Structural Studies on Alkaline Earth Vanadate Glasses (Part 1)

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  • アルカリ土類金属バナジン酸塩ガラスの構造研究 (第1報)
  • アルカリ ドルイ キンゾク バナジンサンエン ガラス ノ コウゾウ ケンキュウ
  • IR Spectroscopic Study
  • 赤外分光法による研究

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Abstract

The structure of alkaline earth vanadate glasses of the compositions, xMO⋅(100-x)V2O5 (M=Mg, Ca, Sr, Ba, x=30, 40, 45, 50, 55), has been investigated by means of IR spectroscopy with reference to various crystalline alkaline earth vanadates structurally known. It is found that the structure of alkaline earth vanadate glasses is very similar to each other and mainly consists of VO4-tetrahedra which form either (VO3)n-sin-gle chains as found in Sr(VO3)2 and Ba(VO3)2 crystals or the three dimensional arrangement of the cornersharing branched VO4-tetrahedral groups as found in molten and amorphous V2O5. It is stressed that the glass network of the V2O5-rich glasses, 30MO⋅70V2O5, also mainly consists of VO4-tetrahedra.

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