The University of Tokyo   The Graduate School of Engineering

2009.4 - 2011.3

University of Oxford   Department of Physics

2008.5 - 2009.10

Waseda University   Graduate School of Science and Engineering

2008.4 - 2009.3

Waseda University   Graduate School of Science and Engineering

2007.4 - 2008.3

Thermally stable dielectric and structural properties of titanite-type SrZrGeO5

Taro Kuwano, Hiroko Yokota, Manabu Hagiwara, Toshiya Uohashi, Akitoshi Nakano, Kazuhiko Deguchi, Hiroki Taniguchi

Ceramics International   2025.12

Temperature-activated polar domain-wall evolution in non-polar perovskite

Zheyi An, Hiroko Yokota, Marek Paściak, Pierre-Eymeric Janolin, Nan Zhang

Applied Physics Letters   2025.9

Phase variety of titanite-type solid solutions (Ca, Pb)TiGeO5: paraelectric and antiferroelectric states in monoclinic and triclinic lattices

Zerui Li, Taro Kuwano, Hiroko Yokota, Shintaro Yasui, Manabu Hagiwara, Toshiya Uohashi, Akitoshi Nakano, Hiroki Taniguchi

Japanese Journal of Applied Physics   2025.8

Kinetic Understanding of Field-Induced Phase Transition from Tetragonal to Ferroelectric Orthorhombic Phase in Ferroelectric CeO2-HfO2-ZrO2 Films. International journal

Kohei Shimonosono, Yoshiki Maekawa, Nachi Chaya, Kazuki Okamoto, Wakiko Yamaoka, Yasushi Kawashima, Yukari Inoue, Pochun Hsieh, Akash Saha, Albert Suceava, Sankalpa Hazra, Hiroko Yokota, Venkatraman Gopalan, Hiroshi Funakubo

ACS applied electronic materials   7 ( 14 )   6273 - 6280   2025.7

Titanite-type solid solutions (Ca,Pb)TiGeO<sub>5</sub>: A competition between triclinic and antiferroelectric distortions

Zerui Li, Taro Kuwano, Akitoshi Nakano, Manabu Hagiwara, Shintaro Yasui, Hiroki Taniguchi, Hiroko Yokota

Journal of the Ceramic Society of Japan   133 ( 7 )   275 - 280   2025.7

Realization of Non‐Equilibrium Wurtzite Structure in Heterovalent Ternary MgSiN₂ Film Grown by Reactive Sputtering International journal

Sotaro Kageyama, Kazuki Okamoto, Shinnosuke Yasuoka, Keisuke Ide, Kota Hanzawa, Yoshiomi Hiranaga, Pochun Hsieh, Sankalpa Harza, Albert Suceava, Akash Saha, Hiroko Yokota, Kei Shigematsu, Masaki Azuma, Venkatraman Gopalan, Hiroshi Uchida, Hidenori Hiramatsu, Hiroshi Funakubo

Advanced Electronic Materials   2025.2

Domain wall dynamics in tungsten trioxide: Evidence for polar domain walls

Jack T. Eckstein, Hiroko Yokota, Neus Domingo, Gustau Catalan, Oktay Aktas, Michael A. Carpenter, Ekhard K. H. Salje

Physical Review B   2024.9

Unconventional Polarization Response in Titanite-Type Oxides due to Hashed Antiferroelectric Domains Reviewed

Hiroki Taniguchi, Takumi Watanabe, Taro Kuwano, Akitoshi Nakano, Yukio Sato, Manabu Hagiwara, Hiroko Yokota, Kazuhiko Deguchi

ACS Nano   18 ( 22 )   14523 - 14531   2024.5

Tuning of Polar Domain Boundaries in Nonpolar Perovskite

Zheyi An, Hiroko Yokota, Kyomaru Kurihara, Nozomu Hasegawa, Pavel Marton, Anthony Michael Glazer, Yoshiaki Uesu, Wei Ren, Zuo‐Guang Ye, Marek Paściak, Nan Zhang

Advanced Materials   2023.3

Phase transition hysteresis at the antiferroelectric-ferroelectric boundary in PbZr1−xTixO3

Zheyi An, Shanshan Xie, Petr Ondrejkovic, Pavel Marton, Esther de Prado, Hiroko Yokota, Wei Ren, Zuo-Guang Ye, A. M. Glazer, Marek Paściak, Nan Zhang

Physical Review B   2022.12

Three-dimensional imaging of ferroaxial domains using circularly polarized second harmonic generation microscopy

Hiroko Yokota, Takeshi Hayashida, Dan Kitahara, Tsuyoshi Kimura

npj Quantum Materials   7 ( 1 )   2022.11

Phase variation of ferroelectric Li2Sr1−xCax(Nb1−xTax)2O7 by selective reinforcement in the (Nb,Ta)-O covalent bonds

