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Unuma Takeya  鵜沼 毅也

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UNUMA Takeya  鵜沼 毅也

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Researcher Number 20456693
Other IDs
Affiliation (Current) 2022: 長岡技術科学大学, 工学研究科, 准教授
Affiliation (based on the past Project Information) *help 2016 – 2021: 長岡技術科学大学, 工学研究科, 准教授
2014 – 2016: 長岡技術科学大学, 工学(系)研究科(研究院), 准教授
2012 – 2013: 名古屋大学, 工学(系)研究科(研究院), 助教
2011 – 2012: 名古屋大学, 工学研究科, 助教
2008 – 2010: Nagoya University, 大学院・工学研究科, 助教
Review Section/Research Field
Principal Investigator
Condensed matter physics I / Science and Engineering / Applied materials / Electronic materials/Electric materials / Medium-sized Section 21:Electrical and electronic engineering and related fields / Basic Section 21050:Electric and electronic materials-related
Except Principal Investigator
Condensed matter physics I / Basic Section 21060:Electron device and electronic equipment-related
Keywords
Principal Investigator
テラヘルツ / テラヘルツ/赤外材料・素子 / 半導体物性 / 超格子 / 有機半導体 / 有機導体 / 半導体超格子 / 光学利得 / 量子ビート / 非平衡系 … More / 共役ポリマー / 共役系高分子 / 一次元系 / 共役系 / シュタルク効果 / テラヘルツ放射 / フェムト秒 / 超高速現象 / 高電場効果 / トンネル効果 / 光物性 … More
Except Principal Investigator
光物性 / 共役系高分子 / 開殻電子系 / ドーピング / イオン液体 / ポンププローブ分光 / 非線形光学 / 緩和過程 / 開殻π電子系 / 液晶 / 光異性化 / 高速応答 / ネマティック / フレクソエレクトリック / フレクソエレクトリック効果 / 光異性化反応 / ネマティック液晶 / フェムト秒レーザ Less
  • Research Projects

    (9 results)
  • Research Products

    (36 results)
  • Co-Researchers

    (8 People)
  •  半導体超格子の室温テラヘルツ利得における動的電子相関の解明と制御Principal Investigator

    • Principal Investigator
      鵜沼 毅也
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 21050:Electric and electronic materials-related
    • Research Institution
      Nagaoka University of Technology
  •  Ultrafast response detection of photo-induced flexoelectric effect and its elucidation of molecular motion from mesoscopic viewpoint

    • Principal Investigator
      木村 宗弘
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 21060:Electron device and electronic equipment-related
    • Research Institution
      Nagaoka University of Technology
  •  有機半導体におけるバリスティック伝導の顕在化と分子的制御Principal Investigator

    • Principal Investigator
      鵜沼 毅也
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 21:Electrical and electronic engineering and related fields
    • Research Institution
      Nagaoka University of Technology
  •  Structural elaboration and external cavity control of semiconductor superlattices with room-temperature terahertz gainPrincipal Investigator

    • Principal Investigator
      Unuma Takeya
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      Nagaoka University of Technology
  •  Exploration of ballistic conduction on the femtosecond scale in organic semiconductorsPrincipal Investigator

    • Principal Investigator
      Unuma Takeya
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Applied materials
    • Research Institution
      Nagaoka University of Technology
  •  Enhancement and field-effect control of terahertz gain in semiconductor superlatticesPrincipal Investigator

    • Principal Investigator
      Unuma Takeya
    • Project Period (FY)
      2013 – 2016
    • Research Category
      Grant-in-Aid for Young Scientists (A)
    • Research Field
      Condensed matter physics I
    • Research Institution
      Nagaoka University of Technology
      Nagoya University
  •  キャリア密度の制御された半導体共役ポリマーにおける動的相関効果Principal Investigator

    • Principal Investigator
      鵜沼 毅也
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      Nagoya University
  •  Nonlinear optical responses and relaxation processes of photo-carriers in open-shell π-electronic systems

    • Principal Investigator
      KISHIDA Hideo
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Condensed matter physics I
    • Research Institution
      Nagoya University
  •  Terahertz spectroscopic elucidation of the carrier dynamics in semiconducting conjugated polymersPrincipal Investigator

    • Principal Investigator
      UNUMA Takeya
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Condensed matter physics I
    • Research Institution
      Nagoya University

