研究業績

123 T.Otsuka, R.Oka, M.R.Cicconi, Dominique de Ligny, T.Hayakawa*,
“Tuning the luminescence color of Eu3+- and alkali-ion-codoped Sr2CaWO6 orange-red phosphors: Eu3+ site distribution and site-selective photoluminescence studies.”,
APL Mater., In Press, (2024).

122 T.Otsuka, R.Oka, T.Hayakawa*,
“Eu3+ site distribution and local distortion of photoluminescent Ca3WO6:(Eu3+, K+) double perovskites as high-color-purity red phosphors.”,
Adv.Sci. 2023, 2302559/1-17 (2023).
121 R. Oka*, T.Hayakawa,
“Synthesis of calcium manganese oxide films using a sol?gel method and evaluation of color and photocatalytic properties.”,
Phys.Status Solidi RRL 2023, 2300233/1-6 (2023).
120 R. Oka*, T.Hayakawa,
“LocalStructural InvestigationofNear-Infrared-Reflective Black Ca2(Mn,Ti)O4 pigments using synchrotron radiation X?ray and density functional theory calculations.”,
Inorg. Chem. 62, 14647-14658 (2023).
119 T.Otsuka, R.Oka, M.Karasuyama, T.Hayakawa*,
“Photoluminescence color prediction for Eu3+-doped perovskite red phosphors using machine learning.”,
Phys.Status Solidi RRL 2023, 2300237/1-6 (2023).
118 H.Hashimoto, R.Oka, T.Hayakawa*, C.Brabec,
“Bandgap and photoluminescence tuanbility of lead-free Cs3Bi2(Br,I)9 solid solution compounds.”,
Phys.Status Solidi RRL 2023, 2300241/1-6 (2023).
117 R.Toyoda, K.Usui, T.Hirota, K.Kimura*, Y.Onodera, M.R.Cicconi, R.Belli, M.Brehl, J.Lubauer, U.Lohbauer, H.Tajiri, K.Ikeda, T.Hayakawa, D.de Ligny, S.Kohara, K.Hayashi,
“Atomic structure of ZrO2-doped Li2O?SiO2-based multi-component glasses revealed by molecular dynamics?reverse Monte Carlo modeling.”,
J. Non-Cryst. Solids 616, 122472 (2023).
116 M R. Cicconi, D.K.Dobesh, B.Schroeder, T.Otsuka, T.Hayakawa, D.de Ligny
“Alkali-Niobate aluminosilicate glasses: Structure and properties.”,
Opt.Mater.X 18, 100228 (2023).
115 Y.Gao, R.Iwasaki, D.Hamana, J.Iihama, S.Honda, M.Kumari, T.Hayakawa, S.Bernard, P.Thomas, Y.Iwamoto*
“Polymer-derived β-SiAlON:Eu2+ phosphors.”,
Int J Appl Ceram Technol. 26, 768-779 (2023).
114 Y.Gao, R.Iwasaki, J.Iihama, D.Hamana, R.Iwasaki, S.Honda, T.Asaka, M.Kumari, T.Hayakawa, S.Bernard, P.Thomas, Y.Iwamoto*
“Green emitting -SiAlON:Eu2+ phosphors derived from chemically modified perhydropolysilazanes.”,
Int J Appl Ceram Technol. 20, 153-165 (2023).

113 M.Choi, C.Brabec, T.Hayakawa,
“X-ray diffraction, micro-Raman and X-ray photoemission spectroscopic investigations for hydrothermally obtained hybrid compounds of delafossite CuGaO2 and wurtzite ZnO.”,
Ceramics 5(4), 655-672 (2022).
112 Y.Gao, D.Hamana, R.Iwasaki, J.Iihama, S.Honda, M.Kumari, T.Hayakawa, S.Bernard, P.Thomas, Y.Iwamoto*
“Chemical route for synthesis of β-SiAlON:Eu2+ phosphors combining polymer-derived ceramics route with non-hydrolytic sol-gel chemistry.”,
J.Sol-Gel Sci. Technol. , online avaible (2022). https://doi.org/10.1007/s10971-022-05879-w
111 R. Oka*, T.Hayakawa,
“Raman spectroscopic investigation and electronic states calculation for Ca2(Mn,Ti)O4 black pigments with high near-infrared (NIR) reflectivity.”,
Inorg. Chem. 61, 6500-6507 (2022).
110 J.de Clermont-Gallerande*, D.Taniguchi, M.Colas, P.Thomas, T.Hayakawa,
“High temperature investigation of TeO2-Na2O-ZnO glasses.”,
Phys.Status Solidi (b) 2200065, 2200065/1-7 (2022).
109 T.Otsuka*, M.R.Cicconi, D.Dobesh, B.Schroeder, T.Hayakawa,
“93Nb NMR study of (K, Na)NbO3-doped SiO2-Na2O-Al2O3 glasses.”,
Phys.Status Solidi (b) 2200016, 2200016/1-6 (2022).
108 T.Hayakawa*, R.Ikeshita, J.-R.Duclere, A.Leconte,,
“Simple method to estimate fractional numbers of Eu3+ ions in different phases in highly luminescent ZrO2-SiO2 nanocomposites.”,
Phys.Status Solidi (b) 2100560, 2100560/1-9 (2022).
107 R.Oka*, D.Nishi, T.Hayakawa*,
“Novel findings on optical properties of Mn4+-doped (Rb,K)2Ge4O9 phosphors.”,
Phys.Status Solidi (b) 2100615, 2100615/1-8.
106 M.R.Cicconi*, R.Belli, M.Brehl, J.Lubauer, T.Hayakawa*, K.Kimura, T.Hirota, K.Usui, S.Kohara, Y.Onodera, U.Lohbauer, K.Hayashi, D.de Ligny,
“Nucleation mechanisms in a SiO2-Li2O-P2O5-ZrO2 biomedical glass-ceramic: Insights on crystallisation, residual glasses and Zr4+ structural environment.”,
J.Eur.Ceram.Soc. 42, 1762-1775 (2022). 14 (4) (2021) 952/1-14.

