (10.3938/jkps.62.1055) 

(30) Shintaro Yasui*, Keisuke Yazawa , Masaaki Matsushima , Tomoaki Yamada , Hitoshi Morioka , Hiroshi Uchida , Takashi Iijima , Lu You , Junling Wang , Takahisa Yamamoto , Yuichi Ikuhara, and Hiroshi Funakubo “Unusual 90o domain structure in (2/3)Bi(Zn1/2Ti1/2)O3-(1/3)BiFeO3 epitaxial films with giant 22% tetragonal distortion”Appl. Phys. Lett., 103, 042904-1-5, 2013. (10.1016/j.mseb.2009.12.019) 

(29) Yoshitaka Ehara, Shintaro Yasui, Koji Ishii, and Hiroshi Funakubo “Film Thickness Dependence of Crystal Structure in {100}-Oriented Epitaxial Pb(Zr0.65Ti0.35)O3 Films Grown on Single-Crystal Substrates with Different Thermal Expansion Coefficients” Jpn. J. Appl. Phys. 51, 09LA14-1-4, 2012. (10.1143/JJAP.51.09LA14) 

(28) Takahiro Oikawa, Shintaro Yasui, Takayuki Watanabe, Hisato Yabuta, Yoshitaka Ehara, Tetsuo Fukui, and Hiroshi Funakubo* “Film Thickness Dependence of Ferroelectric Properties of (111)-Oriented Epitaxial Bi(Mg1/2Ti1/2)O3 Films” Jpn. J. Appl. Phys. 51, 09LA04-1-4, 2012. (10.1143/JJAP.51.09LA04)

(27) Lu You, Shintaro Yasui, Yoshitaka Ehara, Xi Zou, Hui Ding, Zuhuang Chen, Weigang Chen, Lang Chen, Hiroshi Funakubo, and Junling Wang* “Domain tuning in mixed-phase BiFeO3 thin films using vicinal substrates” Appl. Phys. Lett. 100, 202901-1-4, 2012. (10.1063/1.4717986) 

(26) Hidenori Tanaka, Mohamed- Tahar Chentir, Tomoaki Yamada, Shintaro Yasui, Yoshitaka Ehara, Keisuke Yamato, Yuta Kashiwagi, Chua Ngeah Theng, Junling Wang, Soichiro Okamura, Hiroshi Uchida, Takashi Iijima, Satoshi Wada and Hiroshi Funakubo* “Growth of (111)-oriented BaTiO3-Bi(Mg0.5Ti0.5)O3 epitaxial films and their crystal structure and electrical property characterizations” J. Appl. Phys. 111, 084108-1-5, 2012. (10.1063/1.4704384) 

(25) Shintaro Yasui*, Yoshitaka Ehara, Satoru Utsugi, Mitsumasa Nakajima, Hiroshi Funakubo, and Alexei Gruverman “Complex domain structure in relaxed PbTiO3 thick films grown on (100)cSrRuO3//(100)SrTiO3 substrates” J. Appl. Phys., 112, 052001-1-5, 2012. (10.1063/1.4746078)

(24) Takahisa Shiraishi, Hiro Einishi, Shintaro Yasui, Mutsuo Ishikawa, Tomohito Hasegawa, Minoru Kurosawa, Hiroshi Uchida, Yukio Sakashita, and Hiroshi Funakubo*“, Growth of Epitaxial {100}-Oriented KNbO3–NaNbO3 Solid Solution Films on (100)cSrRuO3// (100)SrTiO3 by Hydrothermal Method and Their Characterization” Jpn. J. Appl. Phys. 50(9), 09ND11-1-4, 2011. (10.7567/JJAP.50.09ND11) 

(23) Yoshitaka Ehara, Shintaro Yasui, Jun-ichi Nagata, Disuke Kan, V. Anbusathaiah, Tomoaki Yamada, Osami Sakata, Hiroshi Funakubo*, and V. Nagarajan “Ultrafast switching of ferroelastic nanodomains in bilayered ferroelectric thin films” Appl. Phys. Lett. 99, 182906, 2011. (10.1063/1.3657468)

(22) Hiro Einishi, Mutsuo Ishikawa, Mitsumasa Nakajima, Shintaro Yasui, Tomoaki Yamada, Minoru Kurosawa, and Hiroshi Funakubo* “Growth of Orientation-Controlled Epitaxial KNbO3 Thin Film by Hydrothermal Method” Key Eng. Mater. 485, 2011 pp 199-202, 2011. (10.1143/JJAP.48.09KA14) 

