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Nishiguchi, K. (author), Castellanos-Gomez, A. (author), Yamaguchi, H. (author), Fujiwara, A. (author), Van der Zant, H.S.J. (author), Steele, G.A. (author)We demonstrate a tunnel diode composed of a vertical MoS2/SiO2/Si heterostructure. A MoS2 flake consisting four areas of different thicknesses functions as a gate terminal of a silicon field-effect transistor. A thin gate oxide allows tunneling current to flow between the n-type MoS2 layers and p-type Si channel. The tunneling-current...journal article 2015
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Nishiguchi, K. (author), Yamaguchi, H. (author), Fujiwara, A. (author), Van der Zant, H.S.J. (author), Steele, G.A. (author)We demonstrate high-speed charge detection at room temperature with single-electron resolution by using a radio-frequency field-effect transistor (RF-FET). The RF-FET combines a nanometer-scale silicon FET with an impedance-matching circuit composed of an inductor and capacitor. Driving the RF-FET with a carrier signal at its resonance frequency...journal article 2013