京都大学化学研究所研究者情報   [ English | Japanese ]


正井 博和 (まさいひろかず )

材料機能化学研究系 無機フォトニクス材料
(大学院工学研究科分子工学専攻 協力講座)
助教
博士(工学)
URL:http://noncry.kuicr.kyoto-u.ac.jp
E-mail: masai_h@scl.kyoto-u.ac.jp
Tel: 0774-38-3131
Fax: 0774-33-5212

研究・教育歴
    2005.3  京都大学大学院工学研究科 博士課程修了の取得認定退学
    2005.4  長岡技術科学大学 産学官連携研究員
    2005.5  京都大学博士(工学) 
    2006.4  東北大学大学院工学研究科 科学技術振興研究員
    2006.12 東北大学大学院工学研究科 助手
    2007.4  東北大学大学院工学研究科 助教
    2010.4  現職
専門分野
    無機材料化学、非晶質材料
主な研究テーマ
  1. 有機ー無機ハイブリッド材料の創製
  2. 結晶化ガラスの開発と応用
  3. 光機能性ガラス材料の開発
主な論文・著書
  1. Kuro, T.; Okada, G.; Kawaguchi, n.; Fujimoto, Y.; Masai, H.; Yanagida, T., Scintillation properties of rare-earth doped NaPO3-Al(PO3)3 glasses Optical Materials accepted (2016)
  2. Tatsumi, H.; Okada, G.; Yanagida, T.; Masai, H., Radiophotoluminescence and thermally-stimulated luminescence of Ag-doped Li3PO4-Al(PO3)3 glass Journal of Luminescence 179, 545-549 (2016)
  3. Okada, G.; Masai, H.; Torimoto, A.; Kasap, S.; Yanagida, T., X-ray induced effects in Sm3+-doped ZnO-P2O5 glass for radiation measurements Journal of Ceramic Processing Research 17, 148-151 (2016)
  4. Masai, H.; Ueda, Y.; Yanagida, T.; Okada, G.; Tokuda, Y., Photo- and Radioluminescence of Sn2+ Centers in Alkaline Earth-Substituted Zinc Phosphate Glass Sensors and Materials 28, 871-879 (2016)
  5. Masai, H.; Matsumoto, S.; Ueda, Y.; Koreeda, A., Correlation between Valence State of Tin and Elastic Modulus of Sn-doped Li2O–B2O3–SiO2 Glasses Journal of Applied Physics 119, 185104 (2016)
  6. Masai, H.; Koreeda, A.; Fujii, Y.; Ohkubo, T.; Kohara, S., Photoluminescence of Sn2+-centre as probe of transient state of supercooled liquid Optical Materials Express 6, 1827-1836 (2016)
  7. Torimoto, A.; Masai, H.; Tokuda, Y.; Yanagida, T.; Okada, G.; Mibu K, Correlation between the emission properties of Sn2+ center and the chemical composition of ZnO-P2O5 glasses Journal of the Ceramic Society of Japan 124, 554-558 (2016)
  8. Tatsumi, H.; Okada, G.; Yanagida, T.; Masai, H., Scintillation and Dosimeter Properties of Ce-doped Li3PO4-Al(PO3)3 Glasses Journal of the Ceramic Society of Japan 124, 550-553 (2016)
  9. Masai, H.; Yamada, Y.; Tanimoto, T.; Tokuda, Y.; Kanemitsu, Y.; Yoko, T. , Inorganic amorphous phosphor containing ns2-type Sn2+ emission center Science of Advanced Materials accepted (2016)
  10. Yanagida, T.; Fujimoto, Y.; Masai, H., Radiation induced luminescence properties of pure and Sn-doped 60ZnO-40P2O5 glass Physics and Chemistry of Glasses 57, 158-162 (2016)
  11. Tatsumi, H.; Okada, G.; Yanagida, T.; Masai, H., Radio-photoluminescence of Ag-doped Li3PO4-Al(PO3)3 glass Chemistry Letters 45, 280-282 (2016)
  12. Yanagida, T.; Ueda, J.; Masai, H.; Fujimoto, Y.; Tanabe, S., Optical and scintillation properties of Ce-doped 34Li2O-5MgO-10Al2O3-51SiO2 glass Journal of Non-Crystalline Solids 431, 140-144 (2016)
  13. Masai, H.; Yanagida, T., Photoluminescence of ns2-type center-containing zinc borate glasses Journal of Non-Crystalline Solids 431, 83-87 (2016)
