인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 저자정보
초록·키워드
We have systematically investigated the effect of the variation in the doping concentration and thickness of the Cu₂O layer on the electrical characteristics of the p-type Cu₂O/n-type Ga₂O₃ heterojunction p-n diode. In particular, the effect of the doping concentration and thickness of Cu₂O was explored in order to enhance the breakdown voltage of the p-type Cu₂O/n-type Ga₂O₃ heterojunction p-n diode. The on-resistance of the device was noted to decrease from 41.2 MΩ·cm² to 0.815 mΩ·cm² with increasing electron affinity of the Cu₂O layer. The breakdown voltage of the device increased with increasing doping concentration and increase in thickness of the Cu₂O layer until the respective values reached to 1 × 10<sup>18</sup> cm<sup>−3</sup> and 200 nm with the breakdown voltage of the p-n diode reaching 1500 V. The increase in breakdown voltage of the p-n diode with thickness of Cu₂O layer is attributed to the fact that a thicker layer could accommodate a wider depletion region. While the increase in breakdown voltage with doping concentration of p-type Cu₂O is due to widening of the depletion width in the drift layer. An electric field distribution under the anode edges for the p-type Cu₂O/n-type Ga₂O₃ heterojunction p-n diode has been presented and discussed in detail through technology computer aided design (TCAD) simulation. The results of this work provide a vital insight for the design and performance enhancement of the next-generation Ga₂O₃-based high-power devices.
본문·목차
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