共沉淀冻干法制备钇铝石榴石纳米粉体的研究

周志鹏; 杨付; 陈晶; 高宪娥; 陈中文

doi:doi:10.3788/lop48.101602

激光与光电子学进展, 2011, 48 (10): 101602, 网络出版: 2011-08-22

共沉淀冻干法制备钇铝石榴石纳米粉体的研究

Synthesis of Yttrium Aluminum Garnet by Co-precipitation-Freeze Drying

论文大纲

周志鹏 ^*杨付陈晶高宪娥陈中文

作者单位

邯郸净化设备研究所，河北邯郸 056027

材料钇铝石榴石纳米粉体共沉淀冻干法 materials yttrium aluminum garnet nano-particles co-precipitation-freeze drying

摘要

透明钇铝石榴石（YAG）陶瓷以其优异的光学、力学、热学性能而成为固体激光器的极佳基体材料，而制备出高质量透明陶瓷的关键在于合成出晶相纯、粒度均匀、分散性好的YAG粉体。现以高纯A1(NO3)3·9H2O，Y(NO3)3·6H2O为原料，以NH4HCO3为沉淀剂，采用共沉淀冻干法制备YAG纳米粉体，并用扫描量热热重（DSC/TG）分析仪，X射线衍射仪(XRD)，扫描电子显微镜(SEM)、激光粒度仪等测试手段对粉体的晶相组成、形貌和结构进行表征。结果表明，在1200 ℃焙烧后所制备的YAG纳米粉体晶相完整、纯度高、形状规则、粒径均匀、团聚轻。

Abstract

Yttrium Aluminum Garnet (YAG) has become a favorite solid laser basis material for its significant optical, mechanical and thermal properties. It′s the key point to synthesize YAG nano-particles with well-crystallized, uniform grain, good dispersion for perfect transparent ceramic. Loosely dispersed YAG nano-particles and pure cubic crystal phase are synthesized by co-precipitation-freeze drying method，using higher purity A1(NO3)3·9H2O, Y(NO3)3·6H2O and NH4HCO3 as raw materials. The YAG nano-particles are characterized by DSC/TG, X-Ray diffractometer (XRD), scanning electron microscope (SEM) and laser granulometer, etc. After calcined at 1200 ℃, the well-crystallized YAG nano-particles are obtained with higher purity, weak agglomeration, uniform grain size and regular shape.

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周志鹏, 杨付, 陈晶, 高宪娥, 陈中文. 共沉淀冻干法制备钇铝石榴石纳米粉体的研究[J]. 激光与光电子学进展, 2011, 48(10): 101602. Zhou Zhipeng, Yang Fu, Chen Jing, Gao Xian′e, Chen Zhongwen. Synthesis of Yttrium Aluminum Garnet by Co-precipitation-Freeze Drying[J]. Laser & Optoelectronics Progress, 2011, 48(10): 101602.

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