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Fabrication and Characteristics of ultra power-saving Schottky barrier rectifier  

Kim, Jun-Sik (Dept.of Electronics Electrical Computer, Kyungpook National University)
Choe, Yeong-Ho (Dept.of Electronics Electrical Computer, Kyungpook National University)
Park, Geun-Yeong (Dept.of Electronics Electrical Computer, Kyungpook National University)
Choe, Si-Yeong (Dept.of Electronics Electrical Computer, Kyungpook National University)
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Abstract
Ultra-power-saving SBR has been fabricated by using vanadium and molybdenum with low work function. Because reverse leakage current is increased in inverse proportion to work function, we implanted argon ion on the n-Si layer for decreasing leakage current. The dose and acceleration energy of the argon implantation in the silicon was 1$\times$10$^{14}$ ion/$\textrm{cm}^2$, 40 keV, respectively. The forward voltages drop of fabricated V-SBR and Mo-SBR were 0.25 V and 0.39 V at the same forward current density of 60 A/$\textrm{cm}^2$. As a result, it was found that the reverse leakage current of the fabricated V-SBR was reduced over 20$mutextrm{A}$ by the argon implantation in comparison with the no implanted V-SBR. Also, owing to argon implantation, the inferiority of characteristic of the SBR was not detected.
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