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Realization of organic semiconductor lasers and their improvement

Research Project

Project/Area Number 18H03883
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 30:Applied physics and engineering and related fields
Research InstitutionTohoku University

Principal Investigator

谷垣 勝己  東北大学, 材料科学高等研究所, 名誉教授 (60305612)

Co-Investigator(Kenkyū-buntansha) 下谷 秀和  東北大学, 理学研究科, 准教授 (60418613)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥43,680,000 (Direct Cost: ¥33,600,000、Indirect Cost: ¥10,080,000)
Fiscal Year 2021: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2020: ¥15,210,000 (Direct Cost: ¥11,700,000、Indirect Cost: ¥3,510,000)
Fiscal Year 2019: ¥15,470,000 (Direct Cost: ¥11,900,000、Indirect Cost: ¥3,570,000)
Fiscal Year 2018: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Keywords有機半導体 / 両極性伝導 / 電界発光素子 / レーザ発振 / ヘテロ電極 / レーザ / 電界効果型トランジスタ / 光増幅共振器 / 電界発光 / 両極性キャリヤ / 電界効果トランジスタ / 発光素子 / 電界駆動モード / 光学駆動モード / 電場駆動 / 光学特性 / 電子材料 / 電子デバイス / 物性基礎論
Outline of Annual Research Achievements

電場駆動型の有機半導体レーザの研究の概念は提案され、実現に向けてさまざまな挑戦が試みられたものの、成功に至らなかった。本研究では、有機半導体レーザ発振を電流駆動で実現する事を目標として研究を遂行した。電場駆動の有機半導体レーザ(el-OSCL)実現のためには、デバイス構造の技術革新が必要であり、電界発光素子(Electroluminescence:EL)がレーザ(Electroluminescence Laser: ELL)として確認されるためには、3つの基本的な実験データを示す必要がある:(1)レーザの閾値---注入された電荷粒子数(N)と発光強度(I)との関係に明確な閾値が存在して、閾値を境として非線形な発光強度が増加現象。(2)急峻な発光スペクトラム精鋭化---閾値を越えると一つの発光波長が選択されて、発光スペクトル幅が急激に狭窄化する現象。(3)共振器増幅---共振器構造で反復増幅されている現象を示す実験的証拠。本研究では、仕事関数の小さいCa/CsF(電子注入電極)と大きいAu(ホール注入電極)のヘテロ電極構造を、高い両極性キャリアの注入/伝達機能と高発光機能を有する光学媒体となる有機半導体(BP3T)に適用する事により、電界駆動レーザー発振の確実な実験的証拠を得た。また、レーザ発振における物理的な基本現象を議論するために、(A)ファブリペロー型共振器構造と(B)分布帰還型(DFB型)共振器構造を比較する実験において、光学励起モードと電流励起モード両方を比較した。結果として、世界で最初の有機半導体における電流励起レーザ発振現象を確認する事に成功した。

Research Progress Status

令和3年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和3年度が最終年度であるため、記入しない。

Report

(4 results)
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report

Research Products

(89 results)

All 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (3 results) Journal Article (18 results) (of which Int'l Joint Research: 13 results,  Peer Reviewed: 16 results,  Open Access: 4 results) Presentation (67 results) (of which Int'l Joint Research: 21 results,  Invited: 12 results) Remarks (1 results)

  • [Int'l Joint Research] Jozef Stefan Institute(スロベニア)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] IISER(インド)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] IISERs(インド)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Large thermopower in topological surface state of Sn-BSTS topological insulators: Thermoelectrics and energy-dependent relaxation times2021

    • Author(s)
      Stephane Yu Matsushita, Kakeru Ichimura, Khuong Kim Huynh, and Katsumi Tanigaki
    • Journal Title

      Physical Review Materials

      Volume: 5 Pages: 1-8

    • DOI

      10.1103/physrevmaterials.5.014205

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electron correlations and charge segregation in layered managanese pnictide antiferromagnets showing anomalously large magnetoresistance2021

    • Author(s)
      N. Jansa, K.-K. Huynh, T. Ogasawara, M. Klanjsek, P. Jeglic, P. Carretta, K. Tanigaki, and D. Arcon
    • Journal Title

