Characterization of AlGaN, Te-doped GaN and mg-doped GaN grown by hydride vapor phase epitaxy

被引:2
|
作者
Jang, K. S. [1 ]
Kim, K. H. [1 ]
Hwang, S. L. [1 ]
Jeon, H. S. [1 ]
Ahn, H. S. [1 ]
Yang, M. [1 ]
Choi, W. J. [1 ]
Kim, S. W. [2 ]
Honda, Y. [3 ]
Yamaguchi, M. [3 ]
Sawaki, N. [3 ]
Yoo, J. [4 ]
Lee, S. M. [4 ]
Koike, M. [4 ]
机构
[1] Korea Maritime Univ, Dept Appl Sci, Pusan 606791, South Korea
[2] Andong Natl Univ, Dept Phys, Andong 760749, South Korea
[3] Nagoya Univ, Dept Electron, Nagoya, Aichi 4648603, Japan
[4] Samsung ElectroMech Co Ltd, Gyunggi, South Korea
关键词
D O I
10.1002/pssc.200673506
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The AlxGa1-xN, Te-doped GaN and Mg-doped GaN layers on GaN/A1(2)O(3) substrates are grown by mixed-source hydride vapor phase epitaxy (HVPE) method. The metallic Ga mixed with Al is used as group Ill source material to get the AlxGa1-xN layers. The values of the compositions x of the AI(x)Ga(1-x)N layers characterized by X-ray diffraction (XRD) measurements are 0.6 % similar to 80 % at the various temperatures of the source zone. The metallic Ga mixed with Te (or Mg) is used as source material for n-type (or p-type) doping. The electron concentrations of the Te-doped GaN layers are varied from 1.8 X 10(17) to 8.3 x 10(18)/cm(3). The hole concentrations of the Mg-doped GaN layers are varied from 1.5 x 10(16) to 3.2 x 10(16)/cm(3). We find that the mixed-source HVPE method is suitable to get a thick AlGaN layer with an arbitrary composition, a Te-doped GaN layer with a high n-type concentration and a Mg-doped GaN layer with p-type concentration.
引用
收藏
页码:133 / +
页数:2
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