All 2021 2020 2019 2018 2017 2016 2012 2011 2010 2009

All Journal Article Presentation

  • [Journal Article] Terahertz complex conductivity of cellulose nanocrystal based composite films controlled with PEDOT:PSS blending ratio2020

    • Author(s)
      T. Unuma, O. Kobayashi, S. Kotaka, R. Koppolu, M. Toivakka, J. J. Saarinen
    • Journal Title

      Cellulose

      Volume: 27 Pages: 10019-10027

    • DOI

      10.1007/s10570-020-03464-4

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K21966
  • [Journal Article] Phase shift of terahertz Bloch oscillations induced by interminiband mixing in a biased semiconductor superlattice2019

    • Author(s)
      T. Unuma and S. Maeda
    • Journal Title

      Applied Physics Express

      Volume: 12 Issue: 4 Pages: 041003-041003

    • DOI

      10.7567/1882-0786/ab0514

    • NAID

      210000135640

    • ISSN
      1882-0778, 1882-0786
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Journal Article] Generalized framework for determining time origin in terahertz emission spectroscopy on the basis of causality2019

    • Author(s)
      T. Unuma and K. Minami
    • Journal Title

      Optics Express

      Volume: 27 Pages: 5136-5143

    • DOI

      10.1364/oe.27.005136

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Journal Article] Temperature-dependent spectral linewidths of terahertz Bloch oscillations in biased semiconductor superlattices2018

    • Author(s)
      T. Unuma and A. Matsuda
    • Journal Title

      Applied Physics Letters

      Volume: 112

    • DOI

      10.1063/1.5024342

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Journal Article] Segmentation of conducting domains in PEDOT:PSS films induced by an additive for conductivity enhancement2016

    • Author(s)
      Takeya Unuma, Muneki Yoshikawa, Arao Nakamura, Hideo Kishida
    • Journal Title

      Applied Physics Express

      Volume: 9 Issue: 5 Pages: 051601-051601

    • DOI

      10.7567/apex.9.051601

    • NAID

      210000137874

    • ISSN
      1882-0778, 1882-0786
    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K13334
  • [Journal Article] Terahertz emission from biased conjugated polymers excited by femtosecond laser pulses2016

    • Author(s)
      Takeya Unuma, Naruki Yamada, Hideo Kishida
    • Journal Title

      Applied Physics Express

      Volume: 9 Issue: 12 Pages: 121601-121601

    • DOI

      10.7567/apex.9.121601

    • NAID

      210000138113

    • ISSN
      1882-0778, 1882-0786
    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K13334, KAKENHI-PROJECT-16K13819
  • [Journal Article] Capacitive response and room-temperature terahertz gain of a Wannier–Stark ladder system in GaAs-based superlattices2016

    • Author(s)
      Akiyoshi Naka, Kazuhiko Hirakawa, Takeya Unuma
    • Journal Title

      Applied Physics Express

      Volume: 9 Issue: 11 Pages: 112101-112101

    • DOI

      10.7567/apex.9.112101

    • NAID

      210000138090

    • ISSN
      1882-0778, 1882-0786
    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25707026
  • [Journal Article] Causality-based method for determining the time origin in terahertz emission spectroscopy2011

    • Author(s)
      T.Unuma, Y.Ino, K.Peiponen, E.M.Vartiainen, M.Kuwata-Gonokami, K.Hirakawa
    • Journal Title

      Optics Express

      Volume: 19(13) Pages: 12759-12765

    • DOI

      10.1364/oe.19.012759

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-20104002, KAKENHI-PROJECT-22241036, KAKENHI-PUBLICLY-23104716
  • [Journal Article] Terahertz complex conductivities of carriers with partial localization in doped polythiophenes2010

    • Author(s)
      Takeya Unuma, Kenji Fujii, Hideo Kishida, Arao Nakamura
    • Journal Title

      Applied Physics Letters 97

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Journal Article] Terahertz complex conductivities of carriers with partial localization in doped polythiophenes2010

    • Author(s)
      Takeya Unuma, Kenji Fujii, Hideo Kishida, and Arao Nakamura
    • Journal Title

      Applied Physics Letters

      Volume: 97(3)

    • DOI

      10.1063/1.3466916

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340079
  • [Journal Article] Terahertz complex conductivities of carriers with partial localization in doped polythiophenes2010