105 J.de Clermont-Gallerande, D.Taniguchi, M.Colas, P.Thomas, T.Hayakawa*,
“Influence of Nd3+ modifying on 80TeO2-xZnO-(20-x)Na2O ternary glass system”,
APL Mater. 9 (2021) 111111/1-17. https://doi.org/10.1063/5.0061880
104 T.Otsuka, M.Brehl, M.R.Ciconni, D.de Ligny, T.Hayakawa*,
“Thermal evolution to glass-ceramics bearing calcium tungstate crystals in borate glasses doped with photoluminescent Eu3+ ions”,
Materials 14 (4) (2021) 952/1-14.
103 J.de Clermont-Gallerande, S.Saito, M.Colas, P.Thomas, T.Hayakawa*,
“New understanding of TeO2-ZnO-Na2O ternary glass system” ,
J.Alloys Compds. 854 (2021) 157072/1-9.

102 J.de Clermont-Gallerande, S.Saito, T.Hayakawa*, M.Colas, J.-R.Duclere, P.Thomas,
“Optical properties of Nd3+-doped TeO2-TiO2-ZnO glasses with lower hydroxyl content” ,
J.Non-Cryst.Solids 528 (1) (2020) 119678/1-10.
101 J.de Clermont-Gallerande, M.Dutreilh -Colas*, R.Celarie, M.Berger, D.deLigny, T.Hayakawa, P.Thomas,
“Correlation between mechanical and structural properties as a function of temperature within the TeO2-TiO2-ZnO ternary system” ,
J.Non-Cryst.Solids 528 (1) (2020) 119716/1-10.

100 M.U.Choi,T.Hayakawa*,
“Hydrothermal synthesisi and photocatalytic properties of CuGaO2/ZnO hexagonal platelet hybrids, ”
Mater. Res. Bull. 113 (5) (2019) 84-89.
99 M.Isogai, T.Hayakawa*, J.-R.Duclere, P.Thomas,
“Quantum cutting properties of Tb3+/Yb3+ co-doped ZrO2-SiO2 nano-crystalized glasses synthesized via a sol-gel route, ”
J. Alloys Compds. 781 (4) (2019) 315-320.

98 M.Isogai, A.Veber*, M.R.Cicconi, T.Hayakawa, D.de Ligny,
“Devitrification behavior of sol-gel derived ZrO2-SiO2 rare-earth doped glasses: correlation between structural and optical properties, ”
Ceramics. 1, 274-286 (2018).
97 J.-R.Duclere, T. Hayakawa, E.M.Roginskii, M.B.Smirnov, A.mirgorodsky, V.Couderc, O.Masson, M.Colas, O.Noguera, V.Rodriguez, P.Thomas,
“Third order nonlinear optical properties of a paratellurite single crystal, ”
J.Appl.Phys. 123, 183105-1~6 (2018).
96 R.Ikeshita, T. Hayakawa*, M.Isogai, Y.Iwamoto, J.-R. Duclere, F.Remondiere, P.Thomas, A.Lecomte,
“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, ”
J.Ceram.Soc.Japan 126 (7), 551-556 (2018).
95 M.Dolhen, M.Tanaka, V.Couderc, S.Chenu, G.Delaizir, T. Hayakawa, J.Cornette, M.Colas, P.Thomas, J.-R.Duclere*,
“Laser emission in Nd3+-doped transparent polycrystalline tellurite ceramics, ”
Sci.Rep. 8 (2018) 4640 (2018).
94 Y.Noda, T.Asaka, H.Fudouzi, T. Hayakawa*,
“Accumulation and Interparticle Connections of Triangular Ag-Coated Au Nanoprisms by Oil-coating method for SERS Applications, ”
Appl. Surf. Sci. 435, 687-698 (2018).

