HAMANAKA Yasushi

写真a

Affiliation Department etc.

Department of Physical Science and Engineering
Department of Physical Science and Engineering

Title

Associate Professor

Mail Address

E-mail address

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Graduating School

  • 　
    -
    1990.03

    Osaka University   Faculty of Engineering   Department of Applied Physics   Graduated

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Graduate School

  • 　
    -
    1995.03

    Osaka University  Graduate School, Division of Engineering  Department of Applied PhysicsDoctor's Course  Completed

  • 　
    -
    1992.03

    Osaka University  Graduate School, Division of Engineering  Department of Applied PhysicsMaster's Course  Completed

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Degree

  • Osaka University -  Doctor (Engineering)

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External Career

  • 2002.04
    -
    2004.03

      Research Assistant  

  • 1997.04
    -
    2002.03

      Research Assistant  

  • 1996.04
    -
    1997.03

      Research Assistant  

  • 1995.04
    -
    1996.03

      Researcher  

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Academic Society Affiliations

  • 　
    　
    　

    The Japan Society of Applied Physics

  • 　
    　
    　

    Physical Society of Japan

  • 　
    　
    　

    The Society of The Nano Science and technology

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Field of expertise (Grants-in-aid for Scientific Research classification)

  • Applied materials

  • Nanomaterials chemistry

  • Condensed matter physics I

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Research Career

  • Nonlinear optical properties of metal-dielectric nanocomposites

    Individual   Grants and Funding  

    Project Year：  2009.04  -  2010.03

  • Nonlinear optical response of metal-nanocopmposites

    Individual   Grant-in-Aid for Scientific Research  

    Project Year：  2007.04  -  2008.03

  • Structural optimization of third-order nonlinear optical materials with high figure of merit

    Individual   Grants and Funding  

    Project Year：  2006.04  -  2007.09

  • Synthesis and optical properties of ternary compound semiconductor nanoparticles

    Collaboration in Japan   The Other Research Programs  

    Project Year：  2006.04  -  2006.04

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Papers

  • Fabrication of oxidation-resistant Ge colloidal nanoparticles by pulsed laser ablation in aqueous HCl

    Yasushi Hamanaka, Masahiro Iwata, Junichi Katsuno

    Applied Physics A ( Springer )  123   425   2017.05  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Synthesis of highly non-stoichiometric Cu2ZnSnS4 nanoparticles with tunable bandgaps

    Yasushi Hamanaka, Wataru Oyaizu, Masanari Kawase, Toshihiro Kuzuya

    Journal of Nanoparticle Research ( Springer )  19 ( 1 ) 9   2016.12  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Synthesis of Ag/CuInS2 Core-Shell Nanoparticles

    Toshihiro Kuzuya, Takahiko Kuwada, Yasushi Hamanaka, Shinji Hirai

    Materials Transactions   58 ( 1 ) 65 - 70   2016.11  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Plasmonic enhancement of third-order nonlinear optical susceptibilities in self-doped Cu2-xS nanoparticles

    YASUSHI HAMANAKA,TATSUNORI HIROSE,KAORU YAMADA, TOSHIHIRO KUZUYA

    Optical Materials Express ( Optical Society of America )  6 ( 12 ) 3838 - 3848   2016.11  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Structural transformation and photoluminescence modification of AgInS2 nanoparticles induced by ZnS shell formation

    Yasushi Hamanaka, Daichi Yukitoki, Toshihiro Kuzuya

    Applied Physics Express   8   095001-1 - 095001-4   2015.09  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Enhancement of Donor-Acceptor Pair Emissions in Colloidal AgInS2 Quantum Dots with High Concentrations of Defects

    Yasushi Hamanaka, Kohei Ozawa, Toshihiro Kuzuya

    Journal of Physical Chemistry (C)   118 ( 26 ) 14562 - 14568   2014.06  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Solution-phase synthesis and photoluminescence characterization of quaternary Cu2ZnSnS4 nanocrystals

    Y. Hamanaka. M. Tsuzuki, K. Ozawa, T. Kuzuya

    AIP Conerence Proceedings   1566   3 - 4   2013.12  [Refereed]

