リチウム珪酸塩ガラスにおけるLi-O-Li結合の形成

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書誌事項

タイトル別名
  • Formation of Li-O-Li Bond in Lithium Silicate Glasses
  • リチウム ケイサンエン ガラス ニ オケル Li-O-Li ケツゴウ ノ ケイセイ ケンキュウ ソクホウ エイブン

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説明

Formation of Li-O-Li bond in Li2O⋅xSiO2 (x=2 or 2.5) glasses obtained through a particular melting process was confirmed. The glasses were prepared by rapid quenching or slow cooling from a given temperature above the liquidus at which the melts were held for an hour after refined at 1450°-1500°C for several hours.<br>Two characteristic absorption peaks near 1480 and 1430 cm-1 are found only in the IR spectra of the samples obtained by rapid quenching from a temperature above ca. 1250°C. These peaks were attributed to Li-O-Li bond formed in the glasses. Formation of Li-O-Li bond in the glasses are explained in terms of the dissociation equilibrium in the melts at high temperatures. 1 fig., 2 refs.

収録刊行物

  • 窯業協會誌

    窯業協會誌 81 (937), 401-402, 1973

    公益社団法人 日本セラミックス協会

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