Enhanced-emission glasses

429	Cathodoluminescence properties of Pr3+-doped perovskite-type transparent red luminescent thin films processed by a sol-gel method            Y. Ishikawa, T. Hayakawa, K. Inoue, and M. Nogami           J. Sol-Gel Sci. Tech. 65, 324~328 (2013).
426	Third-order nonlinear optical properties and low-frequency raman scattering of MO-Nb2O5-TeO2 glasses           　T. Suhara, T. Hayakawa, M. Nogami, and P. Thomas           　J. University of Chemical Technology and Metallurgy, 47, 369~376 (2012).
425	Optical properties of TeO2-TiO2 thin films doped with Eu3+ ions fabricated by sol-gel processing           　T. Hayakawa, H. Koyama, M. Nogami, and P. Thomas           　J. University of Chemical Technology and Metallurgy, 47, 381~386 (2012).
407	Photoluminescence properties and ^5D0 decay analysis of LaF3:Eu^3+ nanocrystals prepared by using surfactant assist X. Zhang, T. Hayakawa, and M. Nogami              International Journal Appl. Ceramic Tech. 8, 741~751 (2011).
404	Raman spectra and third-order nonlinear optical Z-scan properties of MO-Nb2O5-TeO2 (M=Zn, Mg, Ca, Sr, Ba) glasses T. Hayakawa, T. Suhara1, T. Fujiwara1, M. Nogami1, and P. Thomas Phys. Status Solidi C 8, 2633~2636 (2011).
403	Optical properties and Judd-Ofelt parameters of Sm^3+ doped BiO1.5-WO3-TeO2 glasses 　　　　T. Fujiwara1, T. Hayakawa, M. Nogami1, J. R. Duclère, and P. Thomas 　　　　Phys. Status Solidi C 8, 2597~2600 (2011).
387	Variation in Eu^3+ luminescence properties of GdF3:Eu^3+ nanophosphors depending on matrix GdF3 polytype X. Zhang, T. Hayakawa, M. Nogami and Y. Ishikawa J. Alloys and Compounds, 509, 2079~2080 (2011).
383	Selective Synthesis and Luminescence Properties of Nanocrystalline GdF3:Eu^3+ with Hexagonal and Orthorhombic Structures X. Zhang, T. Hayakawa, M. Nogami, and Y. Ishikawa J. Nanomaterials, (2010).
379	Fluorescence line narrowing spectroscopy of Eu^3+ in zinc-thallium-tellurite glass V. P. Tuyen, T. Hayakawa, M. Nogami, J. R. Duclere, and P. Thomas J. Solid State Chem. 183, 2714~2719 (2010).
378	The photoluminescent properties of Eu^3+ in MgO-Ga2O3-SiO2 nanocrystalline glass-ceramic L. Yu, H. Liu, W. Sun, and M. Nogami J. Phys. Chm. Solids, 71, 1656~1659 (2010).
371	The synthesis and photoluminescent properties of one-dimensional ZnMoO4:Eu^3+ nanocrystals L. Yu and M. Nogami Mater. Lett. 64, 1644~1646 (2010).
369	The affects of doping Eu^3+ on structures and morphology of ZrO2 nanocrystals Y. Lixin, L. Hai and M. Nogami Optical Materials, 32, 1139~1141 (2010).
366	Hydrogen Gas Reaction with Eu^3+-Doped Al2O3–SiO2 Glasses  M. Nogami, K Watanabe, Y. Ito, H. Ito and H. Nakano J. Am. Ceram. Soc. 93, 1663~1667 (2010).
350	Blue light emission from Eu^2+ ions in sol–gel-derived Al2O3–SiO2 glasses Y. Kishimoto, X. Zhang, T. Hayakawa, and M. Nogami J. Lumin. 129,1055~1059 (2009).
344	Size-Dependence of LaF3:Eu^3+ Nanocrystals on Eu^3+ Photoluminescence Intensity X. Zhang T. Hayakawa and M. Nogami Mater. Sci. and Eng.1 012021~1 012022 (2009).
342	Excitation-emission properties of Er^3+ ions doped in nonlinear optical TeO2-Nb2O5-ZnO glass by 800 nm femtosecond laser excitation. T. Hayakawa, M. Hayakawa, and M. Nogami J. Ceramic Soc. Japan, 116, 1092~1095 (2008).
341	Up-conversion Luminescence of Terbium(III) in SiO2 and ZnO-SiO2 Glasses Induced by Simultaneous Absorption of Three Photons and Saturation L. Yu and M. Nogami Spectroscopy Letters, 41, 344~348 (2008).
