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无机材料学报

无机材料学报

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液相共沉淀法制备钆镓石榴石(Gd3Ga5O12,GGG)多晶原料

赵广军1; 李涛1; 何晓明1; 徐军1; 肖筱华2; 赵鹤明2   

  1. 1. 中国科学院上海光学精密机械研究所, 上海 201800; 2. 苏州大学通信与电子工程系, 苏州 215021
  • 收稿日期:2001-05-30 修回日期:2001-06-13 出版日期:2002-05-20 网络出版日期:2002-05-20

Preparation of Gd3Ga5O12(GGG) Polycrystalline Material by Liquid-phase Co-deposition Synthesis Method

ZHAO Guang-Jun1; XIAO Xiao-Hua2; LI Tao1; HE Xiao-Ming1; ZHAO He-Ming2; XU Jun1   

  1. 1. Shanghai Institute of Optics and Fine Mechanics; Chinese Academy of Sciences; Shanghai 201800; China; 2. Suzhou University; Suzhou 215021; China
  • Received:2001-05-30 Revised:2001-06-13 Published:2002-05-20 Online:2002-05-20

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摘要： 采用液相共沉淀的方法制备了钆镓石榴石(ＧＧＧ)的多晶原料,给出了液相合成ＧＧＧ多晶料的工艺步骤及其条件．就组分Ｇｄ２Ｏ３和Ｇａ２Ｏ３的配比,滴定氧化物溶解的混合溶液使其沉淀的ｐＨ值,共沉淀后烧结温度以及烧结时间等影响ＧＧＧ多晶料合成的重要因素进行了讨论．通过和固相合成ＧＧＧ多晶料的条件比较可知,液相合成ＧＧＧ多晶原料的工艺具有合成的ＧＧＧ多晶料均匀充分、合成温度低与烧结时间短等优点．

关键词: 共沉淀法, 烧结, Gd3Ga5O12, 多晶料

Abstract: A gadolinium gallium garnet (Gd3Ga5O12,GGG) polycrystalline material was prepared by a liquid-phase co-deposited synthesis method. The optimized
procedure and the conditions for preparing the GGG polycrystalline material by the liquid-phase method were reported. The effects of the compositional proportion
of Gd2O3 and Ga2O3, pH value of titration, synthesis temperature and sintering time on preparing GGG polycrystalline powders were also discussed. By
comparison with the preparation of GGG polycrystalline material by solid-state reaction process, the liquid-phase synthesis method possesses the merits of lower
synthesis temperature and shorter sintering time. At the same time, the GGG polycrystalline material prepared by the liquid-phase
co-deposited method has high uniformity and exact stoichiometric composition.

Key words: liquid-phase co-deposition, Gd3Ga5O12, sintering, polycrystalline charge

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