Akitoshi Nakano, Hirokazu Shirakuni, Takayuki Nagai, Yasuhide Mochizuki, Fumiyasu Oba, Hiroko Yokota, Shogo Kawaguchi, Ichiro Terasaki, Hiroki Taniguchi

Physical Review Materials   6 ( 4 )   2022.4

Element-specific magnetic hysteresis loops observed in hexagonal ErFeO3 thin films Reviewed

Hiroko Yokota, Yu Kobori, Shunsuke Jitsukawa, Seiji Sakai, Yukiharu Takeda, Takaya Mitsui, Yasuhiro Kobayashi, Shinji Kitao

Materials Research Express   8 ( 8 )   086402 - 086402   2021.8

Multiple structural components and their competition in the intermediate state of antiferroelectric Pb(Zr,Ti)O3 Reviewed

Zheyi An, Hiroko Yokota, Nan Zhang, Marek Paściak, Jan Fábry, Miloš Kopecký, Jiří Kub, Guanjie Zhang, A. M. Glazer, T. R. Welberry, Wei Ren, Zuo-Guang Ye

Physical Review B   103 ( 5 )   2021.2

Optical second-harmonic generation microscopy as a tool for ferroelastic domain wall exploration Invited Reviewed

Hiroko Yokota, Yoshiaki Uesu

Journal of Applied Physics   129 ( 1 )   014101 - 014101   2021.1

Domain wall generated polarity in ferroelastics: Results from resonance piezoelectric spectroscopy, piezoelectric force microscopy, and optical second harmonic generation measurements in LaAlO3 with twin and tweed microstructures Reviewed

Hiroko Yokota, C. R. S. Haines, Suguru Matsumoto, Nozomo Hasegawa, Michael A. Carpenter, Yooun Heo, Alexe Marin, E. K. H. Salje, Yoshiaki Uesu

Physical Review B   102 ( 10 )   2020.9

Enhancement of polar nature of domain boundaries in ferroelastic Pb3(PO4)2 by doping divalent-metal ions Reviewed

Hiroko Yokota, Suguru Matsumoto, Nozomu Hasegawa, E K H Salje, Yoshiaki Uesu

Journal of Physics: Condensed Matter   32 ( 34 )   345401 - 345401   2020.8

New method to measure domain-wall motion contribution to piezoelectricity: the case of PbZr0.65Ti0.35O3 ferroelectric Reviewed

Semën Gorfman, Hyeokmin Choe, Guanjie Zhang, Nan Zhang, Hiroko Yokota, Anthony Michael Glazer, Yujuan Xie, Vadim Dyadkin, Dmitry Chernyshov, Zuo-Guang Ye

Journal of Applied Crystallography   53 ( 4 )   1039 - 1050   2020.8

Direct evidence of polar ferroelastic domain boundaries in semiconductor BiVO4 Reviewed

H. Yokota, N. Hasegawa, M. Glazer, E. K. H. Salje, Y. Uesu

Applied Physics Letters   116 ( 23 )   232901 - 232901   2020.6

Correction to: Development of ¹⁶⁶Er Mössbauer spectroscopy in KURNS (Hyperfine Interactions, (2019), 240, 1, (75), 10.1007/s10751-019-1623-6)

Shin Nakamura, Hiroko Yokota, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Makoto Seto

Hyperfine Interactions   240 ( 1 )   2019.12

Development of 166Er Mössbauer spectroscopy in KURNS Reviewed

Shin Nakamura, Hiroko Yokota, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Makoto Seto

Hyperfine Interactions   240 ( 1 )   2019.12

Polar nature of domain boundaries in purely ferroelastic Pb3(PO4)2 investigated by second harmonic generation microscopy Reviewed

Hiroko Yokota

Physical Review B   100 ( 2 )   2019.7

Probing the intrinsic and extrinsic origins of piezoelectricity in lead zirconate titanate single crystals Reviewed

Nan Zhang, Semën Gorfman, Hyeokmin Choe, Tikhon Vergentev, Vadim Dyadkin, Hiroko Yokota, Dmitry Chernyshov, Bixia Wang, Anthony Michael Glazer, Wei Ren, Zuo-Guang Ye

Journal of Applied Crystallography   51 ( 5 )   1396 - 1403   2018.10

Symmetry and three-dimensional anisotropy of polar domain boundaries observed in ferroelastic LaAlO3 in the complete absence of ferroelectric instability Reviewed

Hiroko Yokota

Physical Review B   98 ( 10 )   2018.9

Local structures and temperature-driven polarization rotation in Zr-rich PbZr1-xTixO3 Reviewed