  14. Tokuda, Y.; Norikawa, Y.; Masai , H.; Ueda, Y; Nihei, N.; Fujimura, S.; and Ono, Y., Nuclear magnetic resonance study of Cs adsorption onto clay minerals Radiological Issues for Fukushima’s Revitalized Future 3-11 (2016)
  15. Masai, H.; Yamada, Y.; Okumura, S.; Yanagida, T.; Fujimoto, Y.; Kanemitsu, Y.; Ina, T., Photoluminescence of monovalent indium centres in phosphate glass Scientific Reports 5, 13646 (2015)
  16. Masai, H.; Yanagida, T.; Mizoguchi, T.; Ina, T.; Miyazaki, T.; Kawaguti, N.; Fukuda, K., Local coordination state of rare earth in eutectic scintillators for neutron detector applications Scientific Reports 5, 13332 (2015)
  17. Masai, H.; Suzuki, Y.; Yanagida, T.; Mibu, K., Luminescence of Sn2+ Center in ZnO-B2O3 Glasses Melted in Air and Ar Condition Bulletin of the Chemical Society of Japan 88, 1047–1053 (2015)
  18. Masai, H.; Yanagida, T., Emission property of Ce3+-doped Li2O-B2O3-SiO2 glasses Optical Materials Express 5, 1851-1858 (2015)
  19. Kinoshita, M.; Takahashi, Y.; Terakado, N.; Masai, H.; Fujiwara, T., Controllable photoluminescence by melting-process temperature in SnO-containing glass Journal of the Ceramic Society of Japan 123, 614-617 (2015)
  20. Masai, H.; Miyata, H.; Yamada, Y.; Okumura, S.; Yanagida, T.; Kanemitsu, Y., Tin-Doped Inorganic Amorphous Films for Use as Transparent Monolithic Phosphors Scientific Reports 5, 11224 (2015)
  21. Nanto, H.; Nakagawa, R.; Takei, Y.; Hirasawa, K.; Miyamoto, Y.; Masai, H.; Kurobori, T.; Yanagida, T.; Fujimoto, Y., Optically stimulated luminescence in x-ray irradiated xSnO–(25−x)SrO–75B2O3 glass Nuclear Instruments and Methods in Physics Research Section A 784, 14-16 (2015)
  22. Masai, H.; Yanagida, T.; Fujiwara, T., Photo- and Radioluminescence of ZnO-precipitated Glass-Ceramics Sensors and Materials 37, 237-245 (2015)
  23. Masai, H.; Hino, Y.; Yanagida, T.; Fujimoto, Y., Photoluminescence and Radioluminescence properties of MnO-doped SnO-ZnO-P2O5 glasses Optical Materials 42, 381-384 (2015)
  24. Masai, H.; Miyazaki, T.; Mibu, K.; Takahashi, Y.; Fujiwara, T., Nano-phase separation and the effect of SnO addition in TiO2-precipitated glass-ceramics Journal of European Ceramics Society 35, 2139-2144 (2015)
  25. Masai, H.; Hino, Y.; Yanagida, T.; Fujimoto, Y.; Tokuda, Y., High energy-transfer rate from Sn2+ to Mn2+ in phosphate glasses Optical Materials Express 5, 617-622 (2015)
  26. Yanagida, T.; Fujimoto, Y.; Masai, H. , Scintillation and dosimeter properties of 40Li2O-40B2O3-20SiO2 glass with different Sn concentrations Physics and Chemistry of Glasses 55, 274-279 (2014)
  27. Minami, T.; Tokuda, Y.; Masai, H.; Ueda, Y.; Ono, Y.; Fujimura, S.;Yoko, T., Structural analysis of alkali cations in mixed alkali silicate glasses by 23Na and 133Cs MAS NMR Journal of Asian Ceramic Societies 2, 333-338 (2014)
  28. Tokuda, Y.; Matsuki, H.; Ueda. Y.; Masai, H.; Yoko, T., Crystal Growth of ZnO Microneedles in Water Containing Microbubbles New Journal of Glass and Ceramics 4, 49-54 (2014)
  29. 宮崎孝道、高橋儀宏、藤原巧、正井博和, 電子顕微鏡による結晶化ガラスの微細組織観察 NEW GLASS 29, 14-19 (2014)
