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논문 기본 정보

저자정보
(Seoul National University of Science & Technology) (Seoul National University of Science & Technology) (Seoul National University of Science & Technology) (Seoul National University of Science & Technology)
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대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.25 No.4
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    초록·키워드

    This paper presents a biased poly-gate-separated Schottky barrier diode (biased PGS-SBD). The poly- gate of PGS-SBD is biased to improve DC (leakage current) or RF performance (cut-off frequency). The operation principles are analyzed using TCAD simulations. The device is fabricated in a 130-nm CMOS process without any process modification. The DC and RF performances are measured and analyzed. The leakage current is reduced from 2.4 × 10<sup>−5</sup> to 2.1 × 10<sup>−6 </sup>mA/µm² as the poly-gate voltage decreases from +1.0 V to −1.0 V at the diode voltage of −1 V. The cut-off frequency increases from 0.75 to 1.25 THz as the gate voltage increases from −1.0 V to +1.0 V. The proposed device achieved ∼5X lower leakage current or 34% higher cut-off frequency than that of the floating-gate PGS-SBD by controlling the poly-gate voltage.

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