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High Current, Common-Base GaN/AlGaN Heterojunction Bipolar Transistors

机译:大电流共基GaN / AlGaN异质结双极晶体管

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Current densities up to 2.55 kA cm~(-2) at temperatures up to 250 ℃ were obtained in GaN/AlGaN heterojunction bipolar transistors grown by molecular beam epitaxy. At 25 ℃, the power density was 20.4 kW cm~(-2). Room temperature dc current gains of 15-20 were obtained. In the common-base mode of operation, I_C was approximately equal to I_E, indicating high emitter injection efficiency.
机译:在通过分子束外延生长的GaN / AlGaN异质结双极晶体管中,在高达250℃的温度下获得的电流密度高达2.55 kA cm〜(-2)。在25℃时,功率密度为20.4 kW cm〜(-2)。室温下的直流电流增益为15-20。在共基工作模式下,I_C大约等于I_E,表明发射极注入效率很高。

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