Effect of Polytetrafluoroethylene additive on low-temperature synthesis of InN crystals via reaction of LiInO2 and NaNH2

被引：4
|
作者：
Miura, Akira [1 ]
Takei, Takahiro [1 ]
Kumada, Nobuhiro [1 ]
机构：
[1] Univ Yamanashi, Ctr Crystal Sci & Technol, Kofu, Yamanashi 4008511, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2014年 / 122卷 / 1421期
关键词：
Nitride; Low-temperature nitridation; Oxides; III-V semiconductors; Flux; IN2O3; NITRIDATION; NANOWIRES;
D O I：
10.2109/jcersj2.122.86
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：
We examined the effect of polymer polytetrafluoroethylene ( PTFE) additive on the growth of InN crystals by the nitridation of LiInO2 in NaNH2 flux at 240 degrees C. LiInO2 and NaNH2 powder were heated with/without PTFE pieces in a steel crucible located inside the PTFE-lined autoclave. The additive of PTFE pieces enhanced the decomposition of LiInO2 with the mass loss of these pieces and progressed the formation of InN and In(OH)(3) byproducts. SEM and TEM images of the products using PTFE additives showed the hexagonal InN crystals of similar to 1 mu m in size, and the optical bandgap of synthesized InN was estimated as similar to 2.03 eV. We presume that fluorine in PTFE additive subtracts Li from LiInO2 and enhances the growth of InN crystals. (C)2014 The Ceramic Society of Japan. All rights reserved.
引用
收藏
页码：86 / 88
页数：3
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