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AlGaN/AlN/GaN/InGaN/GaN DH-HEMTs with improved mobility grown by MOCVD | |
Tang J; Wang XL; Chen TS; Xiao HL; Ran JX; Zhang ML; Hu GX; Feng C; Hou QF; Wei M; Li JM; Wang ZG; Tang, J, Chinese Acad Sci, Inst Semicond, Ctr Mat Sci, POB 912, Beijing 100083, Peoples R China. | |
2008 | |
会议名称 | 9th International Conference on Solid-State and Integrated-Circuit Technology |
会议录名称 | 2008 9TH INTERNATIONAL CONFERENCE ON SOLID-STATE AND INTEGRATED-CIRCUIT TECHNOLOGY |
页码 | VOLS 1-4: 1106-1109 |
会议日期 | OCT 20-23, 2008 |
会议地点 | Beijing, PEOPLES R CHINA |
出版地 | 345 E 47TH ST, NEW YORK, NY 10017 USA |
出版者 | IEEE |
ISBN | 978-1-4244-2185-5 |
部门归属 | [tang, jian; wang, xiaoliang; xiao, hongling; ran, junxue; zhang, minglan; hu, guoxin; feng, chun; hou, qifeng; wei, meng; li, jinmin; wang, zhanguo] chinese acad sci, inst semicond, ctr mat sci, beijing 100083, peoples r china |
摘要 | AlGaN/AlN/GaN/InGaN/GaN double heterojunction high electron mobility transistors (DH-HEMTs) structures with improved buffer isolation have been investigated. The structures were grown by MOCVD on sapphire substrate. AFM result of this structure shows a good surface morphology with the root-mean-square roughness (RMS) of 0.196 nm for a scan area of 5 mu mx5 mu m. A mobility as high as 1950 cm(2)/Vs with the sheet carrier density of 9.89x10(12) cm(-2) was obtained, which was about 50% higher than other results of similar structures which have been reported. Average sheet resistance of 327 Omega/sq was achieved. The HEMTs device using the materials was fabricated, and a maximum drain current density of 718.5 mA/mm, an extrinsic transconductance of 248 mS/mm, a current gain cutoff frequency of 16 GHz and a maximum frequency of oscillation 35 GHz were achieved. |
关键词 | Algan/gan Hemts |
学科领域 | 半导体材料 |
主办者 | IEEE Beijing Sect.; Chinese Inst Elect.; IEEE Electron Devices Soc.; IEEE EDS Beijing Chapter.; IEEE Solid State Circuits Soc.; IEEE Circuites & Syst Soc.; IEEE Hong Kong EDS, SSCS Chapter.; IEEE SSCS Beijing Chapter.; Japan Soc Appl Phys.; Elect Div IEEE.; URSI Commiss D.; Inst Elect Engineers Korea.; Assoc Asia Pacific Phys Soc.; Peking Univ, IEEE EDS Student Chapter. |
收录类别 | 其他 |
语种 | 英语 |
文献类型 | 会议论文 |
条目标识符 | http://ir.semi.ac.cn/handle/172111/8286 |
专题 | 中国科学院半导体研究所(2009年前) |
通讯作者 | Tang, J, Chinese Acad Sci, Inst Semicond, Ctr Mat Sci, POB 912, Beijing 100083, Peoples R China. |
推荐引用方式 GB/T 7714 | Tang J,Wang XL,Chen TS,et al. AlGaN/AlN/GaN/InGaN/GaN DH-HEMTs with improved mobility grown by MOCVD[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2008:VOLS 1-4: 1106-1109. |
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