A new route to synthesize SiC-AlN solid solution whiskers

被引：7
|
作者：
Liu, Guanghua [1 ,2 ]
Chen, Kexin [1 ]
Li, Jiangtao [2 ]
Zhou, Heping [1 ]
Mei, Lin [2 ]
机构：
[1] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[2] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
来源：
CRYSTAL GROWTH & DESIGN | 2008年 / 8卷 / 08期
关键词：
D O I：
10.1021/cg701130k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
SiC-AlN solid solution whiskers have been synthesized by heating a mixture of alpha-Si3N4, Al2O3, MgO, and Y2O3 in a graphite crucible in a N-2 atmosphere. The as-synthesized whiskers are well-crystallized with a width of 0.5-5 mu m and a length of 0.1-1 mm. According to the experimental and thermodynamical calculation results, the formation mechanism of SiC-AlN solid solution is discussed. It is proposed that the SiC-AlN whiskers are produced via the vapor-solid (VS) process.
引用
收藏
页码：2834 / 2837
页数：4
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