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Oxynitride Glasses

2008; Wiley; Volume: 5; Issue: 2 Linguagem: Inglês

10.1111/j.1744-7402.2008.02205.x

1744-7402

Stuart Hampshire, Michael J. Pomeroy,

Ferroelectric and Piezoelectric Materials

Oxynitride glasses are grain boundary phases within silicon nitride ceramics. The desire to understand their nature led to various investigations on oxynitride glass formation, structure, properties, and crystallization. This paper provides a review of oxynitride glasses and outlines the effect of glass chemistry, including nitrogen contents and cation ratios, on properties such as glass transition temperature, Young's modulus, and viscosity and relates this to structural features within the glass. A short outline of crystallization of oxynitride glasses to form glass–ceramics is presented.