93 Y.Ohta, T. Hayakawa, T.Inomata, T.Ozawa, H.Masuda*,
“Temperature dependency of photoluminescence emitted with heat-treatment of nano-boehmite intercalated with monoethanolamine derivatives, ”
Chem. Lett. 46 (5), 722-725 (2017).
92 Y.Ohta, T. Hayakawa, T.Inomata, T.Ozawa, H.Masuda*,
“A blue photoluminescent nano boehmite prepared by a solvothermal reaction of aluminum hydroxide gel in monoethanolamine at low temperature synthesis, ”
Chem. Lett. 46 (1), 32-34 (2017).
91 M. Shimoda, M. Uchida, T. Hayakawa*, P. Thomas,
“Synthesis and glass-structure of transparent zinc?niobate-tellurite glasses with low hydroxyl impurities, ”
Ceram. Int. 43 (3), 2962-2968 (2017).

90 A.Bertrand, J.Carreaud, S.Chenu, M.Allix, E.Veron, J-R.Duclere, Y.Launay, T.Hayakawa, C.Genevois, F.Brisset, F.Celarie, P.Thomas, G.Delaizir*,
“Scalable and formable tellurite-based transparent ceramics for near infrared applications, ”
Adv. Opt. Mater. 4 (10), 1482-1486 (2016).
89 K.Kato, T.Hayakawa*, Y.Kasuya, P.Thomas,
“Influence of Al2O3 incorporation on the third-order nonlinear optical properties of Ag2O-TeO2 glasses”
J.Non-Cryst. Solids 431 (1), 97-106 (2016).
88 Y.Noda, T.Hayakawa*
“Immobilization of Ag-deposited Au nanoprisms by thiol-coupling and oil-coating methods”
Jpn. J. Appl. Phys. 55, 01AE11:1-5 (2016).
87 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
“Dy3+ ions as optical probes for studying structure of boro-tellurite glasses”
J. Lumin. 178, 27-33 (2016).
86 Y.Noda, T.Hayakawa*
“Systematic Control of Edge-lengths, Tip-Sharpness, Thickness and Localized Surface Plasmon Resonance of Triangular Au Nanoprisms”
J.Nanoparticles Res. 18, 314:1-12 (2016).

85 X.T.Zhang*, T.Hayakawa,Y.Ishikawa, N.Jishou, M.Nogami,
“Structural investigation and Eu3+ Luminescence Properties of LaF3:Eu3+ Nanophosphors”,
J. Alloys Compds. 664, 77-81 (2015).
84 N. Ghribi, M.Colas*, J.-R.Duclere, T.Hayakawa, J.Carreaud, R.Karray, A.Kabadou, P.Thomas,
“Thermal, optical and structural properties of glasses within the TeO2-TiO2-ZnO system”,
J. Alloys Compds. 622, 333-340 (2015).
83 A. Bertrand, J. Carreaud, G. Delaizir*, M. Shimoda, J. R. Duclere, M. Colas, M. Belleil, J. Cornette, T.Hayakawa, C. Genevois, E. Veron, M. Allix, F. Brisset, P. Thomas,
“New transparent glass-ceramics based on the crystallization of 'anti-glass' spherulites in the Bi2O3-Nb2O5-TeO2 system”,
Cryst. Growth Des. 15 (10) 5086-5096 (2015).
82 J. Carreaud, A. Labruyere, H. Dardar, F. Moisy, J.-R. Duclere*, V. Couderc, A. Bertrand1, M. Dutreilh-Colas, G. Delaizir, T.Hayakawa, A. Crunteanu, P. Thomas,
“Lasing effects in new Nd3+-doped TeO2-Nb2O5-WO3 bulk glasses”,
Opt.Mater. 47, 99-107 (2015).
81 M.Uchida, T.Hayakawa*, T.Suhara, J.R.Duclere, P.Thomas,
“Tm3+ concentration dependence on blue up-conversion photoluminescence for Tm3+/Yb3+ co-doped TeO2-TlO0.5-ZnO glasses”,
Int. J. Appl. Glass Sci. 6 (1), 83-93 (2015).
80 Y. Kang, B. Thuy,Y. Shimokawa, T.Hayakawa, S. Sakaida, L. Miao, S. Tanemura, S. Honda, Y. Iwamoto*,
“Relationship between Eu3+ substitution sites and photoluminescence properties of SrIn2O4:Eu3+ spinel phosphors”,
J.Lumin. 169, 78-85 (2016).

79 M.Uchida, T.Hayakawa*, T.Suhara, J.R.Duclere, P.Thomas,
“Raman investigation and glass-compositional dependence on blue up-conversion photoluminescence for Tm3+/Yb3+ co-doped TeO2-TlO0.5-ZnO glasses”
Opt.Mater.Express 4 (4), 823-835 (2014).
78 Y.Kasuya, T.Suhara, T.Hayakawa*, P.Thomas, M.Nogami,
“Glass structure and linear/nonlinear optical properties of Ag2O-doped TeO2 glasses”
Key Engin. Mater. 617, 141-144 (2014).

