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Vertical few-layer graphene (FLG) is an excellent field emission material, with an atomically thin edge and a 2-D heat dissipation area. A pulse voltage driving operation was used to achieve a high field emission current. The pulsewidth and duty ratio affected the field emission characteristics of the FLG due to the current heating effect. The optimal pulse parameters were obtained. A maximum current...
This paper presents the design and characterization of a novel micro motion sensor using Carbon Nanotube (CNT) sensing element. This sensor is based on thermal convective sensing theory, and uses CNT bundles manipulated by dielec-trophoretic (DEP) forces to form the motion sensing element. The heat generation CNT bundle is first heated up in a micro chamber using constant current. External acceleration...
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