A high efficiency superconducting nanowire single electron detector | Zendy

Michaël Rosticher | Zendy; F. R. Ladan | Zendy; J. P. Maneval | Zendy; S. N. Dorenbos | Zendy; T. Zijlstra | Zendy; T. M. Klapwijk | Zendy; V. Zwiller | Zendy; Adrian Lupaşcu | Zendy; Gilles Nogues | Zendy

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A high efficiency superconducting nanowire single electron detector

Author(s) -

Michaël Rosticher,

F. R. Ladan,

J. P. Maneval,

S. N. Dorenbos,

T. Zijlstra,

T. M. Klapwijk,

V. Zwiller,

Adrian Lupaşcu,

Gilles Nogues

Publication year - 2010

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3506692

Subject(s) - electron , detector , silicon , substrate (aquarium) , cathode , photon , superconductivity , materials science , electron microscope , scanning electron microscope , secondary electrons , nanowire , optics , sensitivity (control systems) , optoelectronics , physics , atomic physics , chemistry , nuclear physics , condensed matter physics , electronic engineering , oceanography , geology , engineering

We report the detection of single electrons using a Nb0.7Ti0.3N superconducting wire deposited on an oxidized silicon substrate. While it is known that this device is sensitive to single photons, we show that it also detects single electrons with kilo-electron-volt energy emitted from the cathode of a scanning electron microscope with an efficiency approaching unity. The electron and photon detection efficiency map of the same device are in good agreement. We also observe detection events outside the active area of the device, which we attribute to sensitivity to backscattered electrons

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