IWATA Makoto

写真a

Affiliation Department

物理工学科 応用物理分野
工学専攻 応用物理プログラム

Title

Professor

Contact information

Contact information

Homepage

http://diele.web.nitech.ac.jp/

External Link

Degree

  • Master of Engineering ( Nagoya University )

  • Doctor (Engineering) ( Nagoya University )

Research Areas

  • Natural Science / Semiconductors, optical properties of condensed matter and atomic physics  / dielectrics, structural phase transition

  • Nanotechnology/Materials / Applied physical properties

From Graduate School

  • Nagoya University   Graduate School, Division of Engineering   Doctor's Course   Completed

    - 1994.03

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    Country:Japan

  • Nagoya University   Graduate School, Division of Engineering   Doctor's Course   Completed

    - 1991.03

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    Country:Japan

External Career

  • Faculty of Engineering, Nagoya University   Research Assistant

    1994.04 - 2001.03

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    Country:Japan

Professional Memberships

  • 日本物理学会

    1990.10

  • The dielectric society of Japan

    2020.02

 

Research Career

  • Study of the field induced phase transition

    (not selected)  

    Project Year: 2010.04

  • Theoretical study on lattice vibrations

    (not selected)  

    Project Year: 2008.04

  • Characterization of ferroelectric Materials by Scanning Force Microscopy

    (not selected)  

    Project Year: 2001.04

  • Study on Relaxor Ferroelectrics

    (not selected)  

    Project Year: 1997.04

  • Crystal growth of ferroelectric materials

    (not selected)  

    Project Year: 1989.04

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Papers

  • Field-induced effects and ferroelectric critical endpoint in (K0.95Li0.05)(Nb1–xTax)O3 single crystals Reviewed

    Makoto Iwata, Tagata Shouma, Tomoya Koketsu, Yoshinori Takikawa, Hidetoshi Miyazaki, and Koji Kimura

    Jpn. J. Appl. Phys.   63   07SP09/1 - 07SP09/7   2024.07

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.35848/1347-4065/ad6165

    DOI: doi.org/10.35848/1347-4065/ad6165

  • Soft mode behavior near the critical endpoint of a nematic liquid crystal with positive dielectric anisotropy Reviewed

    Yoshinori Takikawa, Taro Tamehiro, Makoto Iwata, and Hiroshi Orihara

    J. Phys. Soc. Jpn.   93   064004/1 - 064004/6   2024.05

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.7566/JPSJ.93.064004

    DOI: doi.org/10.7566/JPSJ.93.064004

  • Electric Field Effect on Chiral Smectic Phases of Antiferroelectric Liquid Crystal Reviewed International coauthorship

    Andika Fajar, Yoshinori Takikawa, Makoto Iwata, and Hiroshi Orihara

    J. Phys. Soc. Jpn.   93   034709/1 - 034709/7   2024.02

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.7566/JPSJ.93.034709

    DOI: doi.org/10.7566/JPSJ.93.034709

  • Phase transitions under the electric field in ternary ferroelectric solid solutions Pb(In1/2Nb1/2)O3–Pb(Mg1/3Nb1/3)O3–PbTiO3 near the morphotropic phase boundary: electrical approach Invited Reviewed

    Makoto Iwata, Soma Suzuki, Yoshinori Takikawa, Keiichiro Nakamura, and Kazuhiko Echizenya

    Crystals   14   121/1 - 121/16   2024.01

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3390/cryst14020121

    DOI: 10.3390/cryst14020121

  • Temperature dependence of the aging effect in Pb(Zn1/3Nb2/3)O3–PbTiO3 and BaTiO3 single crystals Reviewed

    Makoto Iwata, Kanako Saitoh, Ryuta Kotani, Yuuma Ohgoshi, Yoshinori Takikawa

    Jpn. J. Appl. Phys.   62   SM1001/1 - SM1001/6   2023.07

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.35848/1347-4065/acdf69

    DOI: 10.35848/1347-4065/acdf69

    Other Link: https://iopscience.iop.org/article/10.35848/1347-4065/acdf69

  • Single Crystal Growth with Flux Method and Local Structure Analysis around Fe Using X-ray Fluorescence Holography for Multiferroic Pb(Fe1/2Ta1/2)O3 Reviewed