    Research paper (international conference proceedings)   Multiple Authorship

  • Resonant enhancement of third-order nonlinear optical susceptibilities of Cd-free chalcopyrite nanocrystals within quantum confinement regime

    Yasushi Hamanaka, Tetsuya Ogawa, Masakazu Tsuzuki, Toshihiro Kuzuya, Kenji Sumiyama

    Applied Physics Letters   103 ( 5 ) 053116-1 - 053116-4   2013.08  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Luminescence properties of chalcopyrite AgInS2 nanocrystals: Their origin and related electronic states

    Yasushi Hamanaka, Tetsuya Ogawa, Masakazu Tsuzuki, Kohei Ozawa, Toshihiro Kuzuya

    Journal of Luminescence   133   121 - 124   2013.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Phase Control and Its Mechanism of CuInS2 Nanoparticles

    T. Kuzuya, Y. Hamanaka, K. Itoh, T. Kino, K. Sumiyama, Y. Fukunaka, S. Hirai

    Journal of Colloid and Interface Science     2012.08  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

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Books

  • Low-dimensional systems: theory, preparation, and some applications

    (Part： Multiple Authorship )

    Kluwer Academic Publishers  2003.04 ISBN: 1402011687

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Review Papers

  • Linear and nonlinear optical response in metal nanocrystal-doped glasses

      2 ( 2 ) 17 - 23   1999.03

    Introduction and explanation (international conference proceedings)   Multiple Authorship

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Presentations

  • Liquid Phase Fabrication of SnS Nanoparticles

    Yuki Mizuno, Yasushi Hamanaka

    The 63rd JSAP Spring Meeting, 2016  (Tokyo Ist. Tech., Ookayama Campus)  2016.03  -  2016.03  Japan Society of Appllied Physics

  • Localized Surface Plasmon Resonance in Cu2-xS nanoparticles IV

    Kaoru Yamada, Tatsunori Hirose, Takanori Ueda, Yasushi Hamanaka, Toshihiro Kuzuya

    71th Annual Meeting of the PSJ  (Tohoku Gakuin University (Izumi Campus))  2016.03  -  2016.03  The Physical Society of Japan

  • Sytematic variations in bandgap energy of non-stoichiometric Cu2ZnSnS4 nanoparticles

    W. Oyaizu, Y. Hamanaka, T. Kuzuya

    2015年MRS秋季大会  2015.11  -  2015.12 

  • Photoluminescence Enhancement in AgInS2 Nanocrystals with High Concentrations of Donor-Acceptor Type Defects

    Y. Hamanaka, K. Ozawa, D. Yukitoki, T. Kuzuya

    第17回凝縮系のルミネッセンスと光学分光に関する国際会議  (University of Wroclaw, Poland)  2014.07  -  2014.07 

  • Photoluminescence dynamics of AgInS2 nanoparticles with chalcopyrite structure II

    2012.09  -  2012.09 

  • Photoluminescence properties of Cu2ZnSnS4 naoparticles prepared by colloidal method

    2012.09  -  2012.09 

  • Solution-phase Synthesis and Photoluminescence Characterization of Quaternary Cu2ZnSnS4 Nanocrystals

    Y. Hamanaka, M. Tsuzuki, K. Ozawa, T. Kuzuya

    第３１回半導体物理学国際会議  (Zurich, Switzerland)  2012.07  -  2012.08 

  • Luminescence Properties of Chalcopyrute AgInS2Nanocrystals: Their Origin and Related Electronic States

    Yasushi Hamanaka, Tetsuya Ogawa, Masakazu Tsuzuki, Toshihiro Kuzuya

    第１６回ルミネッセンス国際会議  (University of Michigan)  2011.06  -  2011.07 

  • AgInS2 Chalcopyrite Nanoparticles Prepared by Thermal Decomposition of Metal Complexes

    T. Ogawa, T. Kuzuya, Y. Hamanaka, K. Sumiyama

    The IUMRS International Conference in Asia 2008  2008.12  -  2008.12 

  • Third-order optical nonlinearities of metal nanoparticles in the size range of 1-17 nm

    K. Fukagawa, Y. Hamanaka, Y. Tai, J. Murakami, and A. Nakamura

    The 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter  (Lyon, France)  2008.07  -  2008.07 

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