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29 March 2024 |
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Article overview
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Spin and optical properties of silicon vacancies in silicon carbide (a review) | S.A. Tarasenko
; A.V. Poshakinskiy
; D. Simin
; V.A. Soltamov
; E.N. Mokhov
; P.G. Baranov
; V. Dyakonov
; G.V. Astakhov
; | Date: |
18 Jul 2017 | Abstract: | We discuss the fine structure and spin dynamics of spin-3/2 centers
associated with silicon vacancies in silicon carbide. The centers have
optically addressable spin states which makes them highly promising for quantum
technologies. The fine structure of the spin centers turns out to be highly
sensitive to mechanical pressure, external magnetic and electric fields,
temperature variation, etc., which can be utilized for efficient
room-temperature sensing, particularly by purely optical means or through the
optically detected magnetic resonance. We discuss the experimental achievements
in magnetometry and thermometry based on the spin state mixing at level
anticrossings in an external magnetic field and the underlying microscopic
mechanisms. We also discuss spin fluctuations in an ensemble of vacancies
caused by interaction with environment. | Source: | arXiv, 1707.5503 | Services: | Forum | Review | PDF | Favorites |
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