Startseite Fabrication of transparent Nd:YAG ceramic by vacuum sintering with CaF2 additive
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Fabrication of transparent Nd:YAG ceramic by vacuum sintering with CaF2 additive

  • Qingxin Meng , Baoyan Liang , HaiYun Li , Chunhui Su und Songze Jin
Veröffentlicht/Copyright: 17. August 2013
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Abstract

Neodymium-doped yttrium aluminum garnet (Nd:YAG) ceramics were fabricated via a solid-state reaction method using high-purity Y2O3, Al2O3 and Nd2O3 powders as the raw materials. The mixed powder compacts were sintered at 1 750 °C for 5 h under vacuum. The Nd:YAG bulk without doped CaF2 was opaque. A transparent Nd:YAG ceramic was obtained with tiny amounts of CaF2 addition. The bulk had a uniform microstructure containing grains with an average size of 20 μm. No porosity could be detected in the sintered bulk. The maximum optical transmittance of the sample is 44 % in the visible range.

Keywords: CaF2; Sintering; Nd:YAG

* Correspondence address, Prof. Qingxin Meng, Dept. of Materials Science and Engineering, Changchun University of Technology, Changchun, 130022, P. R. China, Tel.:+86-431-85716600, Fax: +86-431-85914756, E-mail:

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Received: 2008-8-15
Accepted: 2012-7-23
Published Online: 2013-08-17
Published in Print: 2013-02-15

© 2013, Carl Hanser Verlag, München

Heruntergeladen am 16.11.2025 von https://www.degruyterbrill.com/document/doi/10.3139/146.110847/pdf?lang=de
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