Zhen Wang, Nan Zhang, Hiroko Yokota, A. M. Glazer, Yasuhiro Yoneda, Wei Ren, Zuo-Guang Ye

Applied Physics Letters   113 ( 1 )   2018.7

Local-scale structures across the morphotropic phase boundary in PbZr 1- x Ti x O 3 Reviewed

Nan Zhang, Hiroko Yokota, A. M. Glazer, D. A. Keen, Semën Gorfman, P. A. Thomas, Wei Ren, Zuo-Guang Ye

IUCrJ   5 ( 1 )   73 - 81   2018

Polar nature of stress-induced twin walls in ferroelastic CaTiO3 Reviewed

H. Yokota, S. Niki, R. Haumont, P. Hicher, Y. Uesu

AIP ADVANCES   7 ( 8 )   2017.8

The appearance of weak ferromagnetism of hexagonal stabilized ErFeO3thin film Reviewed

2016 Joint IEEE International Symposium on the Applications of Ferroelectrics, European Conference on Application of Polar Dielectrics, and Piezoelectric Force Microscopy Workshop (ISAF/ECAPD/PFM)   2016.8

Signature of covalency and disorder on the dielectric and magnetic properties of Ba6Co6ClO16 Reviewed

Tanushree Chakraborty, Carlo Meneghini, Hiroko Yokota, Mitsuru Itoh, Sugata Ray

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   207   19 - 23   2016.2

Examination of ferroelectric and magnetic properties of hexagonal ErFeO3 thin films Reviewed

Hiroko Yokota, Tomoya Nozue, Shin Nakamura, Mamoru Fukunaga, Akio Fuwa

JAPANESE JOURNAL OF APPLIED PHYSICS   54 ( 10 )   2015.10

Examination of ferroelectric and magnetic properties of hexagonal ErFeO3 thin films Reviewed

Hiroko Yokota, Tomoya Nozue, Shin Nakamura, Mamoru Fukunaga, Akio Fuwa

JAPANESE JOURNAL OF APPLIED PHYSICS   54 ( 10 )   2015.10

Ferroelectricity and weak ferromagnetism of hexagonal ErFe O3 thin films Reviewed

Hiroko Yokota, Tomoya Nozue, Shin Nakamura, Hajime Hojo, Mamoru Fukunaga, Pierre-Eymeric Janolin, Jean-Michel Kiat, Akio Fuwa

Physical Review B - Condensed Matter and Materials Physics   92 ( 5 )   2015.8

Ferroelectricity and weak ferromagnetism of hexagonal ErFeO3 thin films Reviewed

Hiroko Yokota, Tomoya Nozue, Shin Nakamura, Hajime Hojo, Mamoru Fukunaga, Pierre-Eymeric Janolin, Jean-Michel Kiat, Akio Fuwa

PHYSICAL REVIEW B   92 ( 5 )   2015.8

17aAD-4 Observations of domain boundaries in ferroics by using a second harmonic generation microscope

Yokota H.

Meeting Abstracts of the Physical Society of Japan   70   2448 - 2448   2015

22aCH-3 Magnetic and dielectric properties of hexagonal ErFeO_3 thin film

Yokota H., Nozue T., Fukunaga M., Nakamura S., Fuwa A.

Meeting Abstracts of the Physical Society of Japan   70   2712 - 2712   2015

Covalency-driven structural instability and spin-phonon coupling in barium cobalt oxychloride Reviewed

Tanushree Chakraborty, S. Baidya, Carlo Meneghini, Tanusri Saha-Dasgupta, Giulia Veronesi, Marco Merlini, Hiroko Yokota, Mitsuru Itoh, S. Majumdar, Sugata Ray

PHYSICAL REVIEW B   90 ( 23 )   2014.12

Covalency-driven structural instability and spin-phonon coupling in barium cobalt oxychloride Reviewed

Tanushree Chakraborty, S. Baidya, Carlo Meneghini, Tanusri Saha-Dasgupta, Giulia Veronesi, Marco Merlini, Hiroko Yokota, Mitsuru Itoh, S. Majumdar, Sugata Ray

PHYSICAL REVIEW B   90 ( 23 )   2014.12

The missing boundary in the phase diagram of PbZr1-xTixO3 Reviewed

N. Zhang, H. Yokota, A. M. Glazer, Z. Ren, D. A. Keen, D. S. Keeble, P. A. Thomas, Z. -G. Ye

NATURE COMMUNICATIONS   5   2014.10

Direct evidence of polar nature of ferroelastic twin boundaries in CaTiO3 obtained by second harmonic generation microscope Reviewed

