High Transparency Nd: Y2O3 Ceramics Prepared with La2O3 and ZrO2 Additives

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作者：
Zhang, Lei [1 ]
Huang, Zuocai [1 ]
Pan, Wei [1 ]
机构：
[1] Zhang, Lei
[2] Huang, Zuocai
[3] Pan, Wei
来源：
Pan, Wei | 1600年 / Blackwell Publishing Inc., Postfach 10 11 61, 69451 Weinheim, Boschstrabe 12, 69469 Weinheim, Deutschland, 69469, Germany卷
关键词：
High transparency Nd: Y2O3 ceramics were prepared by vacuum sintering with La2O3 and ZrO2 sintering additives. The optimum in-line transmittance of the sintered Nd: Y2O3 is 80.98% at the wavelength of 1100 nm; for which the content of La2O3 and ZrO2 are 10.0 and 3.0 at.%; respectively. This specimen demonstrates homogeneous microstructure with the average grain size of 8.3 μm. The mechanism of sintering with La2O3 and ZrO2 aids and the optical properties was discussed. The absorption; emission cross section; and fluorescence lifetime have been estimated as 1.62 × 10-20 cm2; 5.13; ×; 10-20; cm2; and; 232; μs; respectively. Vickers hardness and the fracture toughness were measured of 9.18 GPa and 1.03 Mpa·m1/2; respectively. All the results indicate that Nd: Y2O3 transparent ceramic is a promising candidate for laser material. © 2014 The American Ceramic Society;
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