The detection of donor electrons is important for Si-based spintronics and quantum computers, as well as complementary metal–oxide–semiconductor (MOS) circuits. One of the detection schemes is based on the spin-dependent recombination, for which photoexcitation has, so far, been used to generate electrons and holes. In this study, we rather induce the recombination electrically by a gate pulse in Si MOS transistors. Under the spin resonance conditions, we detect signals from arsenic (As) donors, located in the channel edge regions close to the As-implanted source/drain. The analysis suggests that the detection is owing to the spin pairs formed by an As donor electron spin and an electron spin of a defect center at the MOS SiO2/Si interface and to their spin-dependent process during the recombination.
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Detection of arsenic donor electrons using gate-pulse-induced spin-dependent recombination in silicon transistors
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28 June 2021
Research Article|
June 30 2021
Detection of arsenic donor electrons using gate-pulse-induced spin-dependent recombination in silicon transistors
Masahiro Hori
;
Masahiro Hori
a)
Research Institute of Electronics, Shizuoka University
, Johoku, Naka-ku, Hamamatsu 432-8011, Japan
a)Author to whom correspondence should be addressed: [email protected]
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Yukinori Ono
Yukinori Ono
Research Institute of Electronics, Shizuoka University
, Johoku, Naka-ku, Hamamatsu 432-8011, Japan
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 118, 263504 (2021)
Article history
Received:
April 05 2021
Accepted:
June 03 2021
Citation
Masahiro Hori, Yukinori Ono; Detection of arsenic donor electrons using gate-pulse-induced spin-dependent recombination in silicon transistors. Appl. Phys. Lett. 28 June 2021; 118 (26): 263504. https://doi.org/10.1063/5.0053196
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