      Physical Review B

      Volume: 103 Pages: 1-7

    • DOI

      10.1103/physrevb.103.064422

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Large-proximity-induced anomalous Hall effect in Bi2-xSbxTe3-ySey/Cr2Ge2Te6 heterostructure prepared by film transfer method2021

    • Author(s)
      Kazumasa Nagata, Stephane Yu Matsushita, Xin C. Pan, Kim Khuong Hyunh, Katsumi Tanigaki
    • Journal Title

      Physical Review Materials

      Volume: 5 Pages: 1-7

    • DOI

      10.1103/physrevmaterials.5.024208

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Large negative magnetoresistance in the antiferromagnet BaMn2Bi22021

    • Author(s)
      Ogasawara Takuma、Huynh Kim-Khuong、Tahara Time、Kida Takanori、Hagiwara Masayuki、Ar?on Denis、Kimata Motoi、Matsushita Stephane Yu、Nagata Kazumasa、Tanigaki Katsumi
    • Journal Title

      Phys. Rev. B

      Volume: 103 Pages: 1-10

    • DOI

      10.1103/physrevb.103.125108

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Laser oscillation of an organic distributed-feedback laser at the edge of a mini stopband2021

    • Author(s)
      Taiki Miura, Thangavel Kanagasekaran, Hidekazu Shimotani, and Katsumi Tanigaki
    • Journal Title

      Applied Physics Express

      Volume: 14

    • DOI

      10.35848/1882-0786/abfb88

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Lattice-shifted nematic quantum critical point in FeSe1-xSx2021

    • Author(s)
      S. Chibani, D. Farina, P. Massat, M. Cazayous, A. Sacuto, T. Urata, Y. Tanabe, K. Tanigaki, A. E. Bhmer, P. C. Canfield, M. Merz, S. Karlsson, P. Strobel, P. Toulemonde, I. Paul and Y. Gallais
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 6 Issue: 9 Pages: 094704-094704

    • DOI

      10.7566/jpsj.90.094704

    • ISSN
      0031-9015, 1347-4073
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Separate tuning of nematicity and spin fluctuations to unravel the origin of superconductivity in FeS2020

    • Author(s)
      S.-H. Baek,, J. M. Ok, J. S. Kim, S. Aswartham,I. Morozov, D. Chareev, T. Urata, K. Tanigaki, Y. Tanabe, B. Buchner, D. V. Efremov
    • Journal Title

      NPJ Quantum Materials

      Volume: 5 Pages: 8-8

    • DOI

      10.1038/s41535-020-0211-y

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Site occupancy preference, electrical transport property and thermoelectric performance of Ba8Cu6xGe40+x single crystals grown by using different metal fluxes2020

    • Author(s)
      Jiazhen Wu, Jingtao Xu and Katsumi Tanigaki
    • Journal Title

      Materials Advances

      Volume: 1 Pages: 2953-2963

    • DOI

      10.1039/d0ma00721h

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Negative and positive magnetoresistance in the itinerant antiferromagnet BaMn2Pn2 (Pn = P, As, Sb, and Bi)2019

    • Author(s)
      Huynh Kim-Khuong、Ogasawara Takuma、Kitahara Keita、Tanabe Yoichi、Matsushita Stephane Yu、Tahara Time、Kida Takanori、Hagiwara Masayuki、Arcon Denis、Tanigaki Katsumi
    • Journal Title

      Phys. Rev. B

      Volume: 99 Pages: 195111-1

    • DOI

      10.1103/physrevb.99.195111

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Ultrathin films of three-dimensional topological insulators by vapor-phase epitaxy: Surface dominant transport in a wide temperature range as revealed by measurements of the Seebeck2019

    • Author(s)
      Matsushita Stephane Yu, Huynh Kim-Khuong, Tanigaki Katsumi
    • Journal Title

      Physical Review B

      Volume: 99 Pages: 195302-195302

    • DOI

      10.1103/physrevb.99.195302

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Separation in the Roles of Carrier Transport and Light Emission in Light-Emitting Organic Transistors with a Bilayer Configuration2019

    • Author(s)
      Hui Shang, Hidekazu Shimotani,Thangavel Kanagasekaran, Katsumi Tanigaki
    • Journal Title