77 Y.Ishikawa, T.Hayakawa*, K.Inoue, M.Nogami,
“Cathodoluminescence properties of Pr3+-doped perovskite type transparent red luminescent thin films processed by a sol-gel method”
J.Sol.Gel.Sci.Technol. 65, 324-328 (2013).
76 G. Kawamura*, R. Yoshimura, K. Ota, S.-Y. Oh, N.Hakiri, H.Muto, T.Hayakawa, A. Matsuda,
“A unique approach to characterization of sol-gel-derived rare-earth-doped oxyfluoride glass-ceramics”
J.Amer.Ceram.Soc. 96 (2), 476-480 (2013).
75 D. Linda, J-R. Duclere*, T.Hayakawa, M.Dutreilh-Colas, T.Cardinal, A.Mirgorodski, A.Kabadou, P.Thomas,
“Optical properties of tellurite glasses elaborated within the TeO2-Tl2O-Ag2O and TeO2-ZnO-Ag2O ternary systems”
J.Alloys Compds. 561 (5), 151-160 (2013).

74 T.Hayakawa*, H.Koyama, M.Nogami, P.Thomas,
“Optical properties of TeO2-TiO2 thin films doped with Eu3+ ions fabricated by sol-gel processing”
J.Univ.Chem.Tech.Met. 47 (4), 381-386 (2012).
73 T.Suhara, T.Hayakawa*, H.Koyama, M.Nogami, P.Thomas,
“Third-order nonlinear optical properties and low-frequency Raman scattering of MO-Nb2O5-TeO2 glasses”
J.Univ.Chem.Tech.Met. 47 (4), 369-373 (2012).
72 T.Hayakawa*, S. Hayashi, .S. Miyazawa, T. Ohashi, K. Watanabe,
“Polarized Raman mapping method for estimation of refractive index differences on grain-boundaries and in-line transmission properties of polycrystalline alumina”
Opt. Mater. Exp. 2 (7), 914-919 (2012).
71 M.Aoyama, T.Hayakawa, S.Honda, Y.Iwamoto*,
“Development of zeolite-derived novel aluminosilicate phosphors”
J.Lumin. 132, 2603-2607 (2012).
70 N.T.Thanh, V.X.Quang*, V.P.Tuyen, N.V.Tam, T.Hayakawa, B.T.Huy,
“Role of charge transfer state and host matrix in Eu3+-doped alkali-earth alkali fluoro-aluminoborate glasses”
Opt.Mater. 34, 1477-1481 (2012).

69 Y.Tsutsui, T.Hayakawa*, G.Kawamura, M.Nogami,
“Tuned longitudinal surface plasmon resonance and third-order nonlinear optical properties of gold nanorods”
Nanotechnology 22, 275302/1-7 (2011).
68 M.Hayakawa, T.Hayakawa*, X.T.Zhang, and M.Nogami,
“Optical detection of near infrared femtosecond laser-heating of Er3+-doped ZnO-Nb2O5-TeO2 glass by green up-conversion fluorescence of Er3+ ions”
J. Lumin. 131, 843-849 (2011).
67 X.T.Zhang*, T.Hayakawa, M.Nogami, Y.Ishikawa,
“Structural and luminescence properties of polytype GdF3:Eu3+ nanophosphors”,
J. Alloys Compd. 509, 2076-2080 (2011).
66 T.Hayakawa*, A.Sawa, M.Nogami, S.Niiyama, S.Tanaka,
“White Light Emission of Organo-Modified Al2O3-SiO2 Sol-Gel Glasses”
J. Ceram. Proc. Res. 12, s44-s46 (2011).
65 X.T.Zhang, T.Hayakawa*, M.Nogami, Y.Ishikawa,
“Synthesis and luminescence properties of well-dispersed LaF3:Eu3+ nanocrystals”
J. Ceram. Proc. Res. 12, s39-s43 (2011).
64 K.Guilherme, T.Hayakawa*, and M.Nogami,
“Copper reduction and hydroxyl formation by hydrogen process in alumino-silicate glasse”
J. Phys. Chem. Solids, 72, 151-157 (2011).
63 T.Fujiwara, T.Hayakawa*, M.Nogami, J.R.Duclere, and P.Thomas,
“Structures and third-order optical nonlinearities of BiO1.5-WO3-TeO2 glasses”
J. Am. Ceram. Soc. 95,1434-1439 (2011).

