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학술지 Direct Current Voltage Bias Effect on Laser-Induced Switching Bistability in VO 2-Based Device
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저자
서기완, 김봉준, 최정용, 이용욱, 김현탁
발행일
201209
출처
Applied Physics Express, v.5 no.10, pp.1-3
ISSN
1882-0778
출판사
Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
DOI
https://dx.doi.org/10.1143/APEX.5.102201
협약과제
12ZF1100, Seed형 기술개발을 위한 창의형 연구사업, 박선희
초록
We experimentally investigated a DC voltage bias effect on laser-induced switching bistability observed in vanadium dioxide (VO 2) thin film through the illumination of the film with a laser at ~1.55 μm. The bias effect on the bistable switching was examined in a circuit composed of a VO 2-based device, DC voltage source, and resistor. At different bias values, static and transient responses of the circuit current were observed by varying illumination power. Specific bias voltages could change the bistable switching into irreversible unidirectional switching, thereby requiring the proper selection of the bias voltage for the stable operation of the bistable switching. © 2012 The Japan Society of Applied Physics.
KSP 제안 키워드
Applied physics, Bistable switching, DC voltage, Direct current(DC), Stable operation, Transient response, Unidirectional Switching, VO 2, Voltage source, bias voltage, laser-induced