  30. Fujimoto, Y.; Yanagida, T.; Futami, Y.; Masai, H., Fluorescence and radiation response properties of Ce3+-doped CaO–Al2O3–B2O3 glass Japanese Journal of Applied Physics 53, [05FK05/1]-[05FK05/3] (2014)
  31. Masai, H.; Hino, Y.; Yanagida, T.; Fujimoto, Y.; Yoko, T., Energy transfer from Sn2+ to RE3+ cations in ZnO-P2O5 Glass Bulletin of the Chemical Society of Japan 87, 556-563 (2014)
  32. Masai, H.; Tanimoto, T.; Okumura, S.; Teramura, K.; Matsumoto, S.; Yanagida, T.; Tokuda, Y.; Yoko, T., Correlation Between Preparation Conditions and the Photoluminescence Properties of Sn2+ Centers in ZnO-P2O5 Glasses Journal of Materials Chemistry C 2, 2137-2143 (2014)
  33. Ueda, Y.; Tokuda, Y.; Nagai, H.; Masai, H.; Yoko, T., Analysis of Electrochemical Characteristics of Organic–Inorganic Hybrid Titanophosphite Membranes ECS Transactions 58, 45-52 (2014)
  34. Masai, H.; Fujiwara, T.; Matsumoto, S.; Tokuda, Y.; Yoko, T., Emission Property of Sn2+-Doped ZnO-P2O5 Glass Journal of Non-Crystalline Solids 383, 184-187 (2014)
  35. Masai, H.; Yamada, Y.; Suzuki, Y.; Teramura, K.; Kanemitsu, Y.; Yoko, T., Narrow Energy Gap between Triplet and Singlet Excited States of Sn2+ in Borate Glass Scientific Reports 3, [3541-1]-[3541-7] (2013)
  36. Yoshida, K.; Masai, H.; Takahashi, Y.; Ihara, R.; Fujiwara, T., Selective crystallization of anatase and rutile by control of heat-treatment conditions and SiO2 addition in TiO2-crystallized glass Journal of Ceramic Society of Japan 121, 999-1003 (2013)
  37. Masai, H.; Shirai, R.; Miyazaki, T.; Yoshida, K.; Fujiwara, T.; Tokuda, Y.; Yoko, T., Fabrication of Sr0.5Ba0.5Nb2O6 Nanocrystallite-Precipitated Transparent Phosphate Glass-Ceramics Journal of American Ceramics Society 96, 3576-3583 (2013)
  38. Masai, H.; Shirai, R.; Yoshida, K.; Takahashi, Y.; Ihara, R.; Fujiwara, T.; Tokuda, Y.; Yoko, T., 31PNMR and IR Study of Highly Water-stable SrO-BaO-Nb2O5-P2O5 Glass and Glass-ceramics Chemistry Letters 42, 1305-1307 (2013)
  39. Masai, H.; Yamada, Y.; Okumura, S.; Kanemitsu, Y.; Yoko, T., Photoluminescence of Te4+ center in zinc borate glass Optics Letters 38, 3780-3783 (2013)
  40. Masai, H.; Hino, Y.; Yanagida, T.; Fujimoto, Y.; Fukuda, K.; Yoko, T., Excitation light source dependence of emission in Sn2+-Ce3+ codoped ZnO-P2O5 glasses Journal of Applied Physics 114, [083502-1]-[083502-6] (2013)
  41. Masai, H.; Miyata, H.; Tanimoto, T.; Tokuda, Y.; Yoko, T., Preparation of Sn-Doped Zinc Phosphate Amorphous Thin Film and its Emission Properties Journal of American Ceramics Society 96, 382-384 (2013)
  42. Masai, H., Preparation of rare-earth-free oxide glass phosphors Journal of Ceramic Society of Japan 121, 150-155 (2013)
  43. Masai, H.; Tanimoto, T.; Fujiwara, T.; Matsumoto, S.; Tokuda, Y.; Yoko, T., Localized Sn2+ emission center independent of the optical basicity of zinc phosphate glass Chemistry Letters 42, 132-134 (2013)
  44. Masai, H.; Tanimoto, T.; Fujiwara, T.; Matsumoto, S.; Tokuda, Y.; Yoko, T., Correlation between emission property and concentration of Sn2+ center in the SnO-ZnO-P2O5 glass Optics Express 20, 27319-27326 (2012)