335	Photoluminescent changes of Eu^3+ in ZnO–SiO2 glasses induced by femtosecond laser L. Yu and M. Nogami J. Alloys and Compounds, 462, 187~191 (2008).
332	Estimation of the fs laser spot temperature inside TeO2–ZnO–Nb2O5 glass by using up-conversion green fluorescence of Er^3+ ions T. Hayakawa, M. Hayakawa, and M. Nogami J. Alloys Compounds, 451, 77~80 (2008).
330	Upconversion luminescence properties of europium in ZnO–SiO2 glasses by femtosecond laser excitation L.Yu, and M. Nogami Materials Chem. Phys., 107, 186~188 (2008).
325	Magnetic properties of EuO-Al2O3-B2O3-SiO2 glasses with high Eu^2+ concentration Y. Sugihara, T. Hayakawa, and M. Nogami J. Ceram. Soc. Japan, 115, 602~604 (2007).
318	Local structure and photoluminescent characteristics of Eu^3+ in ZnO–SiO2 glasses L. Yu and M. Nogami J. Sol-Gel Sci. Tech. 43, 355~360 (2007).
309	Eu^3+-fluorescence properties in nano-crystallized SnO2-SiO2 glass-ceramics V. Gueu, Virginie; H. You, T. Hayakawa, and M. Nogami J. Sol-Gel Sci. Tech. 41, 231~236 (2007).
301	Redox equilibrium of samarium ions doped in Al2O3–SiO2 glasses M. Nogami, T. Hagiwara, G. Kawamura, El-Sayed Ghaith, and T. Hayakawa J. Lumin. 124, 291~296 (2007).
291	High-efficient Eu^3+ red emission due to excitation energy transfer from nano-sized SnO2 crystals T. Hayakawa and M. Nogami Adv. Mater. Res. 11-12, 579~582 (2006).
262	Effect of Al^3+ and Ti^4+ ions on the laser reduction of Sm^3+ ion in glass M. Nogami, G. Kawamura, G. J. Park, H. You, and T. Hayakawa J. Lumin. 114, 178~186 (2005).
259	Optical Properties and Valence Change of Europium Ions in a Sol-Gel Al2O3-B2O3-SiO2 Glass by Femtosecond Laser Pulses H. You and M. Nogami J. Phys. Chem. B, 109, 13980~3984 (2005).
248	High luminescence quantum efficiency of Eu^3+-doped SnO2-SiO2 glasses due to excitation energy transfer from nano-sized SnO2 crystals T. Hayakawa and M. Nogami Sci. Tech. Adv. Mater. 6, 66~70 (2005).
233	Optical properties and local structure of Eu^3+ ions in sol-gel TiO2-SiO2 glasses H. You and M. Nogami J. Phys.Chem. B, 108, 12003~12008 (2004).
232	Enhancement of ^5D0-^7FJ emissions of Eu^3+ ions in the vicinity of polymer-protected Au nanoparticles in sol-gel-derived B2O3-SiO2 glass T. Hayakawa, K. Furuhashi, and M. Nogami J. Phys. Chem. B, 108, 11301~11307 (2004).
231	Upconversion luminescence of Al2O3–SiO2:Ce^3+ glass by femtosecond laser irradiation H. You, T. Hayakawa, and M. Nogami Appl. Phys. Lett., 85, 3432~3234 (2004).
226	Local-field enhancement influenced on Eu^3+ fluorescence in the victory of Au nanoparticles in Sol-gel derived B2O3-SiO2 glass T. Hayakawa, K. Furuhashi and M. Nogami J.Ceram.Soc. Japan Suppl. 112, S256~S260 (2004).
221	Three-photon-excited fluorescence of Al2O3-SiO2 glass containing Eu^3+ ions by femtosecond laser irradiation H. You and M. Nogami Appl. Phys. Lett., 84, 2076~2078 (2004).
214	Laser precipitation of SnO2 nanocrystals in glass and energy transferred-fluorescence of Eu^3+ ions M. Nogami and Y. Ohno J. Non-cryst. Solids, 330, 264~267 (2003).
212	Laser induced SnO2 crystallization and fluorescence properties in Eu^3+doped-SnO2-SiO2 glasses M. Nogami, A. Ohno and H. You Phys. Rev. B, 68, 104204/1~104204/7 (2003).