    • Author(s)
      T.Unuma, K.Fujii, H.Kishida, A.Nakamura
    • Journal Title

      Applied Physics Letters

      Volume: 97

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] 導電性ポリマーを配合したナノセルロース薄膜のテラヘルツ複素伝導度2021

    • Author(s)
      小鷹尚也,小林想,鵜沼毅也,R. Koppolu,M Toivakka,J. J. Saarinen
    • Organizer
      第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K21966
  • [Presentation] 導電性ポリマーによって制御されたセルロースナノクリスタル薄膜のテラヘルツ伝導度スペクトル2020

    • Author(s)
      小鷹尚也,小林想,鵜沼毅也,R. Koppolu,M. Toivakka,J. J. Saarinen
    • Organizer
      令和2年度応用物理学会北陸・信越支部学術講演会
    • Data Source
      KAKENHI-PROJECT-19K21966
  • [Presentation] ナノ構造半導体・有機半導体における弱局在電子系のテラヘルツ応答2019

    • Author(s)
      鵜沼毅也
    • Organizer
      強光子場科学研究懇談会 2018年度第3回懇談会(講演会)
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] ミニバンド間相互作用の強いGaAs/AlGaAs超格子におけるブロッホ振動の位相シフト2018

    • Author(s)
      前田秀平,鵜沼毅也
    • Organizer
      日本物理学会2018年秋季大会
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] ミニギャップの狭いGaAs系超格子におけるテラヘルツ放射の印加電圧依存性2018

    • Author(s)
      前田秀平,鵜沼毅也
    • Organizer
      日本物理学会第73回年次大会
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] Inversionless terahertz gain in semiconductor superlattices up to room temperature and above2018

    • Author(s)
      T. Unuma, A. Matsuda, A. Naka, and K. Hirakawa
    • Organizer
      The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] GaAs系超格子におけるブロッホ振動の緩和時間の温度依存性2017

    • Author(s)
      松田亜玲歩,鵜沼毅也
    • Organizer
      平成29年度応用物理学会北陸・信越支部学術講演会
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] GaAs系超格子におけるテラヘルツ複素伝導度スペクトルの温度依存性II2017

    • Author(s)
      中 章圭,平川 一彦,鵜沼 毅也
    • Organizer
      日本物理学会第72回年次大会
    • Place of Presentation
      大阪大学豊中キャンパス(大阪府豊中市)
    • Data Source
      KAKENHI-PROJECT-25707026
  • [Presentation] テラヘルツ放射分光における因果律に基づく時間原点決定法の拡張2017

    • Author(s)
      南海舟,鵜沼毅也
    • Organizer
      平成29年度応用物理学会北陸・信越支部学術講演会
    • Data Source
      KAKENHI-PROJECT-15K13334
  • [Presentation] Room-temperature THz gain of biased semiconductor superlattices revealed by phase-sensitive measurements of Bloch oscillations2017

    • Author(s)
      Takeya Unuma, Akiyoshi Naka, and Kaz Hirakawa
    • Organizer
      The Twelfth Japan-Finland Joint Symposium on Optics in Engineering
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03232
  • [Presentation] GaAs系超格子におけるテラヘルツ複素伝導度スペクトルの温度依存性2016

    • Author(s)
      中 章圭,鵜沼 毅也
    • Organizer
      日本物理学会第71回年次大会
    • Place of Presentation
      東北学院大学泉キャンパス(宮城県仙台市)
    • Year and Date
      2016-03-21
    • Data Source
      KAKENHI-PROJECT-25707026
  • [Presentation] キャリア密度の制御された半導体共役ポリマーにおける動的相関効果2012

    • Author(s)
      鵜沼毅也
    • Organizer
      第7回DYCEシンポジウム
    • Place of Presentation
      東京大学浅野キャンパス(東京都)
    • Year and Date
      2012-12-26
    • Data Source
      KAKENHI-PUBLICLY-23104716
  • [Presentation] テラヘルツ放射分光における因果律に基づいた時間原点の決定2012

    • Author(s)
      鵜沼毅也
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学西宮上ケ原キャンパス(兵庫県)
    • Year and Date
      2012-03-24
    • Data Source
      KAKENHI-PUBLICLY-23104716
  • [Presentation] Determination of the time origin in terahertz emission spectroscopy : basic schemes and application to semiconductors2011

