Niobium diselenide superconducting photodetectors

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ORCHIN, Gavin J., Domenico DE FAZIO, Angelo DI BERNARDO, Matthew HAMER, Duhee YOON, Alisson R. CADORE, Ilya GOYKHMAN, Kenji WATANABE, Takashi TANIGUCHI, Jason W. A. ROBINSON, 2019. Niobium diselenide superconducting photodetectors. In: Applied Physics Letters. 114(25), 251103. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.5097389

@article{Orchin2019-03-06T18:07:08ZNiobi-47360, title={Niobium diselenide superconducting photodetectors}, year={2019}, doi={10.1063/1.5097389}, number={25}, volume={114}, issn={0003-6951}, journal={Applied Physics Letters}, author={Orchin, Gavin J. and De Fazio, Domenico and Di Bernardo, Angelo and Hamer, Matthew and Yoon, Duhee and Cadore, Alisson R. and Goykhman, Ilya and Watanabe, Kenji and Taniguchi, Takashi and Robinson, Jason W. A.}, note={Article Number: 251103} }

Watanabe, Kenji Taniguchi, Takashi eng Goykhman, Ilya 2019-11-06T11:27:08Z Di Bernardo, Angelo Hamer, Matthew Niobium diselenide superconducting photodetectors Cadore, Alisson R. Watanabe, Kenji 2019-03-06T18:07:08Z Orchin, Gavin J. Cadore, Alisson R. Yoon, Duhee Hamer, Matthew Yoon, Duhee Robinson, Jason W. A. Taniguchi, Takashi 2019-11-06T11:27:08Z We report the photoresponse of niobium diselenide (NbSe<sub>2</sub>), a transition metal dichalcogenide (TMD) which exhibits superconducting properties down to a single layer. Devices are built by using micro-mechanically cleaved 2 to 10 layers and tested under current bias using nano-optical mapping in the 350mK-5K range, where they are found to be superconducting. The superconducting state can be broken by absorption of light, resulting in a voltage signal when the devices are current biased. The response found to be energy dependent making the devices useful for applications requiring energy resolution, such as bolometry, spectroscopy and infrared imaging. De Fazio, Domenico Orchin, Gavin J. Goykhman, Ilya Robinson, Jason W. A. Di Bernardo, Angelo De Fazio, Domenico

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