Transmittance and cathodoluminescence of AlN ceramics sintered with Ca3Al2O6 as sintering additive

被引:13
作者
Honma, Takayuki [1 ]
Kuroki, Yuichiro [1 ]
Okamoto, Tomoichiro [1 ]
Takata, Masasuke [1 ]
Kanechika, Yukihiro [2 ]
Azuma, Masanobu [2 ]
Taniguchi, Hitofumi [3 ]
机构
[1] Nagaoka Univ Technol, Dept Elect Engn, Niigata 9402188, Japan
[2] Tokuyama Corp, Adv Mat Dev Dept, Yamaguchi 7458648, Japan
[3] Tokuyama Corp, Tsukuba Res Lab, Ibaraki 3004247, Japan
关键词
transmittance; cathodoluminescence; aluminum nitride; Ca3Al2O6;
D O I
10.1016/j.ceramint.2007.09.062
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
Aluminum nitride ceramics were prepared by sintering with 0 - 4.8 mass% of Ca3Al2O6 (C(3)A) as a sintering additive. The transmittance in the range of 260 - 550 nm increased with increasing amount of C(3)A. The cathodoluminescence intensity attributed to oxygen-induced defects decreased with increasing amount of C(3)A. From the results, the increase of the transmittance in the range of 260 - 550 nm was considered to be related to the decrease of the oxygen-induced defect density. (c) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码:943 / 946
页数:4
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