(21) Hidenori Tanaka, Tomoaki Yamada, Shintaro Yasui, Keisuke Yamato, Satoshi Wada, and Hiroshi Funakubo* “Growth Of (111)-oriented Epitaxial Bi(Mg0.5Ti0.5)O3 Films And Their Characterization” Key Eng. Mater. 485, pp 195-198, 2011. (10.1063/1.4704384)

(20) Mari Hayashi, Shintaro Yasui, Hiroshi Funakubo and Hiroshi Uchida* “Preferential Crystal Growth of (100)-Oriented BiFeO3 Films on Si Substrate” Mater. Sci. Eng. 18, 092033, 2011. (10.1088/1757-899X/18/9/092033) 

(19) Hiroshi Naganuma*, Shintaro Yasui, Ken Nishida, Takashi Iijima, Hiroshi Funakubo, and Soichiro Okamura “Enhancement of magnetization at morphotropic phase boundary in epitaxial BiCoO3-BiFeO3 solid solution films grown on SrTiO3 (100) substrates” J. Appl. Phys. 109, 07D917, 2011. (10.1063/1.3561776)

(18) Tomoaki Yamada*, Jin Wang, Osami Sakata, Cosmin S. Sandu, Zhanbing He, Takafumi Kamo, Shintaro Yasui, Nava Setter, and Hiroshi Funakubo “Synchrotron X-ray Diffraction Study on a Single Nanowire of PX-Phase Lead Titanate” J. Euro. Ceram. Soc. 30, 3259-3262, 2010. (10.1016/j.jeurceramsoc.2010.07.014) 

(17) Tomoaki Yamada*, Jin Wang, Osami Sakata, Hidenori Tanaka, Yoshitaka Ehara, Shintaro Yasui, Nava Setter, and Hiroshi Funakubo “Structure Property and Electric Field Response of a single Perovskite PbTiO3 Nanowire using synchrotron X-ray Beam” Jpn. J. Appl. Phys. 49, 09MC09-1-4, 2010. (10.1143/JJAP.49.09MC09) 

(16) Keisuke Yazawa, Shintaro Yasui, Hitoshi Morioka, Tomoaki Yamada, Hiroshi Uchida, Alexei Gruverman, and Hiroshi Funakubo* “Composition dependence of crystal structure and electrical properties for epitaxial films of Bi(Zn1/2Ti1/2)O3-BiFeO3 solid solution system” J. Ceram. Soc. Jpn. 118, 659-663, 2010. (10.2109/jcersj2.118.659) 

(15) Satoru Utsugi, Takashi Fujisawa, Yoshitaka Ehara, Tomoaki Yamada, Shintaro Yasui, Mohamed-Tahar Chentir, Hitoshi Morioka, Takashi Iijima, and Hiroshi Funakubo* “Orientation control of (001) and (101) in epitaxial tetragonal Pb(Zr,Ti)O3 films with (100)/(001) and (110)/(101) mixture orientations” J. Ceram. Soc. Jpn. 118, 627-630, 2010. (jcersj2/118/1380/118_1380_627) 

(14) Keisuke Yazawa, Shintaro Yasui, Masaaki Matsushima, Hiroshi Uchida, and Hiroshi Funakubo* “MOCVD growth and characterization of BiFeO3 – Bi(Zn1/2Ti1/2)O3 ferroelectric films” Mater. Sci. Eng. B 173, 14-17, 2010. (10.1016/j.mseb.2009.12.019)

(13) Shintaro Yasui*, Keisuke Yazawa, Tomoaki Yamada, Ken Nishida, Hiroshi Uchida, Masaki Azuma, and Hiroshi Funakubo “Effect of film thickness and crystal orientation on the constituent phase in epitaxial BiFeO3-BiCoO3 films grown on SrTiO3 substrates” Jpn. J. Appl. Phys., 49, 09MB04-1-5, 2010. (10.1143/JJAP.49.09MB04) 

(12) Masamichi Nishide, Hiroshige Takeuchi, Takeshi Tai, Takashi Katoda, Shintaro Yokoyama, Shintaro Yasui, Hiroshi Funakubo, Ken Nishida*, and Takashi Yamamoto “Evaluation of Relative Volume Fraction of Tetragonal Phase and Rhombohedral Phase in Pb(Zr,Ti)O3 Film by Raman Spectroscopy” Integ. Ferro. 112, 33-41, 2009. (10.1080/10584587.2009.484672) 

