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Spin-relaxation tim...
Spin-relaxation times exceeding seconds for color centers with strong spin-orbit coupling in SiC
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- Gilardoni, Carmem M. (author)
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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- Bosma, Tom (author)
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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- van Hien, Danny (author)
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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- Hendriks, Freddie (author)
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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- Magnusson, Björn (author)
- Norstel AB, Norrköping, Sweden
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- Ellison, Alexandre (author)
- Norstel AB, Norrköping, Sweden
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- Ivanov, Ivan Gueorguiev, 1955- (author)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Nguyen, Son Tien, 1953- (author)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- van der Wal, Caspar H. (author)
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands
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(creator_code:org_t)
- 2020-10-26
- 2020
- English.
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In: New Journal of Physics. - : IOP PUBLISHING LTD. - 1367-2630. ; 22:10
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Abstract
Subject headings
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- Spin-active color centers in solids show good performance for quantum technologies. Several transition-metal defects in SiC offer compatibility with telecom and semiconductor industries. However, whether their strong spin-orbit coupling degrades their spin lifetimes is not clear. We show that a combination of a crystal-field with axial symmetry and spin-orbit coupling leads to a suppression of spin-lattice and spin-spin interactions, resulting in remarkably slow spin relaxation. Our optical measurements on an ensemble of Mo impurities in SiC show a spin lifetime T-1 of 2.4 s at 2 K.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- semiconductor defects; quantum information; defect symmetries; spin– lattice interaction
Publication and Content Type
- ref (subject category)
- art (subject category)
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