62 T.Hayakawa*, M.Koduka, M.Nogami, J.R.Duclere, A.P.Mirgorodsky, and P.Thomas,
“Metal oxide doping effects on Raman spectra and third-order nonlinear susceptibilities of thallium-tellurite glasses”
Scr. Mater. 62, 806-809 (2010).
61 T.Hayakawa*, M.Hayakawa, M.Nogami, and P.Thomas,
“Nonlinear optical properties and glass structure for MO-Nb2O5-TeO2 (M = Zn, Mg, Ca, Sr, Ba) glasses”
Opt. Mater. 32, 448-455 (2010).
60 X.T.Zhang, T.Hayakawa*, M.Nogami, and Y.Ishikawa,
“Selective synthesis and luminescence properties of nanocrystalline GdF3:Eu3+ with hexagonal and orthorhombic structures”
J. Nanomaterials,2010, Article ID 651326 (2010).
59 V.P.Tuyen, T.Hayakawa*, M.Nogami, J.R.Duclere, and P.Thomas,
“Fluorescence line narrowing spectroscopy of Eu3+ in zinc-thallium-tellurite glass”
J. Solid State Chem, 183, 2714-2719 (2010).
58 M.Soulis, J.-R.Duclere*, T.Hayakawa, V.Couderc, M.Dutreilh-Colas, and P.Thomas,
“Second harmonic generation induced by optical poling in new TeO2-Tl2O-ZnO glasses”
Mater. Res. Bull. 45, 551-559 (2010).
57 N.V.Long*, N.D.Chien, T.Hayakawa, H.Hirata, G. Lakshminarayana, and M. Nogami,
“The synthesis and characterization of platinum nanoparticles: a method of controlling the size and morphology”
Nanotechnology 21, 035605 (2010).
56 M.Nogami*, H.Shiiba, G.A.Kleine, M.Nakayama, and T.Hayakawa,
“Hydrogen gas permeation through Al2O3-SiO2 glasses containing metal ions”
J.Am.Ceram.Soc. 93, 3752-3756 (2010).

55 Y.Kishimoto, X.T.Zhang, T.Hayakawa and M.Nogami*,
“Blue light emission from Eu2+ ions in sol-gel-derived Al2O3-SiO2 glasses”
J. Lumin. 129129, 1055-1059 (2009).
54 X.T.Zhang, T.Hayakawa* and M.Nogami,
“Photoluminescence properties of LaF3:Eu3+ nanocrystals prepared by using surfactant assist”
Int. J. Appl. Ceram. Technol., (2009) doi:10.1111/j.1744-7402.2009.02433.x.
53 X.T.Zhang, T.Hayakawa*, and M.Nogami,
“Size-dependence of LaF3:Eu3+ nanocrystals on Eu3+ photoluminescence intensity”
Mater. Sci. Engin. 1, 012021-1-7 (2009).
52 M.Udovic, P.Thomas*, A.Mirgorodsky, O.Masson, T.Merie-Mejean, C.Lasbrugnas, J.C.Champarnaud-Mesjard and T.Hayakawa
“Formation domain, characterization of new glass within the Tl2O-TiO2-TeO2 system”
Mater. Res. Bull. 44, 248-253 (2009).

51 T.Hayakawa*, M.Hayakawa and M.Nogami,
“Estimation of the fs laser spot temperature inside TeO2-ZnO-Nb2O5 glass by using up-conversion green fluorescence of Er3+ ions”
J. Alloys and Comp. 451,77-80 (2008).
50  K.Tsuchiya, S.Nagayasu, S.Okamoto, T.Hayakawa, T.Hihara, K.Yamamoto, I.Takumi, S.Hara, H.Hasegawa, S.Akasaka and N.Kosikawa,
“Nonlinear optical properties of gold nanoparticles selectively introduced into the periodic microdomains of block copolymers”
Opt. Exp. 16, 5362-5371 (2008).
49 S.Matsubara, T.Hayakawa*, K.Tsuchiya, Y.Yang, M.Nogami, S.Okamoto and N.Koshikawa
“Fabrication of twin-linked gold nanoparticles and their linear/nonlinear optical properties”
J. Phys. Chem. C 112, 13917-13921 (2008).
48  T.Hayakawa*, M.Hayakawa and M.Nogami,
“Excitation-emission properties of Er3+ ions doped in nonlinear optical TeO2-ZnO-Nb2O5 glass by 800 nm femtosecond laser excitation”
J. Ceram. Soc. Japan 116, 1092-1095 (2008).

47 T.Hayakawa*, M.Hori, C.Pagnoux, J.F.Baumard, and M.Nogami,
“Enhanced photocatalytic activities of core-shell Au-titanate nanoparticles”
Chem. Lett. 36, 128~129 (2007).
46 Y. Sugihara, T.Hayakawa, and M. Nogami,
“Magnetic properties of EuO-Al2O3-SiO2 glasses with high Eu2+ concentration”
 J. Ceram. Soc. Japan 115, 602-604 (2007).
45 M.Nogami*, T.Hagiwara, G.Kawamura, El-Sayed Ghaith and T.Hayakawa,
“Redox equilibirium of samarium ions doped in Al2O3-SiO2 glasses”
J. Lumin. 124, 291-296 (2007).
44 V.Gue, H.You, T.Hayakawa, and M.Nogami*,
“Eu3+-fluorescence properties in nano-crystallized SnO2-SiO2 glass-ceramics”
 J. Sol-Gel Sci. Tech. 41, 231-236 (2007).
43 Y.Yang*, S.Matsubara, L.Xiong, T.Hayakawa, and M.Nogami,
“Solvothermal synthesis of multiple shapes of silver nanoparticles and their SERS properties”
 J.Phys.Chem. C, 111, 9095-9104 (2007).