(11) Mutsuo Ishikawa, Keisuke Yazawa, Takashi Fujisawa, Shintaro Yasui, Tomoaki Yamada, Tomohito Hasegawa, Takeshi Morita, Minoru Kurosawa, and Hiroshi Funakubo* “Growth of Epitaxial KNbO3 Thick Films by Hydrothermal Method and Their Characterization” Jpn. J. Appl. Phys., 48, 09KA14-1-4, 2009. (10.1143/JJAP.48.09KA14) 

(10) Hitoshi Morioka, Keisuke Saito, Takeshi Kobayashi, Shintaro Yasui, Toshiyuki Kurosawa, and Hiroshi Funakubo* “In situ Observation of the Fatigue-Free Piezoelectric Microcantilever by Two-Dimensional X-ray Diffraction” Jpn. J. Appl. Phys., 48, 09KA03-1-5, 2009. (10.1143/JJAP.48.09KA03)

(9) Satoru Utsugi, Takashi Fujisawa, Rikyu Ikariyama, Shintaro Yasui, Hiroshi Nakaki, Tomoaki Yamada, Mutsuo Ishikawa, Masaaki Matsushima and Hiroshi Funakubo* “Domain structure of (100)/(001)- oriented epitaxial PbTiO3 thick films with various volume fraction of (001) orientation grown by metal organic chemical vapor deposition” Appl. Phys. Lett., 94, 052906-1-3, 2009. (10.1063/1.360121) 

(8) Shintaro Yasui*, Osami Sakata, Mitsumasa Nakajima, Satoru Utsugi, Keisuke Yazawa, Tomoaki Yamada, and Hiroshi Funakubo “Piezoelectric Properties of {100}-Oriented Epitaxial BiCoO3–BiFeO3 Films Measured Using Synchrotron X-ray Diffraction” Jpn. J. Appl. Phys., 48, 09KD06-1-4, 2009. (10.1143/JJAP.48.09KD06) 

(7) Shintaro Yasui, Mitsumasa Nakajima, Hiroshi Naganuma, Soichiro Okamura, Ken Nishida, Takashi Yamamoto, Takashi Iijima, Masaki Azuma, Hitoshi Morioka, Keisuke Saito, Mutsuo Ishikawa, Tomoaki Yamada, and Hiroshi Funakubo* “Composition control and thickness dependence of {100}-oriented epitaxial BiCoO3-BiFeO3 films grown by metalorganic chemical vapor deposition” J. Appl. Phys., 105, 061620-1-5, 2009. (10.1063/1.3073824) 

(6) Hiroshi Naganuma*, Jun Miura, Mitsumasa Nakajima, Hiromi Shima, Soichiro Okamura, Shintaro Yasui, Hiroshi Funakubo, Ken Nishida, Takashi Iijima, Masaki Azuma, Yasuo Ando, Kenji Kamishima, Koichi Kakizaki, and Nobuyuki Hiratsuka “Annealing Temperature Dependences of Ferroelectric and Magnetic Properties in Polycrystalline Co-Substituted BiFeO3 Films” Jpn. J. Appl. Phys., 47, 7574-7578, 2008. (10.1143/JJAP.47.7574) 

(5) Hiroshi Naganuma*, Nozomi Shimura, Jun Miura, Hiromi Shima, Shintaro Yasui, Ken Nishida, Takashi Katoda, Takashi Iijima, Hiroshi Funakubo, and Soichiro Okamura “Enhancement of ferroelectric and magnetic properties in BiFeO3 films by small amount of cobalt addition” J. Appl.Phys., 103, 07E314-1-3, 2008. (10.1063/1.2836971) 

(4) Shintaro Yasui*, Hiroshi Naganuma, Soichiro Okamura, Ken Nishida, Takashi Yamamoto, Takashi Iijima, Masaki Azuma, Hitoshi Morioka1, Keisuke Saito, Mutsuo Ishikawa, Tomoaki Yamada, and Hiroshi Funakubo “Crystal Structure and Electrical Properties of {100}-Oriented Epitaxial BiCoO3-BiFeO3 Films Grown By Metalorganic Chemical Vapor Deposition” Jpn. J. Appl. Phys., 47, 7582-7585, 2008. (10.1143/JJAP.47.7582) 

(3) Shintaro Yasui*, Ken Nishida, Hiroshi Naganuma, Soichiro Okamura, Takashi Iijima and Hiroshi Funakubo “Crystal Structure Analysis of Epitaxial BiFeO3–BiCoO3 Solid Solution Films Grown by Metalorganic Chemical Vapor Deposition” Jpn. J. Appl. Phys., 46, 6948-6951, 2007. (10.1143/JJAP.46.6948) 