    Y. Inoue, K. Kimura, M. Maruyama, N. Happo, T. Asaka, M. Iwata, T. Matsushita, and K. Hayashi

    e-Journal of Surface Science and Nanotechnology   21 ( 4 )   278 - 283   2023.05

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1380/ejssnt.2023-048

    DOI: 10.1380/ejssnt.2023-048

    Other Link: https://www.jstage.jst.go.jp/article/ejssnt/21/4/21_2023-048/_article

  • Broken Compatibility of the In-plane Polarization at the Domain Wall in Biaxial Ferroelectrics Reviewed

    Makoto Iwata, Lin-Feng Li, and Yoshinori Takikawa,

    J. Phys. Soc. Jpn.   91   105001/1 - 105001/2   2022.10

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7566/JPSJ.91.105001

    DOI: 10.7566/JPSJ.91.105001

    Other Link: https://doi.org/10.7566/JPSJ.91.105001

  • Temperature dependence of the aging in Pb(Mg1/3Nb2/3)O3–PbTiO3 single crystal Reviewed

    Makoto Iwata, Yuma Okoshi, Soma Suzuki, Kanako Saito, Yoshinori Takikawa, and Yoshihito Tachi

    Jpn. J. Appl. Phys.   61   SN1003/1 - SN1003/7   2022.07

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.35848/1347-4065/ac7cc7

    DOI: 10.35848/1347-4065/ac7cc7

    Other Link: https://iopscience.iop.org/article/10.35848/1347-4065/ac7cc7

  • Nonlinear dielectric susceptibility in Pb(Sc1/2Ta1/2)O3 single crystals Reviewed

    Makoto Iwata, Yohei Arimoto, Yota Suzuki, and Yoshinori Takikawa

    J. Phys. Soc. Jpn.   91   054702/1 - 054702/5   2022.05

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7566/JPSJ.91.054702

    DOI: 10.7566/JPSJ.91.054702

    Other Link: https://journals.jps.jp/doi/10.7566/JPSJ.91.054702

  • Dielectric Study of the Electric-Field-Induced Critical Endpoint in a Nematic Liquid Crystal with Positive Dielectric Anisotropy Reviewed

    Yoshinori Takikawa, Keisuke Katagiri, Makoto Iwata, Hiroshi Orihara

    J. Phys. Soc. Jpn.   91   024002/1 - 024002/5   2022.02

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7566/JPSJ.91.024002

    DOI: 10.7566/JPSJ.91.024002

    Other Link: https://journals.jps.jp/doi/full/10.7566/JPSJ.91.024002

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Books and Other Publications

  • electromagnetism

    Makoto Iwata( Role: Sole author)

    Morikita Publishing Co., Ltd.  2023.03 

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    Total pages:190   Responsible for pages:全て   Language:jpn   Book type:Textbook, survey, introduction

  • electromagnetism

    Makoto Iwata( Role: Sole author)

    Morikita Publishing Co., Ltd.  2020.04 

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    Total pages:190   Responsible for pages:全て   Language:jpn   Book type:Textbook, survey, introduction

  • Ferroelectrics - Characterization and Modeling: Intrinsic Interface Coupling in Ferroelectric Heterostructures and Superlattices

    K.-H. Chew, L.-H. Ong and M. Iwata( Role: Joint author)

    InTech  2011.08  ( ISBN:978-953-307-455-9

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    Language:eng   Book type:Scholarly book

  • セラミックスの電磁気的・光学的性質

    -( Role: Joint author)

    日本セラミクス協会  2006.04  ( ISBN:4-931298-47-8

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    Language:jpn  

  • Ferroelectric thin films Basic Properties and Device Physics for Memory Applications

    ( Role: Joint author)

    Springer  2005.04  ( ISBN:3-540-24163-9

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    Language:jpn  

Misc

Presentations

  • Temperature-field phase diagrams determined by hysteresis loops in Pb(Zn1/3Nb2/3)O3–PbTiO3 solid solutions International coauthorship

    2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Transient response of stress in nematic liquid crystal to step electric field

