Fabrication of transparent Nd:YAG ceramics by vacuum sintering with CaF₂ and tetraethoxysilane additives

Authors: Meng, Q. X.¹; Liang, B. Y.²; Li, H. Y.³; Su, C. H.⁴; Jin, S. Z.³

Source: Materials Science and Technology, Volume 25, Number 8, August 2009 , pp. 1062-1064(3)

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Abstract:

Nd:YAG ceramics with CaF₂ and tetraethoxysilane (TEOS) as sintering additives were fabricated by vacuum sintering at 1750°C for 5 h and the microstructures were characterised using X-ray diffraction and scanning electron microscopy. Scanning electron microscopy result shows that the sintered bulk doped with TEOS contains many pores in the grains. The bulk doped with CaF₂ displays uniform microstructure. The average size of the grains is 10 mm and few pores can be detected in this sintered bulk. The maximum transmittance of the sintered Nd:YAG ceramics were 44% doped with CaF₂ and 14% doped with TEOS.

Keywords: ND:YAG CERAMICS; CAF2; TRANSMITTANCE; TEOS; VACUUM SINTERING

Document Type: Short Communication

DOI: http://dx.doi.org/10.1179/174328408X296042

Affiliations: 1: Changchun University of Science and Technology, Changchun 130022, China, Changchun University of Technology, Changchun 130012, China;, Email: mengqx@mail.ccut.edu.cn 2: Yanshan University, Qinhuangdao 066004, China 3: Changchun University of Technology, Changchun 130012, China 4: Changchun University of Science and Technology, Changchun 130022, China, Jilin Teacher's Institute of Engineering and Technology, Changchun 130052, China

Publication date: 2009-08-01

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