Preparation and Properties of Cr,Nd:YAG Transparent Ceramics by Slip Casting

Abstract:

In this paper transparent chromium and neodymium co-doped YAG ceramics were prepared by slip casting and vacuum sintering using high purity Al₂O₃, Y₂O₃, Nd₂O₃ and Cr₂O₃ powders. After mixing the high purity Al₂O₃, Y₂O₃, Nd₂O₃ and Cr₂O₃ powders under the appropriate percentages, pure phase Cr-Nd-doped YAG powders were preparated via calcining at 1300°C for 2 hours. The slurry with the solid content of 40% was casted by self-pressure slip casting under 25°C and 60% humidity to obtain green body. The green body was dried for 96 hours at 33 °C and 75% humidity and then sintered at 1800 °C for 10 hours in vacuum to obtain Cr,Nd:YAG ceramics finally. The transmittance of 1.0 at.%Cr,1.0 at.% Nd:YAG is nearly 80% at 1064nm, and two absorption peaks of Nd³⁺ can be seen near 760 nm and 808 nm.

• Periodical: Solid State Phenomena (Volume 281)
• Pages: 723-728
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.281.723
• Online since: August 2018
• Authors: Xiu Juan Wan, Ying Chun Zhang*, Man Wang, Yang Liu, Yu Sha Li
• Keywords: Slip Casting, Transparent Ceramic, YAG

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