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.
초록·키워드
In this manuscript, we experimentally investigate the effect of DC voltage bias on laser-induced bistable switching behavior in a two-terminal device based on vanadium dioxide (VO₂) thin films. To explore this phenomenon, a DC voltage source was connected in series with the device and a resistor to form a closed-loop circuit. The static and transient responses of the circuit current (I) were measured as the optical power (PL) of a ~1.55μm laser beam, incident on the VO₂ film, was varied under different bias voltages (V<sub>S</sub>). In the static response, current I exhibited hysteresis with respect to PL, but only within a narrow range of V<sub>S</sub> (6 ~ 9 V). Within this range, decreasing V<sub>S</sub> shifted the hysteresis loop toward higher PL values and narrowed its width, while increasing V<sub>S</sub> had the opposite effect. Outside this voltage range (V<sub>S</sub> < 6 V or V<sub>S</sub> > 9 V), the hysteresis behavior disappeared. At low V<sub>S</sub>, the device showed no switching, and at high V<sub>S</sub>, the switching became irreversible rather than bistable. In the transient response, clear laser-induced bistable switching was observed only in a narrower V<sub>S</sub> range (8 ~ 9 V), suggesting that dynamic bistability requires more stringent bias conditions compared to static hysteresis.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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UCI(KEPA) : I410-151-26-02-094658898