HAYAKAWA Tomokatsu

写真a

Affiliation Department etc.

Department of Life Science and Applied Chemistry
Department of Life Science and Applied Chemistry

Title

Professor

Graduating School

  •  
    -
    1992.03

    Saitama University   Faculty of Engineering   Graduated

Graduate School

  •  
    -
    1997.03

    Saitama University  Graduate School, Division of Science and Engineering  Doctor's Course  Completed

Degree

  • Saitama University -  Master (Engineering)

  • Saitama University -  Doctor (Arts)

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

  • Condensed matter physics I

 

Papers

  • Accumulation and Interparticle Connections of Triangular Ag-Coated Au Nanoprisms by Oil-coating method for SERS Applications

    Y.Noda, T.Hayakawa*, T.Asaka, H.Fudouzi,

    Appl. Surf. Sci. ( Elsevier )    2018.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Temperature dependency of photoluminescence emitted with heat-treatment of nano-boehmite intercalated with monoethanolamine derivatives

    Y.Ohta, T.Hayakawa, T.Inomata, T.Ozawa, H.Masuda

    Chem. Lett.   46 ( 5 ) 722 - 725   2017.05  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Synthesis and glass-structure of transparent zinc–niobate-tellurite glasses with low hydroxyl impurities

    M. Shimoda, M. Uchida, T. Hayakawa*, P. Thomas

    Ceram. Int.   43 ( 3 ) 2962 - 2968   2017.03  [Refereed]

    Research paper (scientific journal)   Single Author

  • A blue photoluminescent nano boehmite prepared by a solvothermal reaction of aluminum hydroxide gel in monoethanolamine at low temperature synthesis

    Y.Ohta, T.Hayakawa, T.Inomata, T.Ozawa, H.Masuda

    Chem. Lett.   46 ( 1 ) 32 - 34   2017.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • A blue photoluminescent nano boehmite prepared by a solvothermal reaction of aluminum hydroxide gel in monoethanolamine at low temperature synthesis

    Y.Ohta, T.Hayakawa, T.Inomata, T.Ozawa, H.Masuda

    Chem. Lett.   46 ( 1 ) 32 - 34   2017.01  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Systematic Control of Edge-lengths, Tip-Sharpness, Thickness and Localized Surface Plasmon Resonance of Triangular Au Nanoprisms

    Y.Noda, T.Hayakawa

    J.Nanoparticles Res.   18   314-1 - 314-23   2016.11  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Dy3+ ions as optical probes for studying structure of boro-tellurite glasses

    V.P.Tuyen, B.Sengthong, V.X.Quang, P.V.Doc, H.V.Tuyen, L.X.Hung, N.T.Thanh, M.Nogami, T.Hayakawa, B.T.Huy

    Journal of Luminescence   178   27 - 33   2016.10  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Scalable and Formable Tellurite-Based Transparent Ceramics for Near Infrared Applications

    Anthony Bertrand, Julie Carreaud, Sébastien Chenu, Mathieu Allix, Emmanuel Véron, Jean-René Duclère, Yann Launay, Tomokatsu Hayakawa, Cécile Genevois, François Brisset, Fabrice Célarié, Philippe Thomas and Gaëlle Delaizir

    Adv. Opt. Mater.   4 ( 10 ) 1482 - 1486   2016.10  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Synthesis and glass-structure of transparent zinc–niobate-tellurite glasses with low hydroxyl impurities

    M. Shimoda, M. Uchida, T. Hayakawa, P. Thomas

    Ceram. Int.   43 ( 3 ) 2962 - 2968   2016.02  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

  • Synthesis and glass-structure of transparent zinc–niobate-tellurite glasses with low hydroxyl impurities

    M. Shimoda, M. Uchida, T. Hayakawa, P. Thomas

    Ceram. Int.   43 ( 3 ) 2962 - 2968   2016.02  [Refereed]

    Research paper (scientific journal)   Multiple Authorship

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Books

  • Electronic 4f-5d structure and persistent spectral hole burning of divalent Sm ions in sol-gel derived Al2O3-SiO2 glasses

    T.Hayakawa, and M.Nogami (Part: Multiple Authorship )

    Photonics Based on Wavelength Integration and Manipulation  2005.03

Review Papers

  • C-axis orientation and optical transmission properties of translucent polycrystalline alumina ceramics

    T.Hayakawa, S.Hayashi, S.Miyazawa, T.Ohashi, K.Watanabe

    Light Sources 2012 ( Light Sources 2012 )    131 - 132   2012.09

    Introduction and explanation (international conference proceedings)   Multiple Authorship

Presentations

  • Sol-Gel-Derived CaTiO3:Pr3+ Thin Films for Wavelength Conversion

    T.Hayakawa, H.Nakamori  [Invited]

    42th International Conference & Exposition on Advanced Ceramics and Composites (ICACC2018)  (Daytona Beach, Florida)  2018.01  -  2018.01  American ceramic society

  • Sol-Gel-synthesis and down-conversion photoluminescence properties of Tb3+/Yb3+ codoped ZrO2-SiO2 nano-crystallized glasses

    M.Isogai, T.Hayakawa, J.R.Duclere, P.Thomas

    42th International Conference & Exposition on Advanced Ceramics and Composites (ICACC2018)  ( Daytona Beach, Florida)  2018.01  -  2018.01  American Ceramic Society

  • Immobilization of Au nanoparticles by templating and self-assembling processes

    Y.Noda, H.Fudouzi, K.Yamamoto, T.Hayakawa

    nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Structures and fluorescence characterization of CaZrO3:Eu3+ phosphors

    Y.Egashira, T.Hayakawa, Y.Iwamoto

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Fabrication of TeO2-Ga2O3 and TeO2-K2O-Ga2O3 glasses and analysis of their optical properties

    K.Ueno,M.Colas, J.-R.Duclere, P.Thomas, T.Hayakawa

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Energy transfer from Tb3+ to Yb3+ in transparent glass ceramics containing ZrO2 nanocrystal

    M.Isogai, T.Hayakawa,J.-R.Duclere, P.Thomas

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Fabrication and characterization of Ba2SiO4:Eu2+ nanophosphors for wavelength conversion

    K.Morishima, T.Hayakawa

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Hydrothermal synthesis of hexagonal-platelette CuGaO2/ZnO composites for photocatalyst

    C.Minuk, T.Hayakawa

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Synthesis and optical properties of TeO2-Ag2O-Bi2O3 glasses

    K.Kato, T.Hayakawa,J.-R.Duclere, P.Thomas

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

  • Preparation of Pr3+, Na+(or K+) co-doped CaTiO3 sol-gel thin films and evaluation of their fluorescence properties

    A.Fukaya, T.Hayakawa

    2nd FRIMS International Symposium on Frontier Materials  (Nagoya)  2018.02  -  2018.02  NITech

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Other research activities

  • Advances in Ceramic Science and Technology 2012

    Fieldwork  2012.03  -  2012.11

Academic Awards Received

  • Young Scientist Award of 2002 spring meeting in Japanese Society of Applied Physics

    2002.03.25    

    Winner: Tomokatsu Hayakawa