      ACS Applied Materials & Interfaces

      Volume: 11 Pages: 20200-20204

    • DOI

      10.1021/acsami.9b02298

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Quantum Hall effect of Dirac surface states of as-grown single crystal flakes in Sn0.02- Bi1.08Sb0.9Te2S without gate control2019

    • Author(s)
      Ichimura Kakeru, Matsushita Stephane Yu, Huynh Kim-Khuong, Tanigaki Katsumi
    • Journal Title

      Applied Physics Letters

      Volume: 115 Pages: 052104-052104

    • DOI

      10.1063/1.5112120

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Increased Curie temperature and enhanced perpendicular magneto anisotropy of Cr2Ge2Te6/NiO heterostructures2019

    • Author(s)
      H. Idzuchi, A. E. Llacsahuanga Allcca, X. C. Pan, K. Tanigaki, and Y. P. Chen
    • Journal Title

      Applied Physics Letters

      Volume: 115 Pages: 232403-232403

    • DOI

      10.1063/1.5130930

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 遍歴反強磁性物質BaMn2Pn2(Pn=As, Sb, Bi)2019

    • Author(s)
      谷垣勝己、Khuong K. Huynh, 松下ステファン悠
    • Journal Title

      東北大学極低温科学センターだより:

      Volume: 5 Pages: 25-28

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Itinerant Antiferromagnet BaMn2Pn2(Pn=As, Sb, and Bi)2019

    • Author(s)
      K-K. Huynh, T. Ogasawara, K. Kitahara, Y. Tanabe, S. Y. Matsushita, T. Tahara, T. Kida, M. Hagiwara, D. Arcon and K. Tanigaki
    • Journal Title

      Selected Topics in 2018 Research Highlight at HFLSM, Institute for Materials Reserch, Tohoku University

      Volume: 4 Pages: 15-18

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Three-dimensional porous graphene networks expand graphene-based electronic device application2018

    • Author(s)
      Y. Ito, Y. Tanabe, K. Sugawara, M. Koshino, T. Takahashi, K. Tanigaki, H. Aoki, M. Chen
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 20 Pages: 6024-6033

    • DOI

      10.1039/c7cp07667c

    • NAID

      120007134239

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Carrier-doped aromatic hydrocarbons: a new platform in condensed matter chemistry and physics2018

    • Author(s)
      satoshi heguri, katsumi tanigaki
    • Journal Title

      Dalton Transaction.

      Volume: 47 Pages: 2881-2895

    • DOI

      10.1039/c7dt03745g

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Manifestation of vibronic dynamics in infrared spectra of Mott insulating fullerides2018

    • Author(s)
      Yuki Matsuda, Naoya Iwahara, Katsumi Tanigaki, Liviu F. Chibotaru
    • Journal Title

      Physical Review B

      Volume: 98

    • DOI

      10.1103/physrevb.98.165410

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Superconductivity observed in the vicinity of Mott insulating states in A3C602022

    • Author(s)
      Katsumi Tanigaki, Yuki Matsuda, Satoshi Heguri
    • Organizer
      APS March Meeting 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Gate-Tunable Anomalous Hall Effect in Van der Waals ferromagnetic insulator-topological insulator heterostructure2022

    • Author(s)
      Andres E Llacsahuanga Allcca, Xing-Cheng Pan, Katsumi Tanigaki, Yong Chen
    • Organizer
      APS March Meeting 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] FET構造を利用した有機半導体ルブレンの熱電物性2022

    • Author(s)
      Qiu Lingwei, 松下ステファン悠, 下谷秀和, 谷垣勝己
    • Organizer
      日本物理学会第77回年次大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] C60超電導体から見たモット絶縁体近傍で観測される超電導2021

    • Author(s)
      谷垣勝己、松田裕貴、平郡 諭
    • Organizer
      日本物理学会2021年秋季大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 熱電物性の磁場依存性から見たトポロジカル絶縁体表面の輸送特性2021

    • Author(s)
      松下ステファン悠, 永田一将, Kim Khuong Huynh, 谷垣勝己
    • Organizer
      日本物理学会2021年秋季大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] A new electrode for both hole and electron ambipolar injection via surface nanostructure control in carbon-based semiconductors2021

