Low-temperature synthesis and photoluminescence of AlN

被引：71

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

页码：247 / 250

页数：4

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