42 T.Hayakawa*, T.Enomoto, and M.Nogami,
“β-band photoluminescence and Sn-E’ center generation from twofold-coordinated Sn centers in SiO2 glasses produced via a sol-gel method”
Jpn. J. Appl. Phys. 45, 5078-5083 (2006).
41  H. You*, T.Hayakawa, and M.Nogami,
“Optical properties of valence change of samarium ions in a sol-gel Al2O3-B2O3-SiO2 glass by femtosecond laser irradiation”
J. Non-Cryst. Solids 352, 2778-2782 (2006).
40  K.Inoue*, K.Fukuda, M.Fuji, S.Hashimoto, T.Hayakawa, S.Honda, M.Shoyama, and Y.Torii,
“Fabrication and cathode luminescence of partially MgO-substituted ZnO powders”
J. Ceram. Soc. Japan 114, 620-623 (2006).
39  G.Kawamura, T.Hayakawa, and M.Nogami*
“Effect of counter ions on the reduction process of Sm3+ ions in TiO2-ZrO2-Al2O3-SiO2 glasses”
J. Alloys and Comp. 408/412, 845-847 (2006).
38  Gil J.Park, T.Hayakawa, and M.Nogami*
“Influence of Al3+ and Eu3+ concentration on PSHB properties of melt-quenched Al2O3-SiO2 glasses”
J. Alloys and Comp. 408/412, 721-723 (2006).
37 T.Hayakawa*, and M.Nogami,
“High-efficient Eu3+ red emission due to excitation energy transfer from nano-sized SnO2 crystals”
Adv. Mater. Res. 11-12, 579-582 (2006).
36 H.You*, T.Hayakawa, and M.Nogami,
“Spectral hole burning in sol-gel derived Eu3+-doped Al2O3-B2O3-SiO2 glasses”
Adv. Mater. Res. 11-12, 201-204 (2006).

35  T.Hayakawa*, and M.Nogami,
“High luminescence quantum efficiency of Eu3+-doped SnO2-SiO2 glasses due to excitation energy transfer from nano-sized SnO2 crystals”
Sci. Tech. Adv. Mater. 6, 66~70 (2005).
34 Y.Yang, M.Hori, T.Hayakawa, and M.Nogami,
“Self-assembled 3-dimensional arrays of Au@SiO2 core-shell nanoparticles for enhanced optical nonlinearities”
Surf. Sci. 579, 215~224 (2005).
33 Gil J.Park, T.Hayakawa, and M.Nogami,
“Spectral hole-burning in femtosecond laser-irradiated Eu3+-doped aluminosilicate glasses”
J. Sol-Gel Sci. Technol. 33, 47~50 (2005).
32 M.Nogami*, G.Kawamura, Gil J.Park, H.You and T.Hayakawa,
“Effect of Al3+ and Ti4+ ions on the laser reduction of Sm3+ ion in glass”
J. Lumin. 114, 178~186 (2005).
31  El-Sayed Ghaith, T.Hayakawa, T.Kasuga, and M.Nogami
“Apatite formation on CO2 laser irradiated titanium oxide films”
Mater. Lett. 60, 194-197 (2005).

30 T.Hayakawa*, Y.Usui, S.Bharathi, and M.Nogami,
“Second harmonic generation from coupled surface plasmon resonances in self-assembling gold nanoparticles monolayer coated with an aminosilane”
Adv. Mater. 16, 1408~1412 (2004).
29 T.Hayakawa, K.Furuhashi, and M.Nogami,
“Local field enhancement influenced on Eu3+ fluorescence in the vicinity of Au nanoparticles in sol-gel derived B2O3-SiO2 glass”
J. Ceram. Soc. Japan Suppl. 112, S256~S260 (2004).
28 Gil J.Park, T.Hayakawa, and M.Nogami*,
“Spectral hole-burning and fluorescence in femtosecond laser induced Sm2+-doped glasses”
J. Lumin. 106, 103~108 (2004).
27 M.Hori, Y.Usui, T.Hayakawa, and M.Nogami,
“Self-assembling of gold nanoparticles coated with silica layer”
J. Ceram. Soc. Japan Suppl. 112, S214~S216 (2004).

26

T.Hayakawa*, K.Furuhashi, and M.Nogami,
“Enhancement of 5D0-7F0 emission of Eu3+ ions in the vicinity of polymer-protected Au nanoparticles in sol-gel derived B2O3-SiO2 glass”
J. Phys. Chem. B 108, 11301~11307 (2004).
25 H.You*, T.Hayakawa, and M.Nogami,
“Upconversion luminescence of Al2O3-SiO2:Ce3+ glass by femtosecond laser irradiation”
Appl. Phys. Lett. 85, 3432~3434 (2004).