  45. Masai, H.; Yanagida, T.; Fujimoto, Y.; Koshimizu M.; Yoko, T., Scintillation Property of Rare Earth-free SnO-doped Oxide Glass Applied Physics Letters 101, [191906-1]-[191906-4] (2012)
  46. Masai, H.; Hamaguchi, K.; Iwasaki, K.; Ihara, R.; Takahashi, Y.; Fujiwara, T., Effect of melt temperature on the structure of BaO-TiO2-GeO2 glass Materials Research Bulletin 47, 4065-4070 (2012)
  47. Tokuda, Y.; Nishioka, S.; Ueda, Y.; Koyanaka, H.; Masai, H.; Takahashi, M.; Yoko, T., Preparation of proton-conductive organic–inorganic hybrid titanophosphite membranes Solid State Ionics 225, 232-235 (2012)
  48. Masai, H.; Hirakawa, K.; Yoshida, K.; Miyazaki, T.; Takahashi, Y.; Ihara, R.; Fujiwara, T., Formation of TiO2 Nanocrystallites in the TiO2–ZnO–B2O3–Al2O3 Glass-Ceramics Journal of American Ceramics Society 95, 3138-3143 (2012)
  49. 正井博和、藤原巧、松本修治、横尾俊信, 希土類フリー酸化物ガラス蛍光体の創製 化学工業 63, 753-757 (2012)
  50. Masai, H.; Hamaguchi, K.; Suzuki, Y.; Iwasaki, K.; Ihara, R.; Takahashi, Y.; Fujiwara, T. , Precipitation of Pt Nano-Crystallites from BaO-TiO2-GeO2 Re-Melted Glass Journal of Applied Physics 111, [123513-1]-[123513-5] (2012)
  51. Masai, H.; Matsumoto, S.; Fujiwara, T.; Tokuda, Y.; Yoko, T., Photoluminescent properties of Sb-doped phosphate glass Journal of American Ceramics Society 95, 862-865 (2012)
  52. Masai, H.; Tanimoto, T.; Fujiwara, T.; Matsumoto, S.; Takahashi, Y.; Tokuda, Y.; Yoko, T., Fabrication of Sn-doped zinc phosphate glass using a platinum crucible Journal of Non-Crystalline Solids 358, 265-269 (2012)
  53. Tokuda, Y.; Nishioka, S.; Ueda, Y.; Koyanaka, H.; Masai, H.; Takahashi, M.; Yoko, T., Organic–inorganic hybrid titanophosphite proton conductive membranes with graded monomer conversion Solid State Ionics 206, 22-27 (2012)
  54. Masai, H.; Fujiwara, T.; Matsumoto, S.; Takahashi, Y.; Iwasaki, K.; Tokuda, Y.; Yoko, T., High Efficient White Light Emission of Rare Earth-Free MnO-SnO-ZnO-P2O5 Glass Journal of Ceramic Society of Japan 119, 726-730 (2011)
  55. Yoshida, K.; Masai, H.; Takahashi, Y.; Ihara, R.; Fujiwara, T., Fabrication of Sr0.5Ba0.5Nb2O6-precipitated microstructured ceramics for photocatalytic application Journal of Ceramic Society of Japan 119, 731-735 (2011)
  56. Masai, H.; Ueno, T.; Takahashi, Y.; Fujiwara, T., Precipitation of ZnO in the Al2O3-doped zincborate glass-ceramics Optical Materials 33, 1980-1983 (2011)
  57. 正井博和, 白色発光を示す希土類フリーガラス蛍光体を開発 Ceramics Japan 7, 594 (2011)
  58. 正井博和、藤原巧、松本修治、横尾俊信, 希土類フリーガラス蛍光体の開発と応用 マテリアルステージ 11, 5-7 (2011)
  59. 正井博和、藤原巧、松本修治、横尾俊信, 希土類フリーガラス蛍光体の開発と応用 NEW GLASS 26, 20-25 (2011)
  60. Masai, H.; Ueno, T.; Takahashi, Y.; Fujiwara, T., Correlation between Surface-Crystallized ZnO and the Amount of Al2O3 in Borate-Based Glass-Ceramics Journal of American Ceramics Society 94, 2452-2457 (2011)
  61. Masai, H.; Fujiwara, T.; Matsumoto, S.; Takahashi, Y.; Iwasaki, K.; Tokuda, Y.; Yoko, T., White Light Emission of Mn-Doped SnO-ZnO-P2O5 Glass Containing No Rare Earth Cation Optics Letters 36, 2868-2870 (2011)
  62. Ando, M.; Takahashi, Y.; Iwasaki, K.; Masai, H.; Ihara, R.; Fujiwara, T., Fabrication and photoluminescent property of transparent nanocrystallized-glass in Li2O-ZnO-GeO2 system IOP Conf. Series: Materials Science and Engineering 18, 112002 (2011)