208	Optical nonlinearity of glass containing nano-particle CdS and SnO2:Eu^3+ M. Nogami and T. Hayakawa Int. J. Mater. Prod. Technol. 18, 283~295 (2003).
203	White light emission from radical carbonyl-terminations in Al2O3-SiO2 porous glasses with high　luminescence quantum efficiencies T. Hayakawa, A. Hiramitsu and M. Nogami Appl. Phys. Lett. 82, 2975~2977 (2003).
194	Manganese-doping effects on magneto-optical properties of terbium borate glass T. Hayakawa, D. Imaizumi and M. Nogami J. Ceram. Soc. Japan, 110, 970~974 (2002).
188	Faraday rotation effect of highly Tb2O3/Dy2O3-concetrated B2O3-Ga2O3-SiO2-P2O5 glasses T. Hayakawa, M. Nogami, N. Nishi, and N. Sawanobori, Chem. Mater. 14, 3220-3222 (2002).
183	Nanocrystalline SnO2 particles and two fold-coordinated Sn defect centers in sol-gel-derived SnO2-SiO2 glasses. T. Hayakawa, T. Enomoto, and M. Nogami J. Mater. Res., 17, 1305~1311 (2002).
181	Enhanced fluorescence of Eu^3+ induced by energy transfer from nanosized SnO2 crystals in glass M. Nogami, T. Enomoto and T. Hayakawa J. Lumin., 97, 147~152 (2002).
167	Enhanced fluorescence from Eu^3+-doped silica gels by adsorbed CdS nanoparticles S. T. Selvan, T. Hayakawa and M. Nogami J. Non-cryst. Solids, 291, 137~141 (2001).
164	Energy migration of the local excitation at the Eu^3+ site in a Eu-O chemical cluster in sol-gel derived SiO2:Eu^3+ glasses T. Hayakawa and M. Nogami J. Apply. Phys. 90, 2200-2205 (2001).
158	Fluorescence properties of Eu-doped GeO2-SiO2 glass heated under an H2 atmosphere M. Nogami J. Lumin., 92, 329-336 (2001).
153	Optical bistability of stimulated-emission lines in Sm^3+-doped glass microspheres T. Hayakawa, H. Ooishi, and M. Nogami Optics Lett., 26, 84~86 (2001).
147	Energy transfer between Eu^3+ ions and CdS quantum dots in sol-gel derived CdS/SiO2:Eu^3+ gel T. Hayakawa, S. Tamil Selvan, and M. Nogami J. Sol-gel Sci. Tech., 19, 779~783 (2000).
137	Influence of adsorbed CdS nanoparticles on ^5D0→^7FJ emissions in Eu^3+-doped silica gel T. Hayakawa, S. Tamil Selvan and M. Nogami J. Lumin., 87/89. 532~534 (2000).
124	Enhanced fluorescence from Eu^3+ owing to surface plasma oscillation of small silver particles in glass T. Hayakawa, S. Tamil Selvan, and M. Nogami J.Non-Cryst. Solids, 259, 16~22 (1999).
115	Remarkable influence of silver islands on the enhancement of fluorescence from Eu^3+ ion-doped silica gels S. Tamil Selvan, T. Hayakawa, and M. Nogami J. Phys. Chem. B, 103 7064~7067 (1999).
107	Field enhancement effect of small Ag particles on the fluorescence from Eu^3+-doped SiO2 glass T. Hayakawa, S. Tamil-Selvan, and M. Nogami Appl. Phys. Lett. 74, 1513~1515 (1999).
106	Comparison of temperature dependence of the fluorescence of Sm^2+-ion doped in different hosts H. Song, T. Hayakawa, and M. Nogami J. Lumin. 81, 153~157 (1999).
91	Fluorescence properties of Eu^3+ and Eu^2+ codoped in aluminosilicate glass M. Nogami, T. Yamazaki, Y. Abe J. Lumin. 78, 63~68 (1998).
81	Fluorescence spectroscopy of silicate glasses doped with Sm^2+ and Al^3+ ions M.Nogami, and Y.Abe J. Appl. Phys. 81, 6351~6356 (1997).
73	Enhanced emission from Eu^2+ ions in sol-gel-derivedAl2O3-SiO2 glasses M.Nogami, and Y.Abe Appl. Phys. Lett. 69, 3776~3778 (1996).
72	Fluorescence properties of Sm^2+ ions in silicate glasses M.Nogami, and Y.Abe J. Appl. Phys. 80, 409~414 (1996).
70	Properties of sol-gel-derived Al2O3-SiO2 glasses using Eu^3+ ion fluorescence spectra N.Nogami and Y.Abe J. Non-cryst. Solids, 197, 73~78 (1996).

