Carbon-13 dynamic nuclear polarization in diamond via a microwave-free integrated cross effect.
Landau–Zener crossings
dynamic nuclear polarization
nitrogen-vacancy centers
substitutional nitrogen
Journal
Proceedings of the National Academy of Sciences of the United States of America
ISSN: 1091-6490
Titre abrégé: Proc Natl Acad Sci U S A
Pays: United States
ID NLM: 7505876
Informations de publication
Date de publication:
10 Sep 2019
10 Sep 2019
Historique:
pubmed:
28
8
2019
medline:
28
8
2019
entrez:
28
8
2019
Statut:
ppublish
Résumé
Color-center-hosting semiconductors are emerging as promising source materials for low-field dynamic nuclear polarization (DNP) at or near room temperature, but hyperfine broadening, susceptibility to magnetic field heterogeneity, and nuclear spin relaxation induced by other paramagnetic defects set practical constraints difficult to circumvent. Here, we explore an alternate route to color-center-assisted DNP using nitrogen-vacancy (NV) centers in diamond coupled to substitutional nitrogen impurities, the so-called P1 centers. Working near the level anticrossing condition-where the P1 Zeeman splitting matches one of the NV spin transitions-we demonstrate efficient microwave-free
Identifiants
pubmed: 31451667
pii: 1908780116
doi: 10.1073/pnas.1908780116
pmc: PMC6744875
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
18334-18340Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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