Low-temperature synthesis and photoluminescence of AlN

被引：70
|
作者：
Lan, YC [1 ]
Chen, XL
Cao, YG
Xu, YP
Xun, LD
Xu, T
Liang, JK
机构：
[1] Chinese Acad Sci, Inst Phys, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[2] Peking Univ, State Key Lab Chem & Applicat Rare Earth Mat, Beijing 100080, Peoples R China
[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 1999年 / 207卷 / 03期
基金：
中国国家自然科学基金;
关键词：
wurtzite AlN; synthesis; PL spectrum;
D O I：
10.1016/S0022-0248(99)00448-0
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
High-quality aluminum nitride powder was obtained through the reaction of aluminum metal with ammonia at 450 degrees C in an autoclave. The synthesized powder was characterized by X-ray powder diffraction, high-resolution transmission electron microscopy (HRTEM) and photoluminescence spectrum. X-ray diffraction and HRTEM indicated that the powder consisted of wurtzite AIN with an average size of about 32 nm. Photoluminescence spectrum confirmed the existence of a blue luminescence band in AIN due to nitrogen vacancies. A possible low-temperature synthesis mechanism was discussed. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：247 / 250
页数：4
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