Effects of chloride substitution on the chemical and physical properties and the crystallization behavior in heavy metal fluoride glasses

  • Yu C
  • Zhang J
  • Wang G
 et al. 
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Abstract

Effect of the substitutions of chloride for fluoride on the chemical and physical properties and the crystallization behavior in heavy metal fluoride glasses has been investigated. The characteristic temperature of the glass does not changed obviously when the fluoride was taken place by chloride. Compared with samples of being free of ErF3, the doping samples are more inclined to be surface crystallization. Optical basicity in the glass system increases with increasing the negative charge provided by the chloride atoms and the absorption peak red shifted is observed in absorption spectra. XRD measurements show that not a single crystalline phase appears in the heated glass samples, which indicate the substitutions of chloride for fluoride with a variety of crystalline precipitation trends. © 2007 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Glasses
  • Optical materials
  • Optical properties

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Authors

  • Chunlei Yu

  • Junjie Zhang

  • Guonian Wang

  • Zhonghong Jiang

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