中国物理B ›› 2015, Vol. 24 ›› Issue (6): 66105-066105.doi: 10.1088/1674-1056/24/6/066105

所属专题: TOPICAL REVIEW — III-nitride optoelectronic materials and devices

• TOPICAL REVIEW—III-nitride optoelectronic materials and devices • 上一篇    下一篇

Progress in bulk GaN growth

徐科a b, 王建峰a b, 任国强a b   

  1. a Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, China;
    b Suzhou Nanowin Science and Technology Co., Ltd., Suzhou 215123, China
  • 收稿日期:2015-05-04 修回日期:2015-05-11 发布日期:2015-06-25
  • 基金资助:

    Project supported by the National Natural Science Foundation of China (Grant Nos. 61325022 and 11435010), the National Basic Research Program of China (Grant No. 2012CB619305), and the National High Technology Research and Development Program of China (Grant No. 2014AA03260).

Progress in bulk GaN growth

Xu Ke (徐科)a b, Wang Jian-Feng (王建峰)a b, Ren Guo-Qiang (任国强)a b   

  1. a Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou 215123, China;
    b Suzhou Nanowin Science and Technology Co., Ltd., Suzhou 215123, China
  • Received:2015-05-04 Revised:2015-05-11 Published:2015-06-25
  • Contact: Xu Ke E-mail:kxu2006@sinano.ac.cn
  • About author:61.72.uj; 81.05.Ea; 81.10.Bk; 61.72.-y
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Grant Nos. 61325022 and 11435010), the National Basic Research Program of China (Grant No. 2012CB619305), and the National High Technology Research and Development Program of China (Grant No. 2014AA03260).

摘要:

Three main technologies for bulk GaN growth, i.e., hydride vapor phase epitaxy (HVPE), Na-flux method, and ammonothermal method, are discussed. We report our recent work in HVPE growth of GaN substrate, including dislocation reduction, strain control, separation, and doping of GaN film. The growth mechanisms of GaN by Na-flux and ammonothermal methods are compared with those of HVPE. The mechanical behaviors of dislocation in bulk GaN are investigated through nano-indentation and high-space resolution surface photo-voltage spectroscopy. In the last part, the progress in growing some devices on GaN substrate by homo-epitaxy is introduced.

关键词: nitride semiconductor, bulk GaN, hydride vapor phase epitaxy (HVPE), dislocation

Abstract:

Three main technologies for bulk GaN growth, i.e., hydride vapor phase epitaxy (HVPE), Na-flux method, and ammonothermal method, are discussed. We report our recent work in HVPE growth of GaN substrate, including dislocation reduction, strain control, separation, and doping of GaN film. The growth mechanisms of GaN by Na-flux and ammonothermal methods are compared with those of HVPE. The mechanical behaviors of dislocation in bulk GaN are investigated through nano-indentation and high-space resolution surface photo-voltage spectroscopy. In the last part, the progress in growing some devices on GaN substrate by homo-epitaxy is introduced.

Key words: nitride semiconductor, bulk GaN, hydride vapor phase epitaxy (HVPE), dislocation

中图分类号:  (III-V and II-VI semiconductors)

  • 61.72.uj
81.05.Ea (III-V semiconductors) 81.10.Bk (Growth from vapor) 61.72.-y (Defects and impurities in crystals; microstructure)