    • Author(s)
      Katsumi Tanigaki, Thangavel Kanagasekaran, and Hidekazu Shimotani
    • Organizer
      The 8th Asian Conference on Crystal Growth and Crystal (CGCT-8)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 有機半導体レーザの利得損失と共振状態2021

    • Author(s)
      谷垣勝己, カナガセカラン, サンガベル, 下谷秀和
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] BaMn2Bi2における伝導率の磁場・温度に対するスケール2021

    • Author(s)
      小笠原拓磨, Khuong Kim Huynh, 松下ステファン悠, 谷垣勝己
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 転写法を用いて作成したBi1.5Sb0.5Te1.7Se1.3/Cr2Ge2Te6における磁気抵抗効果の観測2021

    • Author(s)
      永田一将, 松下ステファン悠, Xing Chen Pan, Kim Khuong Huynh, 谷垣勝己
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 有機半導体レーザの利得損失と共振状態2021

    • Author(s)
      谷垣 勝己、Kanagasekaran Thangavel、下谷 秀和
    • Organizer
      第68回応用物理学会春季学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 有機DFBレーザーにおけるミニストップバンド端でのレーザー発振2021

    • Author(s)
      下谷 秀和、三浦 大輝、カナガセカラン サンガベル、谷垣 勝己
    • Organizer
      第68回応用物理学会春季学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Electron-phonon and electron-electron interactions in electron doped aromatic carbon materials viewed from electrical transport2021

    • Author(s)
      Katsumi Tanigaki, Yuki Matsuda, Satoshi Heguri
    • Organizer
      APS March Meeting 2021
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Wrinkle formation and its effect on the magnetic properties of Cr2Ge2Te6/NiO heterostructures2021

    • Author(s)
      Andres Llacsahuanga Allcca, Hiroshi Idzuchi, Xing Chen Pan, Katsumi Tanigaki, Yong Chen
    • Organizer
      APS March Meeting 2021
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 電流駆動有機半導体レーザ:電場励起と光励起2020

    • Author(s)
      谷垣 勝己、カナガセカラン サンガベル、三浦大輝、下谷 秀和
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 転写法によるBi1.5Sb0.5Te1.7Se1.3/Cr2Ge2Te6ヘテロ構造の作製と異常ホール効果の観測2020

    • Author(s)
      永田一将, 松下ステファン悠, Xin Chen Pan, Kim Khuong Huynh, 谷垣勝己
    • Organizer
      日本物理学会 2020年秋季大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] The large magnetoresistance in BaMn2Bi2 antiferromagnets and its possible origins2020

    • Author(s)
      Kim-Khuong Huynh, Takuma Ogasawara, Stephane Yu Matsushita, Motoi Kimata, Time Tahara, Takanori Kida, Masayuki Hagiwara, Katsumi Tanigaki
    • Organizer
      日本物理学会2020年秋季大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 電流駆動有機半導体レーザ:電流励起と光励起2020

    • Author(s)
      谷垣 勝己、三浦大輝、 Thangavel Kanagasekaran、下谷 秀和
    • Organizer
      日本物理学会 2020年秋季大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 電流駆動有機半導体レーザ2020

    • Author(s)
      谷垣 勝己、Kanagasekaran Thangavel、下谷 秀和
    • Organizer
      第69回高分子討論会
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] Three-Dimensional Topological Insulators and Applications2020

    • Author(s)
      K. Tanigaki
    • Organizer
      QPQIS 2020 (International Symposium on Quantum Physics and Quantum Information Sciences)
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 炭素系分子超伝導体の構造と物性2020

    • Author(s)
      谷垣 勝己
    • Organizer
      つくば-柏-本郷 超伝導かけはしプロジェクト ワークショップ
    • Related Report
      2019 Annual Research Report
  • [Presentation] 有機半導体レーザ:レーザ発振とASE2020

    • Author(s)
      谷垣 勝己、三浦 大輝、下谷 秀和
    • Organizer
      第67回応用物理学会春季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 2次元磁性体Cr2Ge2Te6界面の誘起する強磁性転移温度上昇2020

    • Author(s)
      井土 宏、Llacsahuanga Allcca Andres 、Pan Xing-chen、谷垣 勝巳、Chen Yong P
    • Organizer
      第67回応用物理学会春季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 有機半導体レーザ:レーザ発振とASE2020

