摘要
掺铈钆镓铝基石榴石陶瓷Gd_(3)(Al_(1-x)Ga_(x))_(5)O_(12)∶Ce(GAGG∶Ce)具有高光输出、短余辉、快衰减以及高X射线阻止能力等特性,使其在医学成像、高能射线检测及高功率LED照明等领域具有广阔的应用前景,成为近些年的研究热点。高性能GAGG透明陶瓷的制备依赖于制备超细、高分散、无团聚、高烧结活性的纳米粉体技术。本文综述了近年来国内外研究人员对化学共沉淀法合成GAGG纳米粉体所取得的研究进展,分析了共沉淀法制备粉体的相关机理及影响粉体性能的主要因素,并展望了化学共沉淀法制备高性能钆镓铝基石榴石粉体的研究前景及发展方向。
Cerium-doped gadolinium gallium aluminum-based garnet ceramics Gd_(3)(Al_(1-x)Ga_(x))_(5)O_(12)∶Ce(GAGG∶Ce) have the properties of high light output,short afterglow,fast attenuation,and high X-ray blocking ability,which make them a research hot spot in recent years with a wide range of applications in the fields of medical imaging,high-energy ray detection,and high-power LED lighting.The preparation of high-performance GAGG transparent ceramics relies on the technology of preparing ultrafine,highly dispersed,non-agglomerated,and high sintering activity nanopowders.This paper reviews the research progress made by domestic and foreign researchers in recent years on the synthesis of GAGG nanopowders by the chemical co-precipitation method,analyzes the related mechanism of powder preparation by the co-precipitation method and the main factors affecting the performance of the powder,and looks forward to the research prospects and development direction of the preparation of high-performance gadolinium gallium aluminum-based garnet powders by the chemical co-precipitation method.
作者
杨晓荣
董广志
靳亚明
苏欢欢
周龙
樊慧庆
王宇
YANG Xiaorong;DONG Guangzhi;JIN Yaming;SU Huanhuan;ZHOU Long;FAN Huiqing;WANG Yu(School of Advanced Materials and Nanotechnology,Xidian University,Xi'an 710126,China;State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072,China;Meishan Boya Advanced Materials Co.,Ltd.,Meishan 620000,China)
出处
《铸造技术》
CAS
2023年第10期889-898,共10页
Foundry Technology
基金
国家自然科学基金(51902258)
凝固技术国家重点实验室开放课题(SKLSP202213,SKLSP202218)
中央高校基本科研业务费(ZYTS23087)。
关键词
共沉淀法
石榴石结构
GAGG粉体
透明陶瓷
co-precipitation method
garnet structure
GAGG powder
transparent ceramics
