Fabrication of Nd:YAG transparent ceramics with both TEOS and MgO additives

Hao Yang, Xianpeng Qin, Jian Zhang, Shiwei Wang, Jan Ma, Lixi Wang, Qitu Zhang

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Abstract

Neodymium doped YAG transparent ceramics were fabricated by vacuum reactive sintering method using commercial α-Al2O3, Y 2O3 and Nd2O3 powders as the starting materials with both tetraethyl orthosilicate (TEOS) and MgO as sintering aids. The morphologies and microstructure of the powders and Nd:YAG transparent ceramics were investigated. Fully dense Nd:YAG ceramics with average grain size of ∼10 μm were obtained by vacuum sintering at 1780 °C for 8 h. No pores and grain-boundary phases were observed. The in-line transmittance of the ceramic was 83.8% at 1064 nm.

Original languageEnglish
Pages (from-to)5274-5279
Number of pages6
JournalJournal of Alloys and Compounds
Volume509
Issue number17
DOIs
StatePublished - 28 Apr 2011

Keywords

  • Additives
  • MgO
  • Nd:YAG
  • TEOS
  • Transparent ceramics

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