  63. Takahashi, Y.; Osada, M.; Masai, H.; Ihara, R.; Fujiwara, T., Nucleation and nanometric inhomogeneityin niobiogermanate glass: In-situ inelastic light scattering and TEM studies IOP Conf. Series: Materials Science and Engineering 18, 112009 (2011)
  64. Masai, H.; Takahashi, Y.; Fujiwara, T., Glass-Ceramics Containing Nano-Crystallites of Oxide Semiconductor Ceramic Materials 29-48 (2010)
  65. Takahashi, Y.; Fujie, N.; Osada, M.; Masai, H.; Ihara, R.; Fujiwara, T., Crystallization of Tungstenbronze-Type Ba2NaNb5O15 in High-Nb2O5-Content Glass: An Inelastic Light Scattering Study Journal of Applied Physics 108, [103519-1]-[103519-5] (2010)
  66. Takahashi, Y.; Ando, M.; Iwasaki, K.; Masai, H.; Fujiwara, T., Defect activation in willemite-type Zn2GeO4 by nanocrystallization. Applied Physics Letters 97, [071906-1]-[071906-3] (2010)
  67. Takahashi, Y.; Masai, H.; Osada, M.; Ihara, R.; Fujiwara, T., Formation of spherulite and Metastable Phase in Stoichiometric Ba2Si3O8 glass. Journal of Ceramic Society of Japan 118, 955-958 (2010)
  68. Takahashi, Y.; Iwafuchi, N.; Osada, M.; Masai, H.; Ihara, R.; Fujiwara, T., Inelastic light scattering from nanocrystallizing niobiotellurite glass: an insight into the metastable phase and phase-transition dynamics. Journal of Ceramic Society of Japan 118, 814-818 (2010)
  69. Masai, H.; Ueno, T.; Toda, T.; Takahashi, Y.; Fujiwara, T., Processing and photoluminescence properties of surface crystallized ZnO glass-ceramics. Journal of Non-Crystalline Solids 356, 3080-3084 (2010)
  70. Masai, H.; Kanamori, E.; Takahashi, Y.; Fujiwara, T., Surface crystallization of CaO-Bi2O3-B2O3-Al2O3-TiO2 glass using IR furnace. Journal of Non-Crystalline Solids 356, 2977-2979 (2010)
  71. Masai, H.; Ueno, T.; Takahashi, Y.; Fujiwara, T., Fabrication of surface crystallized glasses with α-Zn3B2O6 and their optical property. Journal of Non-Crystalline Solids 356, 2689-2692 (2010)
  72. Masai, H.; Toda, T.; Takahashi, Y.; Fujiwara, T., Fabrication of Bi-free TiO2 nano-crystallized glass. Journal of Non-Crystalline Solids 356, 2674-2676 (2010)
  73. Masai, H.; Takahashi, Y.; Fujiwara, T.; Matsumoto, S.; Yoko, T., High Photoluminescent Property of Low-Melting Sn-Doped Phosphate Glass. Applied Physics Express 3, [082102-1]-[082102-3] (2010)
  74. Masai, H.; Takahashi, Y.; Fujiwara, T.; Tokuda, Y.; Yoko, T., Precipitation of heterogeneous nanostructures: Metal nanoparticles and dielectric nanocrystallites. Journal of Applied Physics 108, [023503-1]-[023503-4] (2010)
  75. Takahashi, Y.; Masai, H.; Fujiwara, T.; Osada, M., Low-frequency inelastic light scattering of glassy Ba2TiGe2O8 during heating process. Key Engineering Materials 445, 225-228 (2010)
  76. Iwasaki, K.; Takahashi, Y.; Masai, H.; Fujiwara, T., Photoluminescence in Bazirite Crystal by Addition of Impurity ions. Key Engineering Materials 445, 221-224 (2010)
  77. Yamazaki, Y.; Masai, H.; Takahashi, Y.; Fujiwara, T., Thermal Property of BaO-TiO2-GeO2 glass and the crystallization behavior. Key Engineering Materials 445, 179-182 (2010)
