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The bulk conversion...
The bulk conversion depth of the NV-center in diamond : computing a charged defect in a neutral slab
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- Löfgren, Robin (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Pawar, Ravinder (författare)
- Luleå tekniska universitet,Institutionen för teknikvetenskap och matematik
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- Öberg, Sven (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Larsson, Andreas (författare)
- Luleå tekniska universitet,Materialvetenskap
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visa färre...
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(creator_code:org_t)
- 2019-05-29
- 2019
- Engelska.
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Ingår i: New Journal of Physics. - : Institute of Physics (IOP). - 1367-2630. ; 21
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The negatively charged nitrogen vacancy (NV-) center in diamond has properties that make it a promising candidate for applications such as a qubit in room temperature quantum computing, single-molecule photoluminescence and NMR sensor, and as a single photon source for quantum cryptography. For many of its uses it is desirable to have the NV-center close to the diamond surface. In this work, we use density functional theory simulations to investigate how the distance of the NV- center to a surface, and its orientation, affect its properties, including the zero-phonon-line. We study the three technologically important surfaces terminated with fluorine, oxygen/hydroxyl and nitrogen. Since the NV-center is charged it requires special measures to simulate within a slab-model. We use the recently proposed charging with a substitutional donor in the diamond lattice resulting in a neutral super-cell, which provides very satisfactory results. We have found that the NV-centers properties converge to bulk values already at 5 angstrom depth.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Nyckelord
- Applied Physics
- Tillämpad fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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