(2) Shintaro Yasui, Hiroshi Uchida*, Hiroshi Nakaki, Ken Nishida, Hiroshi Funakubo and Seiichiro Koda, “Analysis for crystal structure of Bi(Fe,Sc)O3 thin films and their electrical properties” Appl. Phys. Lett., 91, 022906-1-3, 2007. (10.1063/1.2756356)

(1) Shintaro Yasui*, Hiroshi Uchida, Hiroshi Nakaki, Hiroshi Funakubo and Seiichiro Koda“Formation of BiFeO3–BiScO3 Thin Films and Their Electrical Properties” Jpn. J. Appl. Phys., 45, 7321-7324, 2006. (10.1143/JJAP.45.7321) 


 PROCEEDINGS

(8) J.W. Kim, H. Shima, T. Yamamoto, Shintaro Yasui, H. Funakubo, T. Yamada, K. Nishida*, Reactive sputtering process and properties of Ba(ZrxTi1-x)O3 films for high frequency applications, 2015 Joint IEEE International Symposium on the Applications of Ferroelectric, International Symposium on Integrated Functionalities and Piezoelectric Force Microscopy Workshop, ISAF/ISIF/PFM 2015, IEEE, Singapore 2015, 7172665 48-51. (10.7567/JJAP.53.09PB04) 

(7) Ayumi Wada, Yoshitake Ehara, Shintaro Yasui, Takahiro Oikawa, Mitsumasa Nakajima, Megu Wada, P. S. Sankara Rama Krishnan, Soichiro Okamura, Ken Nishida, Takashi Yamamoto, Takeshi Kobayashi, Hitoshi Morioka, and Hiroshi Funakubo*, Crystal Structure Change with Applied Electric Field for (100)/(001)-oriented Polycrystalline Lead Zirconate Titanate Films, MRS Prodeedings, Mater. Res. Soc. Symp. Proc., MRS, Boston 2013, 1507. 

(6) H. Funakubo*, Shintaro Yasui, K. Yazawa, J. Nagata, T. Oikawa, T. Yamada, and H. Uchida, Development of novel Pb, Li, Na and K-free piezoelectric materials for Si-based MEMS application, Proceedings of 2012 21st IEEE Int. Symp. on Applications of Ferroelectrics held jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE PFM, ISAF/ECAPD/PFM 2012, IEEE, Aveiro 2012, 6297769 1-2. (10.1109/ISAF.2012.6297769) 

(5) Osami Sakata, Shintaro Yasui, Tomoaki Yamada, M. Yabashi, Sigeru Kimura, and Hiroshi Funakubo, In-situ Lattice-Strain Analysis of a Ferroelectric Thin Film under an Applied Pulse Electric Field, SRI 2009, 10th International Conference on Radiation Instrumentation, Melbourne 2009, AIP Conf. Proc. 1234 151-154. (10.1063/1.3463162) 

(4) Mutsuo Ishikawa*, Shintaro Yasui, Satoru Utsugi, Takashi Fujisawa, Tomoaki Yamada, Takeshi Morita, Minoru Kurosawa, and Hiroshi Funakubo, Growth of Epitaxial Potassium Niobate Film on (100)SrRuO3/(100)SrTiO3 by Hydrothermal Method and their Electromechanical Properties, Mater. Res. Soc. Symp. Proc., MRS, Boston 2009, 1139. (10.1557/PROC-1139-GG03-52) 

(3) Shintaro Yasui*, H. Naganuma, S. Okamura, T. Iijima, K. Nishida, T. Katoda, H. Uchida, S. Koda and H. Funakubo, Preparation and characterization of Bi-perovskite oxide films for piezo applications”, IEEE International Symposium on Applications of Ferroelectrics 2007, IEEE, Nara 2007, 4393180 102-103. (10.1109/ISAF.2007.4393180) 

(2) H. Naganuma*, N. Shimura, H. Shima, Shintaro Yasui, M. Nishida, T. Iijima, H. Funakubo, and S. Okamura, Structural and ferroelectric properties of BiFeO3-BiCoO3 solid solution films, IEEE International Symposium on Applications of Ferroelectrics 2007, IEEE, Nara 2007, 4393288 428-430. (10.1109/ISAF.2007.4393288)

(1) Hiroshi Uchida*, Shintaro Yasui, Risako Ueno, Hiroshi Nakaki, Ken Nishida, Minoru Osada, Hiroshi Funakubo, Takashi Katoda and Seiichiro Koda, Ion Modification for Improvement of Electrical Properties of Perovskite-based Ferroelectric Thin Films Fabricated by Chemical Solution Deposition Method, Mater. Res. Soc. Symp. Proc., MRS, Boston 2006, 902. (10.1557/PROC-0902-T04-10) 