    • Author(s)
      谷垣勝己, カナガセカラン サンガベル, 三浦大輝, 下谷秀和
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 熱電係数によるSn0.02-Bi1.08Sb0.9Te2S表面状態の散乱機構の解明2020

    • Author(s)
      松下ステファン悠, 市村翔, 永田一将, Kim-Kuong Huynh, 谷垣勝己
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Electron-phonon and electron-electron interactions in electron doped aromatic carbon materials viewed from electrical transport2019

    • Author(s)
      Katsumi Tanigaki
    • Organizer
      Study of matter at Extreme Condition (SMEC2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A new concept of electrode for higly efficient ambipolar carrier injection in organic semiconductors2019

    • Author(s)
      Katsumi Tanigaki
    • Organizer
      2019 MRS Spring Meeting & Exhibit
    • Related Report
      2019 Annual Research Report
  • [Presentation] High Quality Single Crystal Thin Films of Three-Dimensional Topological Insulators and Applications2019

    • Author(s)
      Katsumi Tanigaki
    • Organizer
      AIMR Workshop on Quantum Materials and Spintronics: Spin, Topology and Superconductivity
    • Related Report
      2019 Annual Research Report
  • [Presentation] BaMn2Pn2 (Pn=As, Sb and Bi)における磁場誘起による電荷融解2019

    • Author(s)
      谷垣 勝己
    • Organizer
      J-Physics地域研究会 - 札幌
    • Related Report
      2019 Annual Research Report
  • [Presentation] 高品質3次元トポロジカル絶縁体の合成と応用2019

    • Author(s)
      谷垣 勝己
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 電界駆動有機半導体レーザ:帰還分布型FETにおける光励起と電流励起の比較2019

    • Author(s)
      谷垣勝己, カナガセカラン, サンガベル, 三浦大輝, 下谷秀和
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Sn-Bi1.1Sb0.9Te2Sにおける表面ディラック電子による量子ホール効果とゼーベック係数2019

    • Author(s)
      松下ステファン悠, 市村翔, 永田一将, Kim-Kuong Huynh, 谷垣勝己
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] BaMn2Bi2における面間輸送特性2019

    • Author(s)
      小笠原拓磨, Huynh Kim-Khuong, 松下ステファン悠, 田原大夢, 木田孝則, 萩原政幸, 谷垣勝己
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Negative and postive magnetoresistance in BaMn2Pn2 antiferromagnets2019

    • Author(s)
      K.-Khuong Huynh, T. Ogasawara, Stephane Yu Matsushita, T. Tahara, T. Kida, M. Hagiwara, K. Tanigaki
    • Organizer
      日本物理学会2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 有機半導体レーザ:光励起と電流励起2019

    • Author(s)
      谷垣 勝己、カナガセカラン サンガベル、三浦 大輝、下谷 秀和
    • Organizer
      第80回応用物理学会秋季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 電流駆動有機半導体レーザの実現に向けて2019

    • Author(s)
      谷垣勝己
    • Organizer
      薄膜材料デバイス研究会 第16回研究集会「新時代に向けた薄膜材料のデバイス技術」
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Thermoelectric Materials with Large Anharmonic Phonons2019

    • Author(s)
      Katsumi Tanigaki and Jiazhen Wu
    • Organizer
      2019 MRS Fall Meeting & Exhibit
    • Related Report
      2019 Annual Research Report
  • [Presentation] Single Crystal Thin Films of Three-Dimensional Topological Insulators via Non-catalytic Vapor Phase Epitaxial Crystal Growth and Applications2019

    • Author(s)
      K. Tanigaki, S. Y. Matsushita, Y. Tanabe, K. K. Khuong
    • Organizer
      MRS-J MATERIALS RESEARCHMEETING 2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] Electron-Phonon and Electron-Electron Interactions in Electron Doped Aromatic Carbon Materials viewed from Electrical Transport2019

    • Author(s)
      K. Tanigaki, S. Heguri, Y. Matsuda
    • Organizer
      MRS-J MATERIALS RESEARCHMEETING 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Development of Organic-semiconductor injection laser2019

