Synthesis of nano-sized and highly sinterable Nd:YAG powders by the urea homogeneous precipitation method

被引：37

作者：

Lv, Yaohui ^{[1
]}

Zhang, Wei ^{[1
]}

Liu, Hong ^{[2
]}

Sang, Yuanhua ^{[2
]}

Qin, Haiming ^{[2
]}

Tan, Jie ^{[1
]}

Tong, Liuniu ^{[1
]}

机构：

[1] Anhui Univ Technol, Sch Mat Sci & Engn, Anhui Key Lab Met Mat & Proc, Maanshan 243002, Anhui, Peoples R China

[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

来源：

POWDER TECHNOLOGY | 2012年 / 217卷

关键词：

Nd:YAG nanopowders; Homogeneous precipitation; Sulfate ions; Transparent ceramic; TRANSPARENT YTTRIA CERAMICS; LOW-TEMPERATURE; OPTICAL-PROPERTIES; SULFATE-IONS; COPRECIPITATION SYNTHESIS; YAG NANOPOWDER; FABRICATION; MICROSTRUCTURE;

D O I：

10.1016/j.powtec.2011.10.020

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Neodymium-doped yttrium aluminum garnet (Nd:YAG) nanopowders were synthesized via the urea homogeneous precipitation method. The morphology and sintering property controlling effects of ammonium sulfate and urea during the synthesis process were discussed. Spawn-like and fibrillar precipitates were obtained without and with sulfate ions, respectively. Dispersive Nd:YAG nanopowder with proper sintering property was obtained with 1273 K calcination for 2 h from the precursor with 4.56 wt.% ammonium sulfate. Combined with the influence of the [urea]/[metal ions]([U]/[M]) concentration ratio, the dispersion, composition and morphology of the Nd:YAG nanopowders could be controlled via homogeneous precipitation process. A transparent Nd:YAG ceramic was achieved from the Nd:YAG powders obtained with 4.56 wt.% ammonium sulfate and a [U]/[M] concentration ratio of 40. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.

引用

页码：140 / 147

页数：8

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