H. Yokota, H. Usami, R. Haumont, P. Hicher, J. Kaneshiro, E. K. H. Salje, Y. Uesu

PHYSICAL REVIEW B   89 ( 14 )   2014.4

New Sight on the Morphotropic Phase Boundary of Pb(Zr,Ti)O_3 from a View Point of Structural Analyses

YOKOTA Hiroko

X-RAYS   54 ( 6 )   332 - 337   2012.12

Ferroelectricity and Ferromagnetism of BaTiO3/BaFeO3 Superlattice Thin Films Reviewed

Ryosuke Fukatani, Hiroko Yokota, Shingo Ogura, Yoshiaki Uesu, Ausrine Bartasyte, Mamoru Fukunaga, Yukio Noda

JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 9 )   2012.9

Ferroelectricity and Ferromagnetism of BaTiO3/BaFeO3 Superlattice Thin Films Reviewed

Ryosuke Fukatani, Hiroko Yokota, Shingo Ogura, Yoshiaki Uesu, Ausrine Bartasyte, Mamoru Fukunaga, Yukio Noda

JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 9 )   2012.9

Optical Second Harmonic Generation Microscopy as a Tool of Material Diagnosis Reviewed

Hiroko Yokota

Physics Research International   2012

The not so simple cubic structure of PbZr1-xTixO3 (PZT): complex local structural effects in perovskites Reviewed

Nan Zhang, Hiroko Yokota, A. M. Glazer, P. A. Thomas

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE   67   461 - 466   2011.12

The not so simple cubic structure of PbZr1-xTixO3 (PZT): complex local structural effects in perovskites Reviewed

Nan Zhang, Hiroko Yokota, A. M. Glazer, P. A. Thomas

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE   67   461 - 466   2011.12

Neutron powder diffraction refinement of PbZr1 (-) xTixO3 Reviewed

N. Zhang, H. Yokota, A. M. Glazer, P. A. Thomas

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS   67   386 - 398   2011.10

Neutron powder diffraction refinement of PbZr1 − xTixO3 Reviewed

Hiroko Yokota

Acta Crystallographica Section B Structural Science   2011.10

Dielectric relaxation in Li-doped KTaO3 studied by kinetic Monte Carlo Reviewed

Grégory Geneste, Jean-Michel Kiat, Hiroko Yokota, Yoshiaki Uesu

Physical Review B - Condensed Matter and Materials Physics   83 ( 18 )   2011.5

Dielectric relaxation in Li-doped KTaO3 studied by kinetic Monte Carlo Reviewed

Gregory Geneste, Jean-Michel Kiat, Hiroko Yokota, Yoshiaki Uesu

PHYSICAL REVIEW B   83 ( 18 )   2011.5

Crystal Structure Determinations of Zr Rich-PbZr1-xTixO3 Reviewed

H. Yokota, N. Zhang, P. A. Thomas, A. M. Glazer

FERROELECTRICS   414   147 - 154   2011

SHG Microscope Observations of Domain Structures of Multiferroic BiFeO3 Single Crystal Reviewed

H. Matsuura, H. Yokota, R. Haumont, J. M. Kiat, Y. Uesu

FERROELECTRICS   410   59 - 62   2011

Single Crystal Study of Competing Rhombohedral and Monoclinic Order in Lead Zirconate Titanate Reviewed

D. Phelan, X. Long, Y. Xie, Z. -G. Ye, A. M. Glazer, H. Yokota, P. A. Thomas, P. M. Gehring

PHYSICAL REVIEW LETTERS   105 ( 20 )   2010.11

Polar clusters in impurity-doped quantum paraelectric K1-xLixTaO(3) Reviewed

Gregory Geneste, Jean-Michel Kiat, Hiroko Yokota, Yoshiaki Uesu, Florence Porcher

PHYSICAL REVIEW B   81 ( 14 )   2010.4

Polar clusters in impurity-doped quantum paraelectric K1-xLixTaO(3) Reviewed

Gregory Geneste, Jean-Michel Kiat, Hiroko Yokota, Yoshiaki Uesu, Florence Porcher

PHYSICAL REVIEW B   81 ( 14 )   2010.4

Fabrication and characterizations of Multiferroic super-lattice thin films BaTiO3/BaFeO3 Reviewed

H. Yokota, H. Tabata, R. Fukatani, S. Ogura, Y. Uesu, G. B-Lee

2010 IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS (ISAF)   2010

Crystal structure of the rhombohedral phase of PbZr1-xTixO3 ceramics at room temperature Reviewed

H. Yokota, N. Zhang, A. E. Taylor, P. A. Thomas, A. M. Glazer

PHYSICAL REVIEW B   80 ( 10 )   2009.9

Second harmonic generation microscopic observations of a multiferroic BiFeO3 single crystal Reviewed

