Abstract
A family of highly sensitive devices based on a graphene nanobridge and superconducting electrodes has been developed, manufactured, and examined. These devices can be used to create a graphene-based integral receiver. A cold-electron bolometer prototype with superconductor-insulator-normal metal tunnel junctions has been studied. Its response to a change in the temperature and external microwave radiation has been measured. A superconducting quantum interferometer with a graphene strip as a weak coupling between superconducting electrodes has been examined. The corresponding modulation of the voltage by a magnetic field at a given current has been measured. The effect of the gate voltage on the resistance of graphene has been analyzed for these samples. To confirm that graphene is single-layer, measurements with the reference samples were performed in high magnetic fields, displaying the half-integer quantum Hall effect.
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Original Russian Text © M. Tarasov, N. Lindvall, L. Kuzmin, A. Yurgens, 2011, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2011, Vol. 94, No. 4, pp. 353–356.
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Tarasov, M., Lindvall, N., Kuzmin, L. et al. Family of graphene-based superconducting devices. Jetp Lett. 94, 329–332 (2011). https://doi.org/10.1134/S0021364011160193
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DOI: https://doi.org/10.1134/S0021364011160193