Watanabe Yukio

ワタナベユキオ | Watanabe Yukio

Affiliation and department：
Homepage URL (2)： https://hyoka.ofc.kyushu-u.ac.jp/search/details/K002204/thesisList.html , http://hyoka.ofc.kyushu-u.ac.jp/search/details/K002204/announceList.html

Research field (1)： Semiconductors, optical and atomic physics

Research theme for competitive and other funds (30)：

2019 - 2021 「強誘電体分極の巨大近接効果」の現象としての確立
2014 - 2017 金属酸化物からのトンネル電子による、結晶性酸化物ヘテロ接合の形成
2007 - 2008 超高真空中の清浄な表面をもつ強誘電体の分域構造の研究
2008 - 2008 二国間交流事業事業名:韓国KOSEFとの共同研究・セミナー代表者:兵庫県立大学・大学院工学研究科教授・清水勝セミナー名:第7回韓日強誘電体会議セミナー開催期間:8/7-8/9
2007 - 2008 原子レベルで平坦な強誘電体の清浄表面の形成とその伝導層の物性解明

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Papers (112)：

Yukio Watanabe. Examination of permittivity for depolarization field of ferroelectric by ab initio calculation, suggesting hidden mechanisms. Scientific Reports. 2021. 11
Y Watanabe. Breakdown of ion-polarization-correspondence and born effective charges: Algebraic formulas of accurate polarization under field. Physical Review Materials. 2020. 4. 10. 104405
Y. Watanabe. Electrostatics Liberating Restrictions on Ferroelectric by Unification of Polar Discontinuity e- h+ layers and Criteria of Intrinsicality. Ferroelectrics. 2020. 556. 1. 29-36
Y. Watanabe. Verification of Permittivity for Depolarization as Unity by Ab Initio Calculations. Ferro2019 Extended abstract. 2020. 2019. 140-141
Y Watanabe. Ferroelectricity of stress-free and strained pure SrTiO3 revealed by ab initio calculations with hybrid and density functionals. Physical Review B. 2019. 99. 064107-1-064107-14

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MISC (26)：

渡部. 非局在電子による強誘電体とそのナノ構造の理解. 2011
渡部. 領域10”シンポジウム報告” 強誘電体分域の測定法の新展開と新しい分域像”. 2008
渡部. 超高真空中の清浄な表面をもつ強誘電体の分域構造の研究. 2008
Yukio Watanabe. Review of Resistance Switching of Ferroelectrics and Oxides in Quest for Unconventional Electronic Mechanisms (被引用44). 2007
渡部. 領域10,5,8,3シンポジウムシンポジウム誘電体の電子ダイナミクス. 2006

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Patents (17)：

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Books (2)：

Virk and Kleemann ed. Ferroics and Mulitferroics (Solid State Phenomena Vol.189)の分担執筆 pp.57-pp.93(Y.Watanabe) ”Intrinsic Free Electrons/Holes at Polarization Discontinuities and their Implications for Basics of Ferroelectricity and its Origin”
Trans Tech Publications (Switzerland) 2012
Ferroelectric Thin Films - Basic and Device Physics in FerroelectricThin Films for Memory Application (Topics in Applied Physics 98)
Springer 2005

Lectures and oral presentations (113)：

強誘電体の第一原理計算の精度の基準の提案及び応力歪による分極増加の改定
(応用物理学会秋季大会 2020)
SrTiO3-BaTiO3 系の自発分極を格子パラメーターから精密に求める半経験的代数式
(応用物理学会秋季大会 2020)
揺らぎの無い場合の基底状態としての SrTiO3 の強誘電性
(応用物理学会秋季大会 2020)
Verification of Permittivity for Depolarization as Unity by Ab Initio Calculations
(Fundamental Physics of Ferroelectrics 2020)
Renovation of Electrostatics of Ferroelectrics Liberating Ferroelectricity from Established Restrictions (招待講演)
(14th European Meeting on Ferroelectricity(EMF) (2019 IEEE ISAF-ICE-EMF-IWPM-PFM Joint Conference内) 2019)

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Works (2)：

magneto optical disk world wide industrialization
T. Yoshitomi, Y. Kobayashi, Y. Watanabe, et al (Mitsubishi Chemical) 1983 - 1987
Design principle of strength of coal tar-based carbon fiber used in industrialization
Watanabe (Mitsubishi Chemical) 1982 - 1982

Work history (10)：

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Committee career (11)：

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Awards (1)：

Association Membership(s) (3)：

学外 , 学外 , 学外

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