Thermal Properties and Infrared Spectra of a Lead-Barium-Aluminum Phosphate Glass

Abstract

Abstract: Thermal properties of a recently-developed lead-barium-aluminum plLosphate glass were examined bymeans of differential thermal analysis. The glass exhibits a low melting temperature, relatively low glasstransition and softelting temperatures, and a high coefficient of thermal expansion. The infrared spectraof the glass are characterized by a very weak absorption band in the near-infrared region, the absence of acharacteristic P=O absorption band in the mid-infrared region, and three well-resolved absorption bands in the far-infrared region indicating the vibrational motion of aluminum, barium and lead ions at their network sites.

Key words: phosphate glass, thermal properties, infrarcd spectra

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GUO Gongyi,CHEN Yuli. Thermal Properties and Infrared Spectra of a Lead-Barium-Aluminum Phosphate Glass[J]. Journal of Inorganic Materials.

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https://www.jim.org.cn/EN/Y1997/V12/I2/223

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