Research field (3)：
Electronic devices and equipment
, Magnetism, superconductivity, and strongly correlated systems
, Semiconductors, optical and atomic physics
Research theme for competitive and other funds (17)：
2017 - 2021 Clarification of the operating states of pi-electronic devices using spectroscopic methods
2016 - 2019 Novel terahertz responses in organic materials having periodic structure
2016 - 2019 Multifunctional Molecular Assemblies based on Orbitally Degenerate Polycyclic Aromatic Hydrocarbon Molecules
2016 - 2018 分子集合体における特異な電子状態を利用した非線形動作の探索とその制御
2014 - 2017 Application of photo-receptor bio- nano materials
2014 - 2016 分子間相互作用による電子の秩序とその外場制御状態の光学的観察
2011 - 2016 Development of Electronic Multifunction Based on Organic Triangular Spin Lattice
2010 - 2012 Nonlinear optical responses and relaxation processes of photo-carriers in open-shell π-electronic systems
2009 - 2012 Fabrication of Single-Crystal-Domain Organic Semiconductor Devicesand Their Application to Terahertz-Wave Imaging
2009 - 2011 A study of novel optical responses and enhancement of optical nonlinearities in carbon nanotubes by ultrafast laser spectroscopy
2005 - 2009 Control of Super-Hierarchical Helical Structures of Next-Generation Conjugated Polymers and Their Innovative Functions
2007 - 2008 Large enhancement of nonlinear optical response in nanometersized composite systems
2006 - 2008 Elucidation of the electronic states of low-dimensional nonlinear optical materials operating in the infrared region
2005 - 2008 Nonlinear optical responses and ultrafast switching phenomena in conjugated polymers
2004 - 2005 電荷移動錯体における電場変調分光法による強誘電ドメイン観察
2001 - 2002 低次元強相関電子系における非線形光学効果
1999 - 2000 ハロゲン架橋金属錯体の非線形光学スペクトルと励起準位構造
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Papers (218)：
Takeshi Koyama, Akira Fujisaki, Hiromu Odamura, Yuto Nakamura, Hideo Kishida. Femtosecond depolarization of photoluminescence from InAs: Comparison with Cu and monolayer graphene. Physical Review B. 2023. 108. 23
Daiki Inukai, Takeshi Koyama, Masaaki Araidai, Kenji Kawahara, Hiroki Ago, Hideo Kishida. Fermi energy dependence of ultrafast photoluminescence from graphene. Journal of Applied Physics. 2022. 132. 13. 134301-134301
Tomoki Tatsuno, Takeshi Koyama, Hideo Kishida. Photoexcited state of the organic electron acceptor TCNQ molecular anion in the condensed state. Physical Review B. 2022. 106. 11
T. Amano, Y. Kawakami, H. Itoh, K. Konno, Y. Hasegawa, T. Aoyama, Y. Imai, K. Ohgushi, Y. Takeuchi, Y. Wakabayashi, et al. Light-induced magnetization driven by interorbital charge motion in the spin-orbit assisted Mott insulator α-RuCl3. Physical Review Research. 2022. 4. 3
Chapter: Third-order nonlinear optical properties of π-conjugated polymers constituted of thiophene units and molecular assembly of the polymers; Title of book : Handbook of organic materials for optical and (opto)electronic devices: Properties and applications
Woodhead Publishing Limited 2013
Chapter: Third-order nonlinear optical properties of π-conjugated polymers constituted of thiophene units and molecular assembly of the polymers; Title of book : Handbook of organic materials for optical and (opto)electronic devices: Properties and app・・・
Woodhead Publishing Limited 2013 ISBN:9780857092656
Chapter: Third-order nonlinear optical properties of π-conjugated polymers constituted of thiophene units and molecular assembly of the polymers; Title of book : Handbook of organic materials for optical and (opto)electronic devices: Properties and app・・・
Woodhead Publishing Limited 2013 ISBN:9780857092656
"Third-Order Optical Nonlinearity of Halogen-Bridged Nickel(III) Compounds" in "Material Designs and New Physical Properties in MX- and MMX-Chain Compounds"
Springer 2012
"Nonlinear Electrical Conductivity, Current Oscillation and Its Control in Halogen-Bridged Nickel(III) Compounds", in "Material Designs and New Physical Properties in MX- and MMX-Chain Compounds"
Springer 2012
Optical Study of PEDOT:PSS Doped with an Ionic Liquid
(2019 MRS Fall Meeting 2019)
Optical study of electrically controlled π-electronic systems
(India-Japan Workshop on Biomolecular Electronics and Organic Nanotechnology for Environment Preservation 2018)
Charge Disproportionation and its External Field Effects in <i>α</i>'-Type BEDT-TTF Dimer-Mott Insulators
(12th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2017) 2017)
共役系高分子の陰イオンドープ状態の光学的研究
(第26回日本MRS年次大会 2016)
Optical anisotropy of polaron states in polyfluorene derivatives
(KJF International Conference on Organic Materials for Electronics and Photonics 2016 (KJF-ICOMEP 2016) 2016)
Education (2)：
1993 - 1996 The University of Tokyo Graduate School, Division of Science Department of Physics
1991 - 1993 The University of Tokyo Graduate School, Division of Engineering Department of Applied Physics
Professional career (1)：
博士(理学) (東京大学)
Work history (4)：
2017/04/01 - 現在 Nagoya University Graduate School of Engineering Applied Physics 1 Professor
2012/04 - 2017/03 Nagoya University
2007/04/01 - 2012/03/31 Nagoya University Graduate School of Engineering Department of Materials,Physics and Energy Engineering Associate professor
2007/03/31 - Nagoya University Graduate School of Engineering Department of Materials,Physics and Energy Engineering Assistant Professor
