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논문 기본 정보

저자정보
(Korea University (KU) Sejong Campus) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Kyungpook National University) (Andong National University)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.25 No.1
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    초록·키워드

    In this study, we conducted an irradiation experiment using protons with 5 MeV energy and a fluence of 5×10<sup>13</sup> cm<sup>-2</sup> to analyze the effects on AlGaN/GaN high electron-mobility transistors (HEMTs). After proton irradiation, the on-resistance (Ron) value increased by 57%, the on-state current (Ion) decreased by 26.78%, and the off-state current (Ioff) increased by 89.63%. Despite these changes in Ion and Ioff, there was no significant change in the threshold voltage (Vt). This indicates that the two-dimensional electronic gas (2DEG) density, which determines Vt did not sustain significant damage. The degradation in device characteristics was attributed to other factors, which were analyzed through a resistance-based equation. Additionally, we performed simulation fitting to complete a quantitative cause analysis. We believe that our findings will contribute to preliminary verification research for high-reliability experiments, such as space and aviation semiconductors.

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