Hiroko Yokota, Raphael Haumont, Jean-Michel Kiat, Hiroto Matsuura, Yoshiaki Uesu

APPLIED PHYSICS LETTERS   95 ( 8 )   2009.8

SHG Microscope Observations of Domain Structures in Multiferroic BiFeO3 Reviewed

Hiroko Yokota, Raphael Haumont, Satoshi Kawado, Jean-Micheal Kiat, Charlotte Malibert, Yoshiaki Uesu

FERROELECTRICS   379   401 - 406   2009

Nonlinear Optical Properties and Ferroelectric Phase Transition of LaBGeO5 Reviewed

Hiroko Yokota, Yoshiaki Uesu, Boris Strukov, Michael Glazer

FERROELECTRICS   389   125 - 131   2009

Three-dimensional observations of polar domain structures using a confocal second-harmonic generation interference microscope Reviewed

Junichi Kaneshiro, Satoshi Kawado, Hiroko Yokota, Yoshiaki Uesu, Tatsuo Fukui

JOURNAL OF APPLIED PHYSICS   104 ( 5 )   2008.9

Critical behavior of K1-xLixTaO3 with the tri-critical concentration of Li under an electric field Reviewed

Hiroko Yokota, Yoshiaki Uesu

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 2 )   2008.2

Critical behavior of K1-xLixTaO3 with the tri-critical concentration of Li under an electric field Reviewed

Hiroko Yokota, Yoshiaki Uesu

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 2 )   2008.2

3D imaging of inverted domain structures by confocal SHG interference microscope Reviewed

Hiroko Yokota, Satoshi Kawado, Junichi Kaneshiro, Yoshiaki Uesu, Sunao Kurimura

INTEGRATED FERROELECTRICS   98   156 - 160   2008

SHG Tomography for Domain Structure ObservationsAn Application to 3D Visualizations of Periodically Poled Domains Reviewed

S. Kawado, H. Yokota, J. Kaneshiro, Y. Uesu

FERROELECTRICS   368   261 - 265   2008

Critical Point of Relaxor K1-xLixTaO3 Under an Electric Field Reviewed

Hiroko Yokota, Yoshiaki Uesu

FERROELECTRICS   369   69 - 75   2008

Li concentration dependence of dielectric responses of quantum relaxor K1-xLixTaO3 Reviewed

Hiroko Yokota, Aoi Okada, Izumi Ishida, Yoshiaki Uesu

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 10B )   7167 - 7170   2007.10

Three-dimensional observations of periodically poled domains in a LiTaO3 quasiphase matching crystal by second harmonic generation tomography Reviewed

Yoshiaki Uesu, Hiroko Yokota, Satoshi Kawado, Junichi Kaneshiro, Sunao Kurimura, Noritaka Kato

APPLIED PHYSICS LETTERS   91 ( 18 )   2007.10

Li concentration dependence of dielectric responses of quantum relaxor K1-xLixTaO3 Reviewed

Hiroko Yokota, Aoi Okada, Izumi Ishida, Yoshiaki Uesu

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   46 ( 10B )   7167 - 7170   2007.10

Non-ergodic Behavior of polarization growth in the quantum relaxor K1-xLixTaO3 Reviewed

Hiroko Yokota, Yoshiaki Uesu

JOURNAL OF THE KOREAN PHYSICAL SOCIETY   51 ( 2 )   744 - 746   2007.8

Recent progress on the SHG interference microscope and its applications Reviewed

Yoshiaki Uesu, Hiroko Yokota, Satoshi Kawado, Noritaka Kato

JOURNAL OF THE KOREAN PHYSICAL SOCIETY   51 ( 2 )   804 - 809   2007.8

Second-harmonic generation and x-ray diffraction studies of the pretransitional region and polar phase in relaxor K(1-x) Lix Ta O3 Reviewed

Hiroko Yokota, Yoshiaki Uesu, Charlotte Malibert, Jean-Michel Kiat

Physical Review B - Condensed Matter and Materials Physics   75 ( 18 )   2007.5

Second-harmonic generation and x-ray diffraction studies of the pretransitional region and polar phase in relaxor K(1-x)LixTaO3 Reviewed

Hiroko Yokota, Yoshiaki Uesu, Charlotte Malibert, Jean-Michel Kiat

PHYSICAL REVIEW B   75 ( 18 )   2007.5

Extremely slow time evolution of the order parameter under an electric field in relaxor K0.97Li0.03TaO3 Reviewed

H. Yokota, Y. Uesu

JOURNAL OF PHYSICS-CONDENSED MATTER   19 ( 10 )   2007.3

Optical properties of Li doped KTaO3 sing spectroscopic ellipsometer Reviewed

Hiroko Yokota, Jeremie Teyssier, Ronan Le Dantec, Yoshiaki Uesu, Jacques Bouillot

