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Berlin 2014 – scientific programme

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MO: Fachverband Molekülphysik

MO 12: Experimental Techniques 2

MO 12.3: Talk

Wednesday, March 19, 2014, 14:45–15:00, BEBEL SR144

Nuclear magnetic resonance spectroscopy on a (5nm)3 sample volumeTobias Staudacher1, Carlos Meriles2, •Friedemann