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Title: | Direct Structural Identification and Quantification of the Split-Vacancy Configuration for Implanted Sn in Diamond | Authors: | Wahl, U. Correia, J. G. Villarreal, R. BOURGEOIS, Emilie GULKA, Michal NESLADEK, Milos Vantomme, A. Pereira, L. M. C. |
Issue Date: | 2020 | Publisher: | AMER PHYSICAL SOC | Source: | Physical review letters, 125 (4) (Art N° 045301) | Abstract: | We demonstrate formation of the ideal split-vacancy configuration of the Sn-vacancy center upon implantation into natural diamond. Using beta(-) emission channeling following low fluence Sn-121 implantation (2 x 10(12) atoms/cm(2), 60 keV) at the ISOLDE facility at CERN, we directly identified and quantified the atomic configurations of the Sn-related centers. Our data show that the split-vacancy configuration is formed immediately upon implantation with a surprisingly high efficiency of approximate to 40%. Upon thermal annealing at 920 degrees C approximate to 30% of Sn is found in the ideal bond-center position. Photoluminescence revealed the characteristic SnV- line at 621 nm, with an extraordinarily narrow ensemble linewidth (2.3 nm) of near-perfect Lorentzian shape. These findings further establish the SnV- center as a promising candidate for single photon emission applications, since, in addition to exceptional optical properties, it also shows a remarkably simple structural formation mechanism. | Notes: | Wahl, U (corresponding author), Katholieke Univ Leuven, Quantum Solid State Phys, B-3001 Leuven, Belgium.; Wahl, U (corresponding author), Univ Lisbon, Ctr Ciencias & Tecnol Nucl, Inst Super Tecn, Dept Engn & Ciencias Nucl, P-2695066 Bobadela Irs, Portugal. uwahl@ctn.tecnico.ulisboa.pt |
Other: | Wahl, U (corresponding author, Katholieke Univ Leuven, Quantum Solid State Phys, B-3001 Leuven, Belgium; Univ Lisbon, Ctr Ciencias & Tecnol Nucl, Inst Super Tecn, Dept Engn & Ciencias Nucl, P-2695066 Bobadela Irs, Portugal. uwahl@ctn.tecnico.ulisboa.pt | Document URI: | http://hdl.handle.net/1942/32637 | ISSN: | 0031-9007 | e-ISSN: | 1079-7114 | DOI: | 10.1103/PhysRevLett.125.045301 | ISI #: | WOS:000551007800007 | Rights: | 2020 American Physical Society. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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PRL_2020_125_045301_postprint.pdf | Peer-reviewed author version | 407.41 kB | Adobe PDF | View/Open |
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