%0 Journal Article %T Influence of the Trapping Effect on Temperature Characteristics in 4H-SiC MESFETs
陷阱效应对4H-SiC MESFET温度特性的影响 %A Zhang Yimen %A Zhang Yuming %A Che Yong %A Wang Yuehu %A
吕红亮 %A 张义门 %A 张玉明 %A 车勇 %A 王悦湖 %J 半导体学报 %D 2008 %I %X Based on the DC model and the self-heating model of SiC MESFETs, the self-heating effect is investigated in detail.The back-gated effect and its influence on high temperature characteristics are studied.The simulation results show that the activation energy of the traps is 1.07eV with a capture cross section of 1e-8cm2.The back-gate potential increases as trap concentration increases, and it reaches ~3V at room temperature.As the drain voltage increases, the back-gate potential decreases.The proposed model is valuable in the design of high-power and high-temperature applications. %K The proposed model is valuable in the design of high-power and high-temperature applications
SiC %K MESFET %K 自热效应 %K 深能级陷阱 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=309584AA5C247339B3504187E2FCEED3&yid=67289AFF6305E306&vid=771469D9D58C34FF&iid=0B39A22176CE99FB&sid=9DC563A0FEFC04F9&eid=5FF9F4F7CB1800C7&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=9