    • Author(s)
      T.Unuma
    • Organizer
      The Ninth Japan-Finland Joint Symposium on Optics in Engineering
    • Place of Presentation
      Turku (Finland)
    • Year and Date
      2011-09-08
    • Data Source
      KAKENHI-PUBLICLY-23104716
  • [Presentation] Determining the Time Origin in Temporal Waveforms of Terahertz Emission from Semiconductors2011

    • Author(s)
      T.Unuma
    • Organizer
      The 1st International Symposium on Terahertz Nanoscience
    • Place of Presentation
      大阪大学中之島センター(大阪府)
    • Year and Date
      2011-11-24
    • Data Source
      KAKENHI-PUBLICLY-23104716
  • [Presentation] 導電性高分子におけるテラヘルツ複素伝導度のキャリア密度依存性2011

    • Author(s)
      鵜沼毅也 , 岸田英夫 , 中村新男, Eun-Young Hong, Suck-Hyun Lee, O-Pil Kwon
    • Organizer
      日本物理学会 2011 年秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-23
    • Data Source
      KAKENHI-PROJECT-22340079
  • [Presentation] 高導電性ポリアニリンのテラヘルツ複素伝導度スペクトル2011

    • Author(s)
      鵜沼毅也, 岸田英夫, 中村新男, E.-Y.Hong, S.-H.Lee, O.-P.Kwon
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      (講演概要集)
    • Year and Date
      2011-03-03
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] 導電性高分子におけるテラヘルツ複素伝導度のキャリア密度依存性2011

    • Author(s)
      鵜沼毅也
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学五福キャンパス(富山県)
    • Year and Date
      2011-09-23
    • Data Source
      KAKENHI-PUBLICLY-23104716
  • [Presentation] 導電性ポリチオフェンのテラヘルツ複素伝導度スペクトルII2010

    • Author(s)
      藤井健司, 鵜沼毅也, 岸田英夫, 中村新男
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学津島キャンパス(岡山県)
    • Year and Date
      2010-03-22
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] 導電性ポリチオフェンのテラヘルツ複素伝導度スペクトルII2010

    • Author(s)
      藤井健司, 鵜沼毅也, 岸田英夫, 中村新男
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-22
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] Complex conductivity spectra of doped polythiophenes in the THz region2010

    • Author(s)
      T. Unuma, K. Fujii, H. Kishida, and A. Nakamura
    • Organizer
      ICSM2010 (International Conference on Science and Technology on Synthetic Metals 2010)
    • Place of Presentation
      京都市
    • Year and Date
      2010-07-06
    • Data Source
      KAKENHI-PROJECT-22340079
  • [Presentation] Complex Conductivity Spectra of Doped Polythiophenes in the THz Region2010

    • Author(s)
      T.Unuma, K.Fujii, H.Kishida, A.Nakamura
    • Organizer
      International Conference on Science and Technology of Synthetic Metals 2010
    • Place of Presentation
      国立京都国際会館(京都府)
    • Year and Date
      2010-07-06
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] Complex conductivity spectra of doped polythiophenes in the THz region2010

    • Author(s)
      Takeya Unuma, Kenji Fujii, Hideo Kishida, Arao Nakamura
    • Organizer
      International Conference on Science and Technology of Synthetic Metals 2010
    • Place of Presentation
      国立京都国際会館
    • Year and Date
      2010-07-06
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] 導電性ポリチオフェンのテラヘルツ複素伝導度スペクトル2009

    • Author(s)
      藤井健司, 鵜沼毅也, 岸田英夫, 中村新男
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス(熊本県)
    • Year and Date
      2009-09-27
    • Data Source
      KAKENHI-PROJECT-20740174
  • [Presentation] 導電性ポリチオフェンのテラヘルツ複素伝導度スペクトル2009

    • Author(s)
      藤井健司, 鵜沼毅也, 岸田英夫, 中村新男
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Year and Date
      2009-09-27
    • Data Source
      KAKENHI-PROJECT-20740174
  • 1.  玉山 泰宏 (50707312)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  KISHIDA Hideo (40311633)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 3.  KOYAMA Takeshi (20509070)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  木村 宗弘 (20242456)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  勝部 大樹 (00831083)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  秋山 英文 (40251491)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  桑田 真
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 8.  平川 一彦
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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