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Electronic structure of the neutral silicon-vacancy center in diamond
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Green, Ben, Doherty, M. W., Nako, Enrik, Manson, N. B., D'Haenens-Johansson, U. F. S., Williams, S. D., Twitchen, D. J. and Newton, Mark E. (2019) Electronic structure of the neutral silicon-vacancy center in diamond. Physical Review B (Condensed Matter and Materials Physics), 99 (16). 161112(R). doi:10.1103/PhysRevB.99.161112 ISSN 1098-0121.
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WRAP-electronic-structure-neutral-silicon-vacancy-center-diamond-Green-2019.pdf - Accepted Version - Requires a PDF viewer. Download (4042Kb) | Preview |
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Official URL: http://dx.doi.org/10.1103/PhysRevB.99.161112
Abstract
The neutrally-charged silicon vacancy in diamond is a promising system for quantum technologies that combines high-efficiency optical spin initialization with long spin lifetimes (T2 ≈ 1 ms at 4 K) and up to 90 % of optical emission into its 946 nm zero-phonon line. However, the electronic structure of SiV0 is poorly understood, making further exploitation difficult. Performing photoluminescence spectroscopy of SiV0 under uniaxial stress, we find the previous excited electronic structure of a single 3A1u state is incorrect, and identify instead a coupled 3Eu − 3A2u system, the lower state of which has forbidden optical emission at zero stress and efficiently decreases the total emission of the defect. We propose a solution employing finite strain to define a spin-photon interface scheme using SiV0.
Item Type: | Journal Article | ||||||||||||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Diamonds -- Defects, Point defects | ||||||||||||||||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||||||||||||||
Publisher: | American Physical Society | ||||||||||||||||||
ISSN: | 1098-0121 | ||||||||||||||||||
Official Date: | 17 April 2019 | ||||||||||||||||||
Dates: |
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Volume: | 99 | ||||||||||||||||||
Number: | 16 | ||||||||||||||||||
Article Number: | 161112(R) | ||||||||||||||||||
DOI: | 10.1103/PhysRevB.99.161112 | ||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||
Reuse Statement (publisher, data, author rights): | © 2019 American Physical Society | ||||||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
Date of first compliant deposit: | 24 April 2019 | ||||||||||||||||||
Date of first compliant Open Access: | 25 April 2019 | ||||||||||||||||||
RIOXX Funder/Project Grant: |
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