Influences of hot-pressing conditions on the optical properties of lanthanum sulfide ceramics

Peisen Li, Wanqi Jie, Huanyong Li

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16 Scopus citations

Abstract

The Ca-doped Î-La2S3 (Î-La 2S3:Ca) powders with various La/Ca ratios were prepared using the coprecipitation method. The Î-La2S3:Ca powders with a ratio of La/Ca=5 was selected for sintering in order to study the effects of hot-pressing temperature and time on the microstructure and optical properties of Î-La2S3:Ca ceramics. The results showed that 1100°C for 1 h were the optimum hot-press parameters, at which the maximum transmittance of Î-La2S3:Ca ceramics up to 40% at 13 μm was obtained.

Original languageEnglish
Pages (from-to)1162-1166
Number of pages5
JournalJournal of the American Ceramic Society
Volume94
Issue number4
DOIs
StatePublished - Apr 2011

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