24 T.Hayakawa*, A.Hiramitsu, and M.Nogami,
“White light emission from radical carbonyl-terminations in Al2O3-SiO2 porous glasses with high quantum efficiencies”
Appl. Phys. Lett. 82, 2975~2977 (2003).
23 Gil J.Park, T.Hayakawa, and M.Nogami*,
“Formation of Sm2+ ions in femtosecond laser excited Al2O3-SiO2 glasses”
J. Phys.:Condens.Matter. 15, 1259~1265 (2003).
22 M.Nogami*, and T.Hayakawa,
“Optical nonlinearity of glasses containing nanoparticle CdS and SnO2:Eu3+
Int. J. Mater. Prod. Technol. 18, 283~295 (2003).
21 M.Nogami*, and T.Hayakawa,
“Room temperature persistent spectral hole-burning in sol-gel-derived glasses doped with Eu3+ ions”
J. Sol Gel Sci. Techol. 26, 1001~1004 (2003).

20 T.Hayakawa*, M.Nogami, N.Nishi, and N.Sawanobori,
“Faraday rotation effect of highly Tb2O3/Dy2O3-concetrated B2O3-Ga2O3-SiO2-P2O5 glasses”
Chem. Mater. 14, 3220~3222 (2002).
19 T.Hayakawa*, T.Enomoto, and M.Nogami,
“Nanocrystalline SnO2 particles and twofold-coordinated Sn defect centers in sol-gel derived SnO2-SiO2 glasses”
J. Mater. Res. 17, 1305~1311 (2002).
18 T.Hayakawa*, D.Imaizumi, and M.Nogami
“Manganese-doping effect on magneto-optical properties of terbium borate glass”
J. Ceram. Soc. Japan 110, 970~974 (2002).
17 D.Imaizumi, T.Hayakawa*, and M.Nogami
“Faraday rotation effects of Mn2+-modified Tb2O3-B2O3 glass in pulsed magnetic field”
J. Lightwave Tech. 20, 740~744 (2002).
16 S.Tamil Selvan*, T.Hayakawa, M.Nogami, Y.Kobayashi, L.M.Liz-Marzan, T.Hamanaka, and A.Nakamura
“Sol-gel derived gold nanoclusters in silica glass possessing large optical nonlinearities”
J. Phys. Chem. B 106, 10157~10162 (2002).
15 M.Nogami*, T.Ishikawa, and T.Hayakawa
“Defect centers and room temperature persistent spectral hole burning in X-ray irradiated Eu3+-doped glass”
J. Lumin. 96, 163~169 (2002).
14 M.Nogami*, T.Enomoto, and T.Hayakawa
“Enhanced fluorescence of Eu3+ induced by energy transfer from nanosized SnO2 crystals in glass”
J. Lumin. 97, 147~152 (2002).
13 M.Nogami*, T.Eto, K Suzuki, and T.Hayakawa
“Redox equilibrium and spectral hole burning in Sm2+-doped Al2O3-SiO2 glasses”
J. Mater. Res. 17, 2053~2058 (2002).

12 T.Hayakawa*, H.Ooishi, and M.Nogami
“Optical bistablility of stimulated emission lines in Sm3+-doped glass microsphere”
Opt. Lett. 26, 84~86 (2001).
11 T.Hayakawa*, and M.Nogami
“Energy migration of the local excitation at the Eu3+ site in a Eu-O chemical clustering in sol-gel derived SiO2:Eu3+ glass”
J. Appl. Phys. 90, 2200~2205 (2001).
10 S.Tamil Selvan*, T.Hayakawa, and M.Nogami
“Enhanced fluorescence from Eu3+-doped silica gels by adsorbed CdS nanoparticles”
J. Non-Cryst. Solids 291, 137~141 (2001).

9 T.Hayakawa*, and M.Nogami
“Dynamical Faraday rotation effects of sol-gel derived Al2O3-SiO2 glass containing Eu2+ ions”
Solid State Commun. 116, 77~82 (2000).
8 T.Hayakawa*, D.Imaizumi, and M.Nogami
“Newly designed organic/inorganic film for optical second-harmonic generation”
J. Mater. Res. 15, 530~535 (2000).
7  T.Hayakawa*, S.Tamil Selvan, and M.Nogami
“Influence of adsorbed CdS nanoparticles on 5D07FJ emissions in Eu3+-doped silica gel”
J. Lumin. 87-89, 532~534 (2000).
6 T.Hayakawa*, S.Tamil Selvan, and M.Nogami
“Energy Transfer between Eu3+ ion and CdS quantum dot in sol-gel derived CdS/SiO2:Eu3+ gel”
J. Sol Gel Sci. Technol. 19, 779~783 (2000).
5 D.Imaizumi, T.Hayakawa*, T.Kasuga and M.Nogami
“Optical second harmonic generation and relaxation dynamics of aligned azo-dyes in sol-gel derived organic-inorganic film”
J. Sol Gel Sci. Technol. 19, 383~386 (2000).
4 M.Nogami*, T.Nagakura, T.Hayakawa, and T.Kasuga
“Prospect of sol-gel process for spectral hole-burning glasses”
J. Sol Gel Sci. Technol. 19, 253~256 (2000).
3 M.Nogami*, T.Nagakura, and T.Hayakawa
“Site-dependent fluorescence and hole-burning spectra of Eu3+-doped Al2O3-SiO2 glasses”
J. Lumin. 86, 117~123 (2000).
2 M.Nogami*, T.Ishikawa, T.Hayakawa, and T.Kasuga
“Spectral hole burning in sol-gel-derived Eu3+-doped film”
J. Mater. Res. 15, 1190~1194 (2000).
1 H.Matsushita, R.Nagao, M.Nogami*, T.Kasuga, and T.Hayakawa
“Hydrogen gas sensing of high electrical conducting P2O5-SiO2 glasses prepared by sol-gel process”
J. Sol Gel Sci. Technol. 19, 559~562 (2000).

