Dynamics of frequency-swept nuclear spin optical pumping in powdered diamond at low magnetic fields.
Landau−Zener crossing
diamond powder
hyperpolarization
nitrogen vacancy centers
optical spin pumping
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:
12 02 2019
12 02 2019
Historique:
pubmed:
27
1
2019
medline:
27
1
2019
entrez:
26
1
2019
Statut:
ppublish
Résumé
A broad effort is underway to improve the sensitivity of NMR through the use of dynamic nuclear polarization. Nitrogen vacancy (NV) centers in diamond offer an appealing platform because these paramagnetic defects can be optically polarized efficiently at room temperature. However, work thus far has been mainly limited to single crystals, because most polarization transfer protocols are sensitive to misalignment between the NV and magnetic field axes. Here we study the spin dynamics of NV-
Identifiants
pubmed: 30679282
pii: 1811994116
doi: 10.1073/pnas.1811994116
pmc: PMC6377465
doi:
Types de publication
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
2512-2520Déclaration de conflit d'intérêts
Conflict of interest: Some of the authors have pending patent applications related to the present study: “Orientation-independent, room-temperature, hyperpolarization of diamond nano- and micro-particles,” A.P., A.A., R.N., X. Lv, C.A.M., provisional application US 62/581,238 filed by University of California, Berkeley, November 3, 2017; “Method for hyperpolarizing nuclear spins at arbitrary magnetic fields,” C.A.M., D.P., A. Laraoui, nonprovisional application Serial No. US 14/961,974, filed by Research Foundation-City University of New York (RF-CUNY), December 8, 2015, priority date December 8, 2014, US Patent Publication No. US-2016-0161583-A1 (June 9, 2016); and “Method and apparatus for polarizing nuclear and electronic spins,” C.A.M., nonprovisional application, Serial No. US 14/781,127, International Application No. PCT/US14/33175, filed by Research Foundation-CUNY, April 7, 2014, priority date April 5, 2013, US Patent Publication No. 2016-0054402-A1 (February 25, 2016), International Publication No. WO 2014/165845 A1 (October 9, 2014).
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