Microanalysis of single-phase AlN nanocrystals and AlN-Al nanocomposites prepared by DC arc-discharge

被引:21
|
作者
Yu, S [1 ]
Li, DM [1 ]
Sun, HP [1 ]
Li, HD [1 ]
Yang, HB [1 ]
Zou, GT [1 ]
机构
[1] Jilin Univ, Natl Lab Super Hard Mat, Changchun 130023, Peoples R China
关键词
aluminum nitride; nanocrystals; nanocomposites; transmission electron microscopy; microanalysis; electron dispersive spectroscopy;
D O I
10.1016/S0022-0248(97)00425-9
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
AlN nanocrystals and AlN-Al nanocomposites of < 100 nm size were prepared by the direct current (DC) arc-discharge plasma evaporation of aluminum in an ambient of N-2 + NH3. The analysis of these two kinds of nanoparticles revealed that the AlN nanocrystals were single phase and single crystal. The AlN-Al nanocomposites were composed of AlN single-crystals embedded in amorphous aluminum phase. The crystallographic features and formation mechanisms for these two kinds of nanoparticles are discussed. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:284 / 288
页数:5
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