We present the original method for fabricating a sensitive field/charge sensor based on field effect transistor (FET) with a nanowire channel that uses CMOS-compatible processes only. A FET with a kink-like silicon nanowire channel was fabricated from the inhomogeneously doped silicon on insulator wafer very close (∼100 nm) to the extremely sharp corner of a silicon chip forming local probe. The single e-beam lithographic process with a shadow deposition technique, followed by separate two reactive ion etching processes, was used to define the narrow semiconductor nanowire channel. The sensors charge sensitivity was evaluated to be in the range of 0.1–0.2 from the analysis of their transport and noise characteristics. The proposed method provides a good opportunity for the relatively simple manufacture of a local field sensor for measuring the electrical field distribution, potential profiles, and charge dynamics for a wide range of mesoscopic objects. Diagnostic systems and devices based on such sensors can be used in various fields of physics, chemistry, material science, biology, electronics, medicine, etc.
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7 February 2018
Research Article|
February 07 2018
Local sensor based on nanowire field effect transistor from inhomogeneously doped silicon on insulator
Denis E. Presnov
;
Denis E. Presnov
a)
1
Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
2
Faculty of Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
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Ivan V. Bozhev
;
Ivan V. Bozhev
2
Faculty of Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
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Andrew V. Miakonkikh
;
Andrew V. Miakonkikh
3
Institute of Physics and Technology RAS
, Nakhimovsky Prospect 36/1, Moscow 117218, Russia
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Sergey G. Simakin;
Sergey G. Simakin
4
Institute of Physics and Technology
, Yaroslavl Branch RAS, Krasnoborskaya 3, Yaroslavl 150055, Russia
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Artem S. Trifonov
;
Artem S. Trifonov
1
Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
2
Faculty of Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
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Vladimir A. Krupenin
Vladimir A. Krupenin
2
Faculty of Physics, M.V. Lomonosov Moscow State University
, Leninskie Gory, 1(2), Moscow 119991, Russia
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a)
E-mail: [email protected]
J. Appl. Phys. 123, 054503 (2018)
Article history
Received:
December 12 2017
Accepted:
January 22 2018
Citation
Denis E. Presnov, Ivan V. Bozhev, Andrew V. Miakonkikh, Sergey G. Simakin, Artem S. Trifonov, Vladimir A. Krupenin; Local sensor based on nanowire field effect transistor from inhomogeneously doped silicon on insulator. J. Appl. Phys. 7 February 2018; 123 (5): 054503. https://doi.org/10.1063/1.5019250
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