Oxygen Doping Effects on Thermal Properties of ZrF4-BaF2 Glasses Synthesized by Plasma-Enhanced Chemical Vapor Deposition

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Copyright (c) 1991 The Japan Society of Applied Physics
, , Citation Kazuo Fujiura et al 1991 Jpn. J. Appl. Phys. 30 L2113 DOI 10.1143/JJAP.30.L2113

1347-4065/30/12B/L2113

Abstract

Oxygen-doped ZrF4-based fluoride glass film is synthesized by plasma-enhanced chemical vapor deposition (PCVD) and the effects of oxygen doping on thermal properties are investigated. The oxygen-doped fluoride glass film has a slightly higher glass-transition temperature and a wider Tx-Tg gap than fluoride glass prepared by the melt-casting method without oxygen doping. The glass forming region in the ZrF4-BaF2 system is significantly improved by oxygen doping. Oxygen ions, which are distributed homogeneously in the fluoride glass film by PCVD, strengthen the structural network of the fluoride glass, which improves its stability against crystallization.

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10.1143/JJAP.30.L2113