REVIEWS & BOOKS

(12) 企画特集 ナノテクノロジーPick Up ~新展開をもたらすナノテクノロジープラットフォーム~
<第35回>新規室温マルチフェロイック薄膜材料の作製と結晶構造解析 ~多値メモリ応用に向けた材料開発~
東京工業大学 安井 伸太郎氏と東北大学 今野 豊彦氏に聞く https://www.nanonet.go.jp/magazine/feature/nanotech-pickup/35.html

(11) 安井伸太郎*, 安原颯, 伊藤満, 寺西貴志, 正極への誘電体界面導入によるリチウムイオン正極薄膜電池の高速充放電化, 全固体電池の界面抵抗低減と作製プロセス, 199-204, 2020.

(10) Shintaro Yasui*, Tsukasa Katayama, Yosuke Hamasaki, and Mitsuru Itoh, Multiferroic Properties of κ-Al2O3-Type GaFeO3 Epitaxial Thin Films Photon Factory Highlights 2017, 6-7, 2017. 

(9) 安井伸太郎*, 強誘電体材料の未来を見据えて, セラミックス, 52(7), 486-487, 2017. 

(8) 伊藤 満*, 濵嵜 容丞, 安井 伸太郎, 非ペロブスカイト型酸化物強誘電体開発, セラミックス, 51(10), 661-665, 2016.

(7) 安井 伸太郎*, 舟窪 浩, 巨大正方晶強誘電体薄膜, Ceramic Data Book, 41(95), 153-157, 2013.

(6) 安井 伸太郎*, 黒澤 実, 舟窪 浩, 内田 寛, 高温使用可能な新規非鉛圧電材料, 超音波TECHNO, 25(4), 64-69, 2013. 

(5) 安井 伸太郎*, 舟窪 浩, 坂田 修身, 新規ペロブスカイト型ビスマス圧電体薄膜の作製とその特性 評価, 日本結晶学会誌, 55(5), 296-301, 2013.

(4) 石河睦生*, 矢澤慶祐, 藤澤隆志, 安井伸太郎, 長谷川智仁, 黒澤実, 舟窪浩, 森田剛, 水熱 合成法によるKNbO3エピタキシャル膜の作製と特性評価, 超音波TECHNO, 22(3), 87-91, 2010. 

(3) Hiroshi Funakubo*, Shintaro Yasui, Tomoaki Yamada and Mutsuo Ishikawa, Preparation and Characterization of BiFeO3 based thin films grown by MOCVD, Mater. Integ., 22(2), 25-31, 2009. (10.1016/j.surfcoat.2007.04.099)

(2) Hiroshi Funakubo*, Takahiro Oikawa, Shintaro Yokoyama, Kuniharu Nagashima, Hiroshi Nakaki, Takashi Fujisawa, Rikyu Ikariyama, Shintaro Yasui, Keisuke Saito, Hitoshi Morioka, Hee Han, Sunggi Baik, Yong Kwan Kim and Toshimasa Suzuki, Epitaxially grown ferroelectric thin films for memory applications (ferroelectric random access memories), Phase Transition, 81(7), 667-678, 2008. (10.1080/01411590802092206) 舟窪浩、安井伸太郎, 2章6節 MOCVD法, 圧電材料の高性能化と先端応用技術, S&T出版, 日本 2007, pp.168-178. 

(1) Hiroshi Funakubo, Shintaro Yasui, Mutsuo Ishikawa and Tomoaki Yamada, Chemical vapor deposition of ferroelectric thin films: a critical review, Ferroelectric Thin Films at Microwave Frequencies edited by T. K. Jackson, PM Suherman and P. Bao, Research Signpost, India 2010, pp.172-182. 


PRESS RELEASE

(5) 2021年3月4日

電場に追随した強誘電体の電子状態のリアルタイム観測に成功
~鉛を使わない環境に優しい強誘電体材料開発に道筋~

(4) 2019年12月20日

新たな強誘電性を微細な酸窒化物単結晶を用いて実証
新規強誘電体材料の開発に期待 –

(3) 2019年3月6日

リチウムイオン電池の充放電反応を超高速化
-充電時間の短縮と高性能化への道を拓く-

(2) 2017年12月13日

新しいメカニズムで発現する強誘電体を開発
-磁性も備え、室温動作マルチフェロイックス新展開へ-

(1) 2017年8月29日

圧電体の複雑な結晶構造変化の高速応答を直接測定
-IoTセンサーの高性能化に期待-

 


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