  78. Masai, H.; Takahashi, Y.; Fujiwara, T.; Suzuki, T.; Ohishi, Y.., Correlation between NIR emission and bismuth radical species of Bi2O3-containing aluminoborate glass Journal of Applied Physics 106, [103523-1]-[103523-5] (2009)
  79. Yasunaga, H.; Masai, H.; Takahashi, Y.; Fujiwara, T., Pulsed laser induced nanostructure and thermal properties of bismuth borate glass Glass Technology; European Journal of Glass Science and technology 50, 288-292 (2009)
  80. Iwasaki, K.; Takahashi, Y.; Masai, H.; Fujiwara, T. , Blue photoluminescence, greenish-blue afterglow and their Ti-concentration dependence in rare earth-free bazirite-type BaZr1-xTixSi3O9 Optics Express 17, 18054-18062 (2009)
  81. Takahashi, Y.; Masai, H.; Osada, M.; Fujiwara, T., Precursive stage of nanocrystallization in niobium oxide-containing glass Applied Physics Letters 95, [071909-1]-[071909-3] (2009)
  82. Takahashi, Y.; Masai, H.; Fujiwara, T., Nucleation tendency and crystallizing phase in silicate glasses: A structural aspect Applied Physics Letters 95, [071904-1]-[071904-3] (2009)
  83. Takahashi, Y.; Osada, M.; Masai, H.; Fujiwara, T., Crystallization and nanometric heterogeneity in glass: In situ observation of the boson peak during crystallization. Physical Review B 79, [214204-1]-[214204-5] (2009)
  84. Takahashi, Y.; Osada, M.; Masai, H.; Fujiwara, T., Softer region at boundary of supercooled liquid-crystal in glassy fresnoite Applied Physics Letters 94, [241909-1]-[241909-3] (2009)
  85. Takahashi, Y.; Osada, M.; Masai, H.; Fujiwara, T., Structural heterogeneity and homogeneous nucleation of 1BaO-2SiO2 glass Applied Physics Letters 94, [211907-1]-[211907-3] (2009)
  86. Masai, H.; Suzuki, Y.; Takahashi, Y.; Mori, H.; Fujiwara, T., The correlation between the temperature of molten state and the SH intensity of 30BaO-15TiO2-55GeO2 crystallized glass Journal of the Ceramic Society of Japan 117, 671-674 (2009)
  87. Ohara, S.; Masai, H.; Takahashi, Y.; Fujiwara, T.; Kondo, Y.; Sugimoto, N., Space-selectively crystallized fiber with second-order optical nonlinearity for variable optical attenuation Optics Letters 34, 1027-1029 (2009)
  88. Masai, H.; Takahashi, Y.; Fujiwara, T., Addition effect of SnO in optical property of Bi2O3-containing aluminoborate glass Journal of Applied Physics 105, [083538-1]-[083538-4] (2009)
  89. Masai, H.; Toda, T.; Ueno, T.; Takahashi, Y.; Fujiwara, T., ZnO Glass-Ceramics; an Alternative Way to Produce Semiconductor Materials Applied Physics Letters 94, [151908-1]-[151908-3] (2009)
  90. Masai, H.; Toda, T.; Takahashi, Y.; Fujiwara, T., Fabrication of Anatase Precipitated Glass-Ceramics Possessing High Transparency Applied Physics Letters 94, [151910-1]-[151910-3] (2009)
  91. Ogawa, R.; Masai, H.; Takahashi, Y.; Mori, H.; Fujiwara, T.; Komatsu, T., Crystallization behavior of BaO-TiO2-GeO2 glass thin film Key Engineering Materials 388, 149-152 (2009)
