Ohmic Contact Properties Depending on AlGaN Layer Thickness for AlGaN/GaN High Electron Mobility Transistor Structures

被引:8
作者
Takei, Yusuke [1 ]
Okamoto, Mari [1 ]
Saito, Wataru [2 ]
Tsutsui, Kazuo [1 ]
Kakushima, Kuniyuki [1 ]
Wakabayashi, Hitoshi [1 ]
Kataoka, Yoshinori [3 ]
Iwai, Hiroshi [3 ]
机构
[1] Tokyo Inst Technol, Dept Elect & Appl Phys, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268502, Japan
[2] Toshiba Corp Semicond & Storage Prod Co, Komukai Toshiba Cho, Saiwai Ku, Kawasaki, 2128583, Japan
[3] Tokyo Inst Technol, Frontier Res Ctr, Midori Ku, Yokohama, 2268502, Japan
来源
WIDE BANDGAP SEMICONDUCTOR MATERIALS AND DEVICES 15 | 2014年 / 61卷 / 04期
关键词
D O I
10.1149/06104.0265ecst
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Mo/Al/Ti or TiN/TiSi2 ohmic contacts were fabricated on AlGaN/GaN HEMT structures having various thicknesses of AlGaN layers. Optimum thicknesses depending on annealing temperature were found, which should be correlated with the contact formation mechanism.
引用
收藏
页码:265 / 270
页数:6
相关论文
共 5 条
[1]   Growth and applications of Group III nitrides [J].
Ambacher, O .
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1998, 31 (20) :2653-2710
[2]  
Daele B., 2006, APPL PHYS LETT, V89
[3]   Ta-based interface ohmic contacts to AlGaN/GaN heterostructures [J].
Qiao, D ;
Jia, L ;
Yu, LS ;
Asbeck, PM ;
Lau, SS ;
Lim, SH ;
Liliental-Weber, Z ;
Haynes, TE ;
Barner, JB .
JOURNAL OF APPLIED PHYSICS, 2001, 89 (10) :5543-5546
[4]  
Tsuneishi K., 2013, ECS T, V50, P477
[5]   Formation mechanism of Ohmic contacts on AlGaN/GaN heterostructure: Electrical and microstructural characterizations [J].
Wang, Liang ;
Mohammed, Fitih M. ;
Adesida, Ilesanmi .
JOURNAL OF APPLIED PHYSICS, 2008, 103 (09)