FERROELECTRICS   355   171 - 175   2007

Is K(1-x)LixTaO3 a real relaxor? Reviewed

Y. Uesu, H. Yokota, J. M. Kiat, C. Malibert

FERROELECTRICS   347   37 - 43   2007

Non-erogodic behaviour of polar state in KTaO3 doped with Li under an electric field Reviewed

H. Yokota, T. Oyama, Y. Uesu

THIRD 21COE SYMPOSIUM: ASTROPHYSICS AS INTERDISCIPLINARY SCIENCE   31   231 - +   2006

Second-harmonic-generation microscopic observations of polar state in Li-doped KTaO3 under an electric field Reviewed

Hiroko Yokota, Taeko Oyama, Yoshiaki Uesu

Physical Review B - Condensed Matter and Materials Physics   72 ( 14 )   2005.10

Second-harmonic-generation microscopic observations of polar state in Li-doped KTaO3 under an electric field Reviewed

H Yokota, T Oyama, Y Uesu

PHYSICAL REVIEW B   72 ( 14 )   2005.10

光第2高調波顕微鏡によるドメイン境界観察

横田紘子, 松本逸, HAUMONT Rapahel

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.22aB11‐2   2017.9

六方晶希土類鉄酸化物RFeO₃薄膜の誘電・磁性評価

實川隼輔, 野末朋也, 横田紘子, 中村真一, 瀬戸誠, 北尾真司, 小林康浩

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.23pPSA‐98   2017.9

光第2高調波顕微鏡を用いたフェロイック物質のドメイン壁の構造と物性評価

横田紘子

島津科学技術振興財団研究成果報告書   2015   51‐54   2017.1

Domain boundary observations by using a second harmonic generation microscope

Yokota H, Matsumoto S, Haumont R

Meeting Abstracts of the Physical Society of Japan   72 ( 0 )   2278 - 2278   2017

Multiferroic properties of hexagonal RFeO₃ thin films

Jitsukawa S, Nozue T, Yokota H, Nakamura S, Seto M, Kitao S, Kobayashi Y

Meeting Abstracts of the Physical Society of Japan   72 ( 0 )   2339 - 2339   2017

多元素メスバウアー分光法の凝縮系研究への高度応用

瀬戸誠, 北尾真司, 小林康浩, 齋藤真器名, 窪田卓見, 増田亮, 黒葛真行, 神原陽一, 中村真一, 篠田圭司, 小島憲道, 小島憲道, 横山拓史, 小寺政人, 山田幾也, 藤田晃司, 高橋正, 松下正史, 山本泰彦, 横田紘子

KURRI-EKR (Web)   ( 16 )   ROMBUNNO.PJ3 (WEB ONLY)   2016.12

多元素メスバウアー分光法の凝縮系研究への高度応用

瀬戸誠, 北尾真司, 小林康浩, 齋藤真器名, 窪田卓見, 増田亮, 黒葛真行, 神原陽一, 中村真一, 篠田圭司, 小島憲道, 小島憲道, 横山拓史, 小寺政人, 山田幾也, 藤田晃司, 高橋正, 松下正史, 山本泰彦, 横田紘子

KURRI-EKR (Web)   ( 16 )   ROMBUNNO.PJ3 (WEB ONLY)   2016.12

Local structure analysis on PbZr_1-xTi_xO₃ with MPB and Ti-rich region

Yokota Hiroko, Zhang Nan, Keen David, Thomas Pam, Glazer Mike

Meeting Abstracts of the Physical Society of Japan   71 ( 2 )   ROMBUNNO.15aBC‐3 - 2576   2016.9

六方晶ErFeO₃薄膜におけるマルチフェロイックス特性

横田紘子, 實川隼輔, 野末朋也

日本物理学会講演概要集(CD-ROM)   71 ( 1 )   ROMBUNNO.20PAQ‐3   2016.3

8pAF-2 Local structure analysis on Zr-rich PbZr_<1-x>TiO_3 at room temperature

Yokota H., Zhang N., Keen D., Thomas P., Ye Z.-G., Glazer M.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   697 - 697   2014.8

層状希土類鉄酸化物YbFe₂O₄の電気分極

永田知子, 福永守, 横田紘子, 近藤豪, 木村宏之, 野田幸男, 長谷川奈保, 武貞正樹, 小野寺彰, 狩野旬, 神戸高志, ROMAN B., JANOLIN P.-E., KIAT J.-M., 池田直

日本物理学会講演概要集   69 ( 1 )   2014

Crystal Structure determination of PbZr_<1-x>Ti_xO_3 through morphotropic phase boundary

Yokota Hiroko, Zhang Nan, Thomas Pam, Glazer Mike

Meeting abstracts of the Physical Society of Japan   68 ( 2 )   863 - 863   2013.8

25aPS-2 Domain structure observations of relaxer ferroelectric PMN-PT by a second harmonic generation microscope

Usami H., Kanesiro J., Yokota H.

