Growth of Semipolar (11(2)over-bar2) GaN Layer by Controlling Anisotropic Growth Rates in r-Plane Patterned Sapphire Substrate

被引:95
作者
Okada, Narihito [1 ]
Kurisu, Akihiro [1 ]
Murakami, Kazuma [1 ]
Tadatomo, Kazuyuki [1 ]
机构
[1] Yamaguchi Univ, Grad Sch Sci & Engn, Yamaguchi 7558611, Japan
基金
日本学术振兴会;
关键词
SELECTIVE MOVPE; FILMS;
D O I
10.1143/APEX.2.091001
中图分类号
O59 [应用物理学];
学科分类号
摘要
Semipolar (11 (2) over bar2) GaN was achieved by controlling anisotropic growth rates in a maskless r-plane patterned sapphire substrate. Upon optimizing the growth conditions, the growth rate of the GaN layer on etched c-plane-like sapphire was much higher than that on other planes such as the original r-plane sapphire. Singularly (11 (2) over bar2)-oriented GaN was confirmed when GaN was grown on only the c-plane-like sapphire sidewall. The control of the anisotropic growth rate is useful for growing nonpolar and semipolar layers using maskless patterned substrates. (C) 2009 The Japan Society of Applied Physics
引用
收藏
页数:3
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