    • Author(s)
      Hidekazu SHIMOTANI, Kanagasekaran THANGAVEL, Shun ONUKI, Taiki MIURA, Katsumi TANIGAKI
    • Organizer
      MRS-J MATERIALS RESEARCHMEETING 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Giant magnetoresistance in BaMn2Pn2 (Pn = As, Sb, Bi)2019

    • Author(s)
      Khuong Huynh,Takuma Ogasawara, Stephane Yu Matsushita, Taimu Tahara, Takanori Kida, Masayuki Hagiwara, Denis Arcon, Katsumi Tanigaki
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Hall effects in giant magnetoresistance system BaMn2Bi22019

    • Author(s)
      Takuma Ogasawara, Khuong Huynh, Stephane Yu Matsushita, Taimu Tahara, Takanori Kida, Masayuki Hagiwara, Denis Arcon, Katsumi Tanigaki
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A new concept of electrodes for ambipolar carrier injection in organic semiconductors2019

    • Author(s)
      Katsumi Tanigaki, Thangavel Kanagasekaran, Syun Onuki, Taiki Miura, Hidekazu Shimotani
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Comparative studies on fluorescent emission of organic semiconductors between optical and electrical pumping2019

    • Author(s)
      Taiki Miura, Thangavel Kanagasekaran, Hidekazu Shimotani, Syun Onuki, Katsumi Tanigaki
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Seebeck effect in 3D topological insulator thin films2019

    • Author(s)
      Stephane Yu Matsushita, Khuong Huynh, Katsumi Tanigaki
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Manifestation of vibronic dynamics in infrared spectra of Mott insulating fullerides2019

    • Author(s)
      Naoya Iwahara, Yuki Matsuda, Katsumi Tanigaki
    • Organizer
      APS March Meeting 2019, Boston Convention and Exhibition Center (Boston, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 有機半導体レーザ発振における電流励起と光励起の相関2019

    • Author(s)
      谷垣 勝己、カナガセカラン サンガベル、下谷 秀和、小貫 駿、三浦 大輝
    • Organizer
      応用物理学会春季学術講演会、東京工業大学(東京)
    • Related Report
      2018 Annual Research Report
  • [Presentation] FET構造による電流注入型有機半導体DFBレーザー2019

    • Author(s)
      下谷 秀和、カナガセカラン サンガベル、小貫 駿、三浦 大輝、谷垣 勝己
    • Organizer
      応用物理学会春季学術講演会、東京工業大学、(東京)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電流注入型有機半導体DFBレーザー2019

    • Author(s)
      下谷秀和、カナガセカランサンガベル、小貫駿、三浦大輝、谷垣勝己
    • Organizer
      日本物理学会第74回年次大会、九州大学(福岡市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 窒素ドープした3次元ナノ多孔質グラフェンの輸送特性2019

    • Author(s)
      田邉洋一、伊藤良一、谷垣勝己
    • Organizer
      日本物理学会第74回年次大会、九州大学(福岡市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 有機半導体レーザ発振における電流励起と光励起の相関2019

    • Author(s)
      谷垣勝己、サンガベルカナガセカラン、下谷秀和、小貫駿、三浦大輝
    • Organizer
      日本物理学会第74回年次大会、九州大学(福岡市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 3次元トポロジカル絶縁体Sn-BiSbTe2Sの電子輸送特性2019

    • Author(s)
      市村翔、松下ステファン悠、永田一秀、谷垣勝己
    • Organizer
      日本物理学会第74回年次大会、九州大学(福岡市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] Preparation of 3D topological insulator thin films by vapor phase epitaxial growth and its application to thermoelectrics2019

    • Author(s)
      K. Tanigaki
    • Organizer
      The Second International Workshop Emergent Condensed-Matter Physics (ECPM2019), Sakura Art and Calture Hall (Higashi Hiroshima)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Single crystal thin films of three-dimensional topological insulators via non-catalytic vapor phase epitaxial crystal growth2019

    • Author(s)
      Katsumi Tanigaki (Key Note Speaker)
    • Organizer
      Study of Matter at Extreme Conditions (SMEC2019), Conference Center, Celebrity Equinox (Miami, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Electron-phonon and electron-electron interactions in electron doped aromatic carbon materials viewed from electrical transport2019