Spectral hole-burning

322	New Hole-Burning Observations in Eu^3+-Ion-Doped Glasses M. Nogami, G. Kawamura, L. Dapvril, and K. Goto Adv. Mater. 19, 2347~2350 (2007).
301	Redox equilibrium of samarium ions doped in Al2O3–SiO2 glasses M. Nogami, T. Hagiwara, G. Kawamura, El-Sayed Ghaith, and T. Hayakawa J. Lumin. 124, 291~296 (2007).
288	Spectral hole burning in sol-gel-derived Eu^3+-doped Al2O3-B2O3-SiO2 glass H. You, T. Hayakawa, and M. Nogami Adv. Mater. Res. 11-12, 201~204 (2006).
274	Persistent spectral hole burning of Eu^3+ ions in TiO2–SiO2 glass prepared by sol–gel method H. You and M. Nogami J. Alloy and Compounds, 408/412, 796~99 (2006).
273	Influences of Al^3+ and Eu^3+ concentration on PSHB properties of melt-quenched Al2O3–SiO2 glasses Gil Jae Park, T. Hayakawa and M. Nogami J. Alloy and Compounds, 408/412, 721~23 (2006).
250	Spectral hole-burning in femtosecond laser-irradiated Eu^3+-doped aluminosilicate glasses G. J. Park, T. Hayakawa and M. Nogami J. Sol-gel Sci. Technol. 33, 47~50 (2005).
218	Spectra hole burning and fluorescence in femtosecond laser induced Sm^2+-doped glasses Gil Jae Park, T. Hayakawa and M. Nogami J. Lumin., 106, 103~108 (2004).
202	Formation of Sm^2+ ions in femtosecond laser excited Al2O3 - SiO2 glasses Gil Jae Park, T. Hayakawa and M. Nogami J. Phys. : Condens. Matter, 15, 1259~1265 (2003).
198	Room temperature persistent spectral hole-burning in sol-gel-derived glasses doped with Eu^3+ ions M Nogami and T. Hayakawa J. Sol-Gel Sci. Technol. 26, 1001 (2003).
190	Water can functionalize the sol-gel-derived glasses M. Nogami J. Ceram. Soc. Japan, 110, 796~800 (2002).
187	Room temperature persistent spectral hole burning of Eu^3+ ions doped in sol-gel derived glasses M Nogami J. Lumin., 98, 289~294 (2002).
185	Fast spectral hole burning in Sm^2+-Doped Al2O3-SiO2 glasses M. Nogami and K. Suzuki Adv. Mater. 14, 923~926 (2002).
182	Formation of Sm^2+ ions and spectral hole burning in x-ray irradiated glasses M. Nogami and K. Suzuki J. Phys. Chem., 106, 5395-5399 (2002).
177	Room-temperature hole-burning and sublinear hole-growth dynamics in an Sm^2+-doped aluminosilicate glass H. Song and M. Nogami J. Non-Cryst. Solids, 297 113~119 (2002).
161	Spectral hole burning of Eu^3+-doped Al2O3-SiO2 glass prepared by melt-quenching M. Nogami T. Kawaguchi, and A. YasumoriOptics 　　　　Communications, 193, 237~244 (2001).
155	Room-temperature persistent spectral hole burning of Eu^3+ coupling with Al^3+ in glass M. Nogami and T. Ishikawa Phys. Rev., B, 63, 104205-1~6 (2001).
145	Prospect of sol-gel process for spectral hole-burning glasses M. Nogami, T. Nagakura, T. Hayakawa, and T. Kasuga J. Sol-gel Sci. Tech., 19, 253~256 (2000).
140	Spectral hole burning and x-ray irradiation in Eu^3+-doped glass M. Nogami and S. Ito Phys. Rev., B, 61, 14295~14298 (2000).
139	Spectral hole burning in sol-gel-derived Eu^3+-doped film M. Nogami, T. Ishikawa, T. Hayakawa, and T. Kasuga J. Mater. Res., 15, 1190~1194 (2000).
134	The local structure of Sm-doped aluminosilicate glasses prepared by sol-gel method J. Jin, S. Sakida, T. Yoko and M. Nogami J. Non-cryst. Solids, 262, 183~190 (2000).
