KIT | KIT-Bibliothek | Impressum | Datenschutz

Optically induced dynamic nuclear spin polarisation in diamond

Scheuer, J.; Schwartz, I.; Chen, Q.; Schulze-Sünninghausen, D. 1; Carl, P.; Höfer, P.; Retzker, A.; Sumiya, H.; Isoya, J.; Luy, B. ORCID iD icon 1; Plenio, M. B.; Naydenov, B.; Jelezko, F.
1 Institut für Organische Chemie (IOC), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

The sensitivity of magnetic resonance imaging (MRI) depends strongly on nuclear spin polarisation and, motivated by this observation, dynamical nuclear spin polarisation has recently been applied to enhance MRI protocols (Kurhanewicz et al 2011 Neoplasia 13 81). Nuclear spins associated with the 13C carbon isotope (nuclear spin I = 1/2) in diamond possess uniquely long spin lattice relaxation times (Reynhardt and High 2011 Prog. Nucl. Magn. Reson. Spectrosc. 38 37). If they are present in diamond nanocrystals, especially when strongly polarised, they form a promising contrast agent for MRI. Current schemes for achieving nuclear polarisation, however, require cryogenic temperatures. Here we demonstrate an efficient scheme that realises optically induced 13C nuclear spin hyperpolarisation in diamond at room temperature and low ambient magnetic field. Optical pumping of a nitrogen-vacancy centre creates a continuously renewable electron spin polarisation which can be transferred to surrounding 13C nuclear spins. Importantly for future applications we also realise polarisation protocols that are robust against an unknown misalignment between magnetic field and crystal axis.


Volltext §
DOI: 10.5445/IR/1000059492
Originalveröffentlichung
DOI: 10.1088/1367-2630/18/1/013040
Scopus
Zitationen: 64
Web of Science
Zitationen: 58
Dimensions
Zitationen: 68
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Biologische Grenzflächen (IBG)
Institut für Organische Chemie (IOC)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2016
Sprache Englisch
Identifikator ISSN: 1367-2630
urn:nbn:de:swb:90-594920
KITopen-ID: 1000059492
HGF-Programm 47.02.04 (POF III, LK 01) Zellpopul.auf Biofunk.Oberflächen IBG-4
Erschienen in New journal of physics
Verlag Institute of Physics Publishing Ltd (IOP Publishing Ltd)
Band 18
Heft 1
Seiten Art. Nr.: 013040
Vorab online veröffentlicht am 18.01.2016
Nachgewiesen in Web of Science
Dimensions
Scopus
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
KITopen Landing Page