  92. Masai, H.; Iwafuchi, N.; Takahashi, Y.; Fujiwara, T.; Ohara, S.; Kondo, Y.; Sugimoto, N., Preparation of crystallized glass for application in fiber-type devices Journal of Materials Research 24, 288-294 (2009)
  93. 大原盛輝、正井博和、高橋儀宏、藤原巧、近藤裕己、杉本直樹, 「光結晶化ファイバの創製と電気光学デバイス開発 ~パッシブからアクティブへ~」 NEW GLASS 24, 49-55 (2009)
  94. Takahashi, Y.; Masai, H.; Fujiwara, T., Anomalous boson behavior and nanometric heterogeneity in glassy fresnoite Applied Physics Express 1, [121901-1]-[121901-3] (2008)
  95. 藤原巧、高橋儀宏、正井博和, 「ガラスの結晶化/光結晶化と非線形光学応用」 セラミックス 43, 1036-1041 (2008)
  96. Masai, H.; Fujiwara, T.; Mori, H., Effect of SnO addition on optical absorption of bismuth borate glass and photocatalytic property of the crystallized glass Applied Physics Letters 92, [141902-1]-[141902-3] (2008)
  97. Masai, H.; Mizuno, S.; Fujiwara, T.; Mori, H.; Komatsu, T., Fabrication of metal nanocluster and nanoparticles in the CaO-Bi2O3-B2O3-Al2O3-TiO2 glass by irradiation of XeCl pulsed laser Optics Express 16, 2614-2620 (2008)
  98. Ohara, S.; Masai, H.; Takahashi, Y.; Fujiwara, T.; Kondo, Y.; Sugimoto, N., Variable optical attenuation using space-selectively crystallized fiber with second-order optical nonlinearity Proceedings on 34th European Conference on Optical Communication Th.3.C.5 (2008)
  99. Ohara, S.; Masai, H.; Takahashi, Y.; Fujiwara, T.; Kondo, Y.; Sugimoto, N., Fabrication of BaO-TiO2-GeO2-SiO2 based glass fiber Journal of the Ceramic Society of Japan 116, 1083-1086 (2008)
  100. Iwafuchi, N.; Masai, H.; Takahashi, Y.; Fujiwara, T.; Ohara, S.; Kondo, Y.; Sugimoto, N., Crystallization behavior of optical fibers with multi layered structure for nonlinear optical devices Journal of the Ceramic Society of Japan 116, 1115-1120 (2008)
  101. Ogawa, R.; Masai, H.; Takahashi, Y.; Fujiwara, T., Formation of fresnoite-type Ba2TiGe2O8 crystallites in BaO-TiO2-GeO2 glass thin film and its optical nonlinearity Journal of the Ceramic Society of Japan 116, 1130-1133 (2008)
  102. Takahashi, Y.; Iwasaki, K.; Masai, H.; Fujiwara, T., Raman spectroscopic study of benitoite-type compounds Journal of the Ceramic Society of Japan 116, 1139-1142 (2008)
  103. Takahashi, Y.; Masai, H.; Fujiwara, T.; Kitamura, K.; Inoue, S., Afterglow in synthetic bazirite, BaZrSi3O9. Journal of the Ceramic Society of Japan 116, 357-360 (2008)
  104. 藤原巧、正井博和, 「酸化チタン透明ナノ結晶化ガラスの創製-時空間レーザー結晶化制御によるガラスベース未来材料-」 未来材料 8, 22-28 (2008)
  105. Ogawa, R.; Masai, H.; Takahashi, Y.; Mori, H.; Fujiwara, T.; Komatsu, T., Fabrication of Ba2TiGe2O8 thin film with optical nonlinearity Japanese Journal of Applied Physics 46, 7145-7147 (2007)
  106. Masai, H.; Fujiwara, T.; Mori, H.; Benino, Y.; Komatsu, T., Dual layered surface crystallization of 30BaO-15TiO2-55GeO2 glass by stepwise heat treatment Journal of Applied Physics 101, [123505-1]-[123505-6] (2007)
  107. Masai, H.; Tsuji, S.; Fujiwara, T.; Benino, Y.; Komatsu, T., Structure and nonlinear optical properties of BaO-TiO2-SiO2 glass containing Ba2TiSi2O8 crystal Journal of Non-Crystalline Solids 353, 2258-2262 (2007)
  108. Masai, H.; Mizuno, S.; Fujiwara, T.; Benino, Y.; Komatsu, T.; Mori, H., Creation of locally selective mirror surface on 40BaO-40TiO2-20B2O3 glass by XeCl pulse laser irradiation Journal of Materials Research 22, 1270-1274 (2007)