133	Site-dependent fluorescence and hole-burning spectra of Eu^3+-doped Al2O3-SiO2 glasses M. Nogami, T. Nagakura and T. Hayakawa J. Lumin. 86, 117~123 (2000).
128	Room-temperature photochemical hole burning in Eu^3+-doped Al2O3-SiO2 glass M. Nogami, T. Hayakawa, and T. Ishikawa Appl. Phys. Lett. 75, 3072~3075 (1999).
123	Persistent spectral hole burning of Sm^2+ and Eu^3+ ions in sol-gel-derived glasses M. Nogami J. Non-cryst. Solids, 259, 170~175 (1999).
122	Room temperature spectral hole burning and electron transfer in Sm-doped aluminosilicate glasses H. Song, T. Hayakawa, and M. Nogami J. Appl. Phys. 86, 5619-5623 (1999).
118	Persistent Spectral Hole Burning and Local Structure of Eu^3+ ion doped in BaO-PbO-P2O5 glasses S. Ito, T. Hayakawa, T. Kasuga, and M. Nogami J. Mater. Sci. 14, 3759~3764 (1999).
113	Thermal and optical hole-filling in a Sm^2+-doped aluminosilicate glass H. Song, T. Hayakawa, and M. Nogami Optics Comm. 165, 45~52 (1999).
108	Spectral hole burning quantum efficiency and electron traps in Sm^2+-ion-doped Al2O3-SiO2 glasses H. Song, T. Hayakawa, and M. Nogami Phys. Rev. B, 59, 11760~11766 (1999).
104	Persistent spectral hole burning and water content in Eu^3+-doped aluminosilicate glasses M. Nogami, T. Nagakura, T. Hayakawa J Phys. Condensed Matter. 11, 335~343 (1999).
101	Hole burning and fluorescence spectra of sol-gel-derived Sm^2+-doped glasses M. Nogami, Y. Abe J. Sol-gel Sci. Technol. 13, 541~545 (1998).
100	Persistent spectral hole burning in Eu^3+-doped silicate glasses codoping Al^3+ and P^5+ ions M. Nogami, T. Nagakura, T. Hayakawa T. Sakai Chem. Mater. 10, 3991~3995 (1998).
99	Effect of OH bonds on persistent spectral hole burning of Sm^2+-doped glasses M. Nogami, T. Hiraga, T. Hayakawa J. Non-cryst. Solids, 241, 98〜104 (1998).
95	Effect of hydroxyl bonds on persistent spectral hole burning in Eu^3+-doped BaO-P2O5 glasses M. Nogami, N. Umehara, T. Hayakawa Phys. Rev. B, 58, 6166~6171 (1998).
89	Persistent spectral hole burning in Eu^3+-doped aluminosilicate glass at high temperature M. Nogami, Y. Abe J. Opt. Soc. Am. B 15, 680~683 (1998).
88	Persistent spectral hole burning of sol-gel-derived Eu^3+-doped SiO2 glass M. Nogami, T. Hayakawa Phys. Rev. B 56, R14235~14238 (1997).
87	High temperature persistent spectral hole burning of Eu^3+-doped SiO2 glass prepared by the sol-gel process M. Nogami, Y. Abe Appl. Phys. Lett. 71, 3465~3467 (1997).
85	Photochemical hole burning in Sm^2+-doped aluminosilicate and borosilicate glasses D. H. Cho, K. Hirao, N. Soga, M. Nogami J. Non-cryst. Solids, 215, 192〜200 (1997).
82	Spectral hole burning and excited electrons in Sm^2+-doped Al2O3-SiO2 glasses M.Nogami, Y.Abe Phys. Rev. B, 56, 182~186 (1997).
75	Sol-gel processing of Sm^2+-doped glass and its spectral hole burning at room temperature M. Nogami, Y. Abe J. Sol-gel Sci. Tech. 8, 867~870 (1997).
69	Formation of Sm^2+ ions in sol-gel-derived glasses of the system Na2O-Al2O3-SiO2 M.Nogami, N.Hayakawa, N.Sugioka, and Y.Abe J. Am. Ceram. Soc., 79, 1257~1261 (1996).
63	Room temperature persistent spectra hole burning in Sm^2+-doped silicate glasses prepared by the sol-gel process M.Nogami, Y.Abe, K.Hirao, D.H.Cho Appl. Phys. Lett. 66, 2952~2954 (1995).
58	Sm^2+-doped silica glasses prepared by a sol-gel process M.Nogami, Y.Abe Appl. Phys. Lett., 65, 1227~1229 (1994).