    • Author(s)
      Katsumi Tanigaki (Invited)
    • Organizer
      Study of Matter at Extreme Conditions (SMEC2019), Conference Center, Celebrity Equinox (Miami, USA)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] A new concept of electrodes for ambipolar carrier injection in organic semiconductors2018

    • Author(s)
      Katsumi Tanigaki, Thangavel Kanagasekaran, Hidekazu Shimotani
    • Organizer
      E‐MRS 2018 Spring Meeting (Strasbourg, France)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Interplay between electron-phonon and electron-electron interactions in electron doped aromatic carbon materials viewed from electrical transport probe2018

    • Author(s)
      K. Tanigaki, S. Heguri, Y. Matsuda
    • Organizer
      12th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S HTSC 2018) ( Beijing, China)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 有機半導体の進展: 現状と将来 (まとめと今後の展望)2018

    • Author(s)
      谷垣勝己
    • Organizer
      日本物理学会2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Bi2-xSbxTe3-ySey薄膜の熱電特性:電界効果を用いたフェルミ準位の制御とその影響2018

    • Author(s)
      松下ステファン悠、Khuong Kim Huynh、田邉洋一、谷垣勝己
    • Organizer
      日本物理学会2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 3次元トポロジカル絶縁体Sn0.02Bi1.08Sb0.9Te2Sの電子輸送特性:電気抵抗、ホール抵抗、磁気抵抗及びゼーベック係数の複合測定2018

    • Author(s)
      市村翔、松下ステファン悠, 谷垣勝己
    • Organizer
      日本物理学2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] BaMn2Bi2におけるホール抵抗の面内磁場依存性2018

    • Author(s)
      小笠原拓磨、Khuong Kim Huynh、谷垣勝己、松下ステファン悠、田原大夢、木田孝則、萩原正幸
    • Organizer
      日本物理学会2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] Giant magnetoresistance in magnetic multipolar BaMn2Pn2 (Pn = As, Sb, Bi)2018

    • Author(s)
      K.-Khuong Huynh, T. Ogasawara, T. Tahara, T. Kida, M. Hagiwara, K. Tanigaki
    • Organizer
      日本物理学会2018年秋季大会, 同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電気輸送および磁気特性からみたモット絶縁体領域のA3C60超電導体の電子状態2018

    • Author(s)
      谷垣勝己、平郡諭、松田祐貴
    • Organizer
      日本物理学会2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電流駆動有機半導体レーザの構造と物性2018

    • Author(s)
      谷垣勝己、下谷秀和、Thangavel Kanagasekara、小貫駿、三浦大輝
    • Organizer
      日本物理学会2018年秋季大会、同志社大学(京田辺市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電気輸送特性からみたA3C60のモット境界における電子状態2018

    • Author(s)
      谷垣 勝己、松田 祐貴、平郡 諭
    • Organizer
      第55回フラーレン・ナノチューブ・グラフェン総合シンポジウム、東北大学(仙台市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電場駆動有機半導体レーザの特性2018

    • Author(s)
      谷垣 勝己、カナガセカラン サンガベル、小貫 駿、三浦 大輝、下谷 秀和
    • Organizer
      第79回応用物理学会秋季学術講演会、名古屋国際会議場(名古屋市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] 電流励起と光励起有機半導体レーザーの比較2018

    • Author(s)
      下谷 秀和、カナガセカラン サンガベル、小貫 駿、三浦 大輝、谷垣 勝己
    • Organizer
      第79回応用物理学会秋季学術講演会、名古屋国際会議場(名古屋市)
    • Related Report
      2018 Annual Research Report
  • [Presentation] Itinerant antiferromagnetic BaMn2Pn2 showing both negative and positive large magnetoresistance,2018

    • Author(s)
      Katsumi Tanigaki, Khuong Kim Huynh, Takuma Ogasawara, Keita Kitahara, Stephane Yu Matsushita, Taimu Tahara, Takanori Kida, Masayuki Hagiwara, Denis Arcon
    • Organizer
      J-physics International Workshop University of Otago (Danieden, New Zealand)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Remarks] ナノ固体物理研究室、東北大学

    • URL

      http://sspns.phys.tohoku.ac.jp/

    • Related Report
      2018 Annual Research Report

URL: 

Published: 2018-04-23   Modified: 2022-12-28  

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