    2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Ferroelectric phase transition in Sr0.6Ba0.4Nb2O6 and effect of electric field application

    2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Temperature and electric field dependences of soft mode of nematic liquid crystal with negative dielectric anisotropy

    2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Soft mode of nematic liquid crystal with negative dielectric anisotropy under DC electric field

    2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Field induced Critical endpoint and dielectric tunability in (1–x)KNbO3–xKTaO3 single crystals

    2024.06 

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    Event date: 2024.06

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Single Crystal Growth with Bridgman–Stockbarger method and Structural Analysis of KNbO3

    2023.12 

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    Event date: 2023.12

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • Application of in-situ X-ray Fluorescence Holography under an Electric Field to Pb(Mg1/3Nb2/3)O3-PbTiO3 Piezoelectric Material International conference

    Koji Kimura, Hiroshi Toyama, Seiji Nakashima, Halubai Sekhar, Naohisa Happo, Hiroo Tajiri, Makoto Iwata, and Koichi Hayashi

    International conference on complex orders in condensed matter: aperiodic order, local order, electronic order, hidden order  2023.09  International conference on complex orders in condensed matter: aperiodic order, local order, electronic order, hidden order

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    Event date: 2023.09

    Language:English   Presentation type:Poster presentation  

    Venue:Evian (France)   Country:France  

  • Dielectric properties of nematic liquid crystals with negative dielectric anisotropy under DC electric field

    2023.09 

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    Event date: 2023.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Structural analysis of Pb(Mg1/3Nb2/3)O3-PbTiO3 by X-ray fluorescence holography under an electric field

    2023.09 

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    Event date: 2023.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

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Industrial Property Rights

  • tunable capacitor

    Makoto Iwata, Masaki Maeda, and Kazuki Tanaka

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    Application no:特願2012-174483  Date applied:2012.08

    Patent/Registration no:6032701  Date registered:2016.11  Date issued:2016.11

    Country of applicant:Domestic   Country of acquisition:Domestic

Awards

  • JPEX/JJAP編集貢献賞

    2009.04   -  

    -

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    Country:Japan

  • 平成三十年度教員評価 優秀賞

    2018.06   名古屋工業大学  

    岩田 真

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    Country:Japan

  • 平成二十八年度教員評価 優秀賞

    2016.11   名古屋工業大学  

    岩田 真

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    Country:Japan

Scientific Research Funds Acquisition Results

  • 強誘電体KTN混晶の温度-電場-濃度相図と誘電チューナブル材料への応用

    Grant number:24K06918  2024.04 - 2028.03

    日本学術振興会  科学研究費助成  基盤研究(C)

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4680000 ( Direct Cost: \3600000 、 Indirect Cost:\1080000 )

  • 蛍光X線ホログラフィーによる高性能ピエゾ材料の電場応答3次元精密構造解析

    Grant number:22H01774  2022.04 - 2026.03

    日本学術振興会  基盤研究(B)

    木村 耕治、岩田 真

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\14820000 ( Direct Cost: \11400000 、 Indirect Cost:\3420000 )

 

Committee Memberships

  •   Associate Editor of JPSJ  

    2018.04 - 2025.03   

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    Committee type:Academic society

  • 日本誘電体学会   強誘電体応用会議 論文委員  

    2006.03   

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    Committee type:Academic society

  • 日本誘電体学会   運営委員  

    2020.02   

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    Committee type:Academic society

  •   Editor of special issue  

    2012.05   

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    Committee type:Academic society

  • The dielectric society of Japan   chairperson of the selection committee on best young researcher presentation awards  

    2015.04 - 2016.03   

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    Committee type:Academic society

  • 日本物理学会   代議員  

    2009.09 - 2013.03   

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    Committee type:Academic society

  • 応用物理学会   JJAP編集委員  

    2004.04 - 2005.03   

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    Committee type:Academic society

Social Activities

  • 関高校模擬授業

    Role(s): Lecturer

    名古屋工業大学  2024.11

  • 体験!物理工学の世界

    Role(s): Lecturer, Demonstrator

    物理工学科  名古屋工業大学  2024.08

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    Audience: High school students, General

    高校生対象の公開講座を開講した。