Synthesis Parameters of Ultrafine YAG Powder Materials via Hydrothermal Precipitation Method

Abstract:

YAG materials has a number of unique properties, the application is very extensive. In this paper, the superfine YAG powder materials were prepared by hydrothermal precipitation method. The influence of synthesis process on the morphology of the powder was investigated. The results showed that when the molar ratio of salt to alkali that Y³⁺: OH^- is 1:8, the more uniform morphology of the particles can be prepared, when the molar ratio of salt to alkali is increased, the morphology of the particles will not change. The reaction time is longer, the particle size will be thicker. The smaller the concentration of Y³⁺ ions is, the larger the particle size will be small. The experimental results show that the rod-like particles have a poly-crystal structure at the reaction temperature of 200°C, reaction time of 2 days and the molar ratio of salt to alkali of 1:8. The diameter of the rod-like particles is most of the powders have a particle size of 1000 nm and a small amount of powder has a particle size of about 5000 nm. The purity of powder is higher through the test of XRD.

• Periodical: Solid State Phenomena (Volume 279)
• Pages: 99-103
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.279.99
• Online since: August 2018
• Authors: Min Han Xu, Ai Xia Chen, Rui Hua Wang, Long Tao Liu, Zhi Hui Li, Shi Bin Li, Jie Guang Song*, Lin Chen, Cheng Wei Hao
• Keywords: Hydrothermal Precipitation Method, Synthesis Parameters, Ultra-Fine Powder, YAG

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