Fabrication of Transparent Silica Glass by Powder Sintering Method Aiming Desired Shape Molding

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  • 切削不要・微細表面構造を有する透明シリカガラス焼結体の作製
  • セッサク フヨウ ・ ビサイ ヒョウメン コウゾウ オ ユウスル トウメイ シリカガラス ショウケツタイ ノ サクセイ

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<p>In this paper, we present a procedure for fabricating transparent silica glass that uses a mesoporous SiO2-PVA(poly(vinyl alcohol)) nanocomposite as a silica glass precursor. By sintering the nanocomposite in air at 1100°C, monolithic trasnsparent silica glass was obtained with no crack. Micropatterns on the nanocomposite were fabricated by room-temperature imprinting. Micropatterned silica glass was obtained by sintering the nanocomposite at 1100°C in air. The sintered glass possessed various color photoluminescence (PL) under UV irradiation, depending on the kind of rare earth and transition metal ions.</p>

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