5 T.Hayakawa*, M.Uchida, T.Suhara, J-R.Duclere and P.Thomas
“Optical Sensing of Femtosecond Laser Spot Temperature Using Er3+ Up-Conversion Photoluminescence for TeO2-based Glass”
in “Rare-Earth: New Researchess” ed. by Zhaosen Liu Nova-Publisher, ISBN: 978-1-62618-996-6 (2013)./ eBook ISBN: 978-1-62808-014-8 (2013).
4 T.Hayakawa*, M.Uchida, T.Suhara, J-R.Duclere and P.Thomas
“Tm3+ Blue Up-conversion Photoluminescence Properties of Tm3+/Yb3+ co-doped TeO2-TlO0.5-ZnO Glasses”
International Conference on Spectroscopy & Applications , ISBN: 978-604-913-163-9
3 T.Hayakawa*, S.Hayashi, S.Miyazawa, T.Ohashi, K.Watanabe,
“C-axis orientation and optical transmission properties of translucent polycrystalline alumina ceramics”
Light Sources 2012, pp.131-132, ed. by T.Devonshire and G.Zissis, FAST-LS (ISBN 978-0-9555445-4-5).
2 野上正行・早川知克 (分担執筆)

“「ゾル-ゲル法による光機能ナノガラス」第3編第8章pp.246-255”

“新材料・新素材シリーズ~先端ガラスの産業応用と新しい加工(監修:平尾一之, シーエムシー出版”, (2010).
1 T.Hayakawa, and M.Nogami (分担執筆)

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

IPAP Books 2, K.Tada, T.Suhara, K.Kikuchi, Y.Kokubun, K.Utaka, M.Asada, F.Koyama and T.Arakawa編, “Photonics Based on Wavelength Integration and Manipulation”, 193~198 (2005).

11 早川知克, 岩本雄二
「国際共同研究を通じたセラミックス材料科学分野の教育・研究機能強化―フランス・ENSCI/リモージュ大学との連携活動」
セラミックスデータブック 2016 , in press (2016).
10 早川知克
「仏CNRS-SPCTS研究所訪問(フランスにおける高等教育とガラス研究)」
New Glass 31(2), (serial No.118) 27-31 (2016).
9 早川知克,
「狭帯化蛍光線(FLN)分析法を用いた希土類添加ガラス及びセラミックス蛍光体の評価」
セラミックスデータブック 2013 Vol.41, No.95, 90-94 (2013).
8 早川知克,
「透光性多結晶アルミナの光透過特性と粒界屈折率差」
セラミックスデータブック 2012 Vol.40, No.94, 81-84 (2012).
7 早川知克

「新規MXOY-Tl2O-TeO2系テルライトガラスの非線形屈折率特性および非線形発光特性」

豊田研究報告No.63, 213~218 (2010).
6 野上正行, 早川知克

「ユウロピウム(Eu)ドープガラスの発光特性」

マテリアル・インテグレーション 第23巻第01号, 27~33 (2010).
5 早川知克

「TeO2-Nb2O5-MO(M=Zn, Mg, Ca, Sr, Ba)ガラスのラマンスペクトルと三次非線形光学Z-scan特性」

豊田研究報告No.62, 243~248 (2009).
4 早川知克, 朴吉在, 野上正行

「Sm添加アルミノシリケートガラスの点欠陥と光ホールバーニング」

応用物理 第75巻第7号, 887~891 (2006).
3 野上正行, 早川知克

「SnO2-SiO2:Eu3+透明ナノ結晶化ガラスの高効率赤色発光」

New Glass 21(2), 9~10 (2006)
2 野上正行, 早川知克

「ナノガラス技術により得られたSnO2-SiO2:Eu3+ガラスの高効率Eu3+発光」

New Glass 20(4), 45~50 (2005)
1 鎌田憲彦, 早川知克, 山田興治

「希土類添加ガラスの発光と共鳴エネルギー移動」

応用物理 第65巻第1号, 70~73 (1996)