SOME PROPERTIES OF ALUMINUM-NITRIDE POWDER PREPARED BY METAL-ORGANIC CHEMICAL-VAPOR-DEPOSITION

被引:10
|
作者
KUBO, K [1 ]
ITATANI, K [1 ]
HOWELL, FS [1 ]
KISHIOKA, A [1 ]
KINOSHITA, M [1 ]
机构
[1] SOPHIA UNIV, FAC SCI & ENGN, DEPT CHEM, CHIYODA KU, TOKYO 102, JAPAN
关键词
D O I
10.1016/0955-2219(95)00039-W
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Ultrafine aluminium-nitride (AlN) powders with primary particle sizes of 10-20 nm were prepared by a metal-organic chemical vapour deposition (MOCVD): trimethylaluminium (Al(CH3)(3)), triethylaluminium (Al(C2H5)(3)) and triisobutylaluminium (Al(i-C4H9)(3))-vapours were reacted with ammonia (NH3) at 1050 degrees C. the sintered compacts with relative densities of similar to 95% could be fabricated by firing these compressed powders at temperatures as low as 1600 degrees C. The relative densities of the Al(CH3)(3)-derived and Al(C2H5)(3)-derived compacts fired at 1800 degrees C for 10 h attained similar to 98%. the oxygen contents of these compacts were 1.8 and 4.7%, respectively.
引用
收藏
页码:661 / 666
页数:6
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