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Affiliation Department etc. |
Department of Life Science and Applied Chemistry
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Title |
Professor |
HAYAKAWA Tomokatsu
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Graduating School
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-1992.03
Saitama University Faculty of Engineering Graduated
Graduate School
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-1997.03
Saitama University Graduate School, Division of Science and Engineering Doctor's Course Completed
Degree
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Saitama University - Master (Engineering)
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Saitama University - Doctor (Arts)
Field of expertise (Grants-in-aid for Scientific Research classification)
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Condensed matter physics I
Papers
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Devitrification behavior of sol-gel derived ZrO2-SiO2 rare-earth doped glasses: correlation between structural and optical properties
M.Isogai, A.Beber, M.R.Cicconi, T.Hayakawa, D.de Ligny,
CeramicsCeramics 1, 274-286 (2018). 1 274 - 286 2018.10 [Refereed]
Research paper (scientific journal) Multiple Authorship
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Novel method to Control Initial Crystallization of Eu3+ Doped ZrO2 Nanophosphors Derived from a Sol-Gel Route Based on HNO3 and their Site-selective Photoluminescence
R.Ikeshita, T.Hayakawa*, M.Isogai, Y.Iwamoto, J.-R. Duclére, F.Rémondière, P.Thomas, A.Lecomte
J.Ceram.Soc.Japan 126 ( 7 ) 551 - 556 2018.07 [Refereed]
Research paper (scientific journal) Multiple Authorship
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Laser emission in Nd3+-doped transparent polycrystalline tellurite ceramics
M.Dolhen, M.Tanaka, V.Couderc, S.Chenu, G.Delaizir, T.Hayakawa, J.Cornette, M.Colas, P.Thomas, J.-R.Duclère
Sci.Rep. 8 4640 2018.05
Research paper (scientific journal) Multiple Authorship
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Third order nonlinear optical properties of a paratellurite single crystal
J.-R.Duclère, T.Hayakawa, E.M.Roginskii, M.B.Smirnov, A.mirgorodsky, V.Couderc, O.Masson, M.Colas, O.Noguera, V.Rodriguez, P.Thomas
J.Appl.Phys. 123, 183105-1~6 (2018) 123 183105 2018.05 [Refereed]
Research paper (scientific journal) Multiple Authorship
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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
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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
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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
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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
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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
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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
Books
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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
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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
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Quantum cutting properties and mechanisms of Tb3+/Yb3+ co-doped ZrO2-SiO2 nano-crystallized glasses available as a wavelength converter
T.Hayakawa, M.Isogai, J.-R.Duclère, P.Thomas [Invited]
12th International Conference on Ceramic materials and Components for Energy and Environmental Application (CMCEE2018) (Singapore.) 2018.07 - 2018.07 American Ceramic Society
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Recent Developments of Tellurite-based Glasses: Synthesis, Optical Bandgap and Third-order Nonlinear Susceptibilities
T.Hayakawa
BIT’s 4th Annual World Congress of Smart Materials-2018 (WCSM-2018) (Osaka, Japan) 2018.03 - 2018.03
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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
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Recent Developments of Novel Tellurite-based Glasses: Structures and Linear/Nonlinear Optical Properties
T.Hayakawa
2nd FRIMS International Symposium on Frontier Materials (Nagoya) 2018.02 - 2018.02 NITech
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Study on synthesis of Au@Ag core-shell nanoparticles, array and optical properties
G.Sawaki, Y.Noda, M.Isogai, T.Hayakawa
2nd FRIMS International Symposium on Frontier Materials (Nagoya) 2018.02 - 2018.02 NITech
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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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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
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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
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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
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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
Other research activities
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Advances in Ceramic Science and Technology 2012
Fieldwork 2012.03 - 2012.11
Academic Awards Received
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Young Scientist Award of 2002 spring meeting in Japanese Society of Applied Physics
2002.03.25
Winner： Tomokatsu Hayakawa