  109. Masai, H.; Fujiwara, T.; Mori, H.; Komatsu, T., Fabrication of TiO2 nano-crystallized glass Applied Physics Letters 90, [081907-1]-[081907-3] (2007)
  110. Masai, H.; Fujiwara, T.; Benino, Y.; Komatsu, T.; Mori, H., Selective surface crystallization of non-stoichiometric 30BaO-15TiO2-55GeO2 glass Journal of Applied Physics 101, [033530-1]-[033530-4] (2007)
  111. Kakiuchida, H.; Takahashi, M.; Tokuda, Y.; Masai, H.; Yoko, T., Effects of Organic Groups on Structure and Viscoelastic Properties of Organic-Inorganic Polysiloxane Hybrid System Journal of Physical Chemistry B 111, 982-988 (2007)
  112. 正井博和、藤原巧, 「ナノ結晶化ガラスを用いた新規光学デバイスへの展開」 NEW GLASS 22, 33-39 (2007)
  113. Masai, H.; Fujiwara, T.; Benino, Y.; Komatsu, T.; Mori, H., Large second-order optical nonlinearity in 30BaO-15TiO2-55GeO2 surface crystallized glass with strong orientation Journal of Applied Physics 100, [023526-1]-[023526-4] (2006)
  114. Kakiuchida, H.; Takahashi, M.; Tokuda, Y.; Masai, H.; Kuniyoshi, M.; Yoko, T., Viscoelastic and Structural Properties of a Phenyl-Modified Polysiloxane System with a Three Dimensional Structure Journal of Physical Chemistry B 110, 7321-7327 (2006)
  115. 藤原巧,本間剛,高橋儀宏,正井博和,紅野安彦、小松高行、佐藤隆士, 「レーザー結晶パターニング法によるガラスの高機能性」 機能性ガラス・ナノガラスの最新技術 93-104 (2006)
  116. 横尾俊信,高橋雅英,徳田陽明,正井博和,新居田治樹, 「ゾル-ゲル法による有機-無機ハイブリッド低融点ガラスの作製およびその構造・物性」 21世紀の有機ケイ素化学 機能性物質科学の宝庫 239-245 (2004)
  117. Masai, H.; Takahashi, M.; Tokuda, Y.; Yoko, T., Gel-melting method for preparation of organically-modified siloxane low-melting glasses Journal of Material Research 20, 1234-1241 (2005)
  118. Masai, H.; Takahashi, M.; Tokuda, Y.; Yoko, T., Enhancement of polycondensation reaction by diethyl ether-aqueous NaOH immiscible two phase liquid treatment of phenyl-modified polysiloxane glass Journal of the Ceramic Society of Japan 113, 259-262 (2005)
  119. Masai, H.; Takahashi, M.; Tokuda, Y.; Yoko, T., Effect of the organic groups on the formation of siloxane network through gel-melting method 20th International Congress on Glass, Proceedings [11.009-1]-[11.009-5] (2004)
  120. Kakiuchida, H.; Takahashi, M.; Masai, H.; Kuniyoshi, M.; Tokuda, Y.; Yoko, T., Relationship between viscoelastic properties and structure of organic-inorganic hybrid glass and supercooled liquid consisting of R4-mSiOm/2 units 20th International Congress on Glass, Proceedings [07.054-1]-[07.054-6] (2004)
  121. Kurahashi, T.; Hata, T.; Masai, H.; Kitagawa, H.; Shimizu, M.; Hiyama, T., Geminal dimetalation of alkenylidene-type carbenoids with silylboranes and diborons Tetrahedron 58, 6381-6395 (2002)
  122. Hata, T.; Kitagawa, H.; Masai, H.; Kurahashi, T.; Shimizu, M.; Hiyama, T., Geminal difunctionalization of alkenylidene-type carbenoids by using interelement compounds Angewandte Chemie International Edition 40, 790-792 (2001)
  123. Shimizu, M.; Mizuno, K.; Inamasu, N.; Masai, H.; Hiyama, T., A facile synthesis of 1,3-disilacyclohexanes Inorganica Chimica Acta 296, 231-235 (1999)


Update: Jul 18,2017