Meeting abstracts of the Physical Society of Japan   67 ( 1 )   995 - 995   2012.3

24aCL-1 Syntheses of (Pb-Sn-Ti)O_3 thin films using the nucleation-mixture deposition and their structural and physical properties

Iwasaki J., Uesu Y., Yokota H., Haumont R., Janolin P. E., Kiat J. M.

Meeting abstracts of the Physical Society of Japan   67 ( 1 )   983 - 983   2012.3

24aCL-10 Crystal Structure Refinements of PbZr_<1-x>Ti_xO_3 in a high temperature region

Yokota Hiroko, Zhang Nan, Thomas Pam, Glazer Mike

Meeting abstracts of the Physical Society of Japan   67 ( 1 )   985 - 985   2012.3

Optical second harmonic generation microscopy as a tool of material diagnosis

Hiroko Yokota, Junichi Kaneshiro, Yoshiaki Uesu

Physics Research International   2012

22aGN-3 Structure and multiferroic properties of BaFeO_3/BaTiO_3 super-lattice thin films

Fukatani R., Uesu Y., Yokota H., Fukunaga M., Noda Y.

Meeting abstracts of the Physical Society of Japan   66 ( 2 )   977 - 977   2011.8

27pTM-2 Crystal Structure determination of PbZr_<1-x>Ti_xO_3 through morphotropic phase boundary

Yokota Hiroko, Zhang Nan, Thomas Pam, Glazer Mike

Meeting abstracts of the Physical Society of Japan   66 ( 1 )   982 - 982   2011.3

Domain Structure Observations by Means of Second Harmonic Generation Microscope

UESU Yoshiaki, YOKOTA Hiroko

Butsuri   66 ( 2 )   105 - 112   2011.2

25pWY-4 Multiferroic properties of BaFeO_3/BaTiO_3 superlattice films

Fukatani R., Yokota H., Tabata H., Li G. B., Uesu Y.

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   918 - 918   2010.8

23pWY-7 Temperature dependences of SHG in BiFeO_3 single crystal and thin films

Matsuura H., Nakamura M., Yokota H., Uesu Y., Haumont R., Kiat J. M.

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   890 - 890   2010.8

23pWY-12 Crystal Structure determination of PbZr_<1-x>Ti_xO_3 through morphotropic phase boundary

Yokota Hiroko, Zhang Nan, Thomas Pam, Glazer Mike

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   891 - 891   2010.8

25pWY-3 Syntheses of PZT thin films on Pt/Ti substrates and their structural and dielectric property

Nishihara Yoshiya, Yokota Hiroko, Uesu Yoshiaki

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   918 - 918   2010.8

20pHS-9 Crystal structure of Rhombohedral phase of PbZr_<1-x>Ti_xO_3

Yokota Hiroko, Zhang Nan, Taylor Alice, Thomas Pam, Glazer Mike

Meeting abstracts of the Physical Society of Japan   65 ( 1 )   976 - 976   2010.3

Crystal structure of the rhombohedral phase of PbZr1-xTixO3 ceramics at room temperature (vol 80, 104109, 2009)

H. Yokota, N. Zhang, A. E. Taylor, P. A. Thomas, A. M. Glazer

PHYSICAL REVIEW B   80 ( 13 )   2009.10

27pRF-3 Ordering of the polar state and critical phenomenon in quantum relaxor K_<1-x>Li_xTaO_3

Yokota Hiroko

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   941 - 941   2009.3

29pRF-1 SHG microscope observations of domain structures of multiferroic BiFeO_3 single crystal

Matsuura H., Yokota H., Uesu Y., Haumont Raphael, Kiat Jean-Michel

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   964 - 964   2009.3

24pYE-5 Domain structure images using SHG microscopes

Uesu Y., Yokota H., Kawado S., Kaneshiro J., Shimamoto Y., Ishiwata S., Fukui T.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   934 - 934   2008.2

23aYE-9 The piezoelectric properties of Quantum relaxor K_<1-x>Li_xTaO_3 near the critical point

Ishida I., Yokota H., Uesu Y.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   911 - 911   2008.2

23aYE-8 Li concentration dependence of the critical behavior in quantum relaxor of Li doped KTaO_3

Yokota H., Uesu Y., Strukov B.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   911 - 911   2008.2

21pTK-1 Critical behavior of quantum relaxor K_<1-x>LiTaO_3 under an electric field

Yokota Hiroko, Uesu Yoshiaki

Meeting abstracts of the Physical Society of Japan   62 ( 2 )   728 - 728   2007.8

18pXG-8 Li concentration dependence of dielectric properties in KTaO_3:Li

Okada A., Yokota H., Ishida I., Uesu Y.

Meeting abstracts of the Physical Society of Japan   62 ( 1 )   943 - 943   2007.2

18pXG-9 Neutron critical diffuse scattering in quantum relaxor K_<1-x>Li_xTaO_3

Yokota H., Asanuma S., Uesu Y., Tsunoda Y.

Meeting abstracts of the Physical Society of Japan   62 ( 1 )   943 - 943   2007.2

24aQE-6 Low temperature optical properties of quantum relaxor KTaO_3:Li measured by spectroscopic ellipsometer

Yokota H., Teyssier Jeremie, Dantec Ronan Le, Uesu Yoshiaki, Bouillot Jacques

Meeting abstracts of the Physical Society of Japan   61 ( 2 )   578 - 578   2006.8

27aYA-10 Two step changes of polar state in Li-doped KTaO_3

Yokota Hiroko, Oyama Taeko, Uesu Yoshiaki, Kiat Jean-Michel, Malibert Charlotte

Meeting abstracts of the Physical Society of Japan   61 ( 1 )   923 - 923   2006.3

Is Li-doped KTaO3 really relaxor?

Y.Uesu, H.Yokota

Japan-Russia-CIA-Baltic Symposium on Ferroelectricity   2006   11 - 11   2006

25aYR-10 Observation of impurity (Li)-induced phase transition in KTaO_3 by using SHG Microscope

Yokota H., Oyama T., Uesu Y.

Meeting abstracts of the Physical Society of Japan   60 ( 1 )   906 - 906   2005.3

12aXA-4 Observation of QPE state in SrTiO_3 by using SHG Microscope

Oyama T., Yokota H., Nakai R., Uesu Y., Menoret Carole, Kiat Jean-Michel, Itoh M., Kyoumen T.

Meeting abstracts of the Physical Society of Japan   59 ( 2 )   626 - 626   2004.8

Young scientist award

2010   Russia/CIS/Baltic/Japan Symposium on Ferroelectricity   Crystal Structure of Rhombohedral PbZr1-x TixO3

Hiroko Yokota, Nan Zhang, Pam Thomas, Mike Glazer

Best presentation award

2010  

Hiroko Yokota, Nan Zhang, Pam Thomas, Mike Glazer

Young Scientist Award of the Physical Society of Japan

2009.3   The Physical Society of Japan  

Best poster award

2005   Non-ergodic behavior of the polar state of KTaO3 doped with Li under the electric field

優秀ポスター賞

2005   日本セラミックス協会   量子常誘電体KTaO3におけるLi添加誘起相転移のSHG顕微鏡観察

横田 紘子, 大山 妙子, 上江洲 由晃

トポロジカルプラットフォームとしての強誘電分域境界

2019.10 - 2023.3

科学技術振興機構  戦略的創造研究推進事業（さきがけ） 

横田 紘子

「強誘電体分極の巨大近接効果」の現象としての確立

Grant number：19K21853  2019.6 - 2022.3

日本学術振興会  科学研究費助成事業 挑戦的研究(萌芽)  挑戦的研究(萌芽)

渡部 行男, 藤澤 浩訓, 佐藤 琢哉, 横田 紘子

Domain boundary as a functional material

Grant number：17K05489  2017.4 - 2020.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

Yokota Hiroko

Domain boundary in Ferroics

Grant number：15K17674  2015.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

Yokota Hiroko

Yuragi Electronics inspired by bio-system

Grant number：24226014  2012.5 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S)  Grant-in-Aid for Scientific Research (S)

Tabata Hitoshi, HOTTA Yasushi, YOKOTA Hiroko, YAMAHARA Hiroyasu

Observation and understanding the dielectric respond of material hierarchy with using the second harmonic generation microscope

Grant number：24740195  2012.4 - 2015.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

YOKOTA Hiroko

構造不均一性が誘起するスピン・双極子ゆらぎと巨大応答物性

Grant number：09J08448  2009 - 2011

日本学術振興会  科学研究費助成事業 特別研究員奨励費  特別研究員奨励費

横田 紘子

量子常誘電体の不純物効果-リチウムを添加したタンタル酸カリウムの分極状態-

Grant number：07J02102  2007 - 2008

日本学術振興会  科学研究費助成事業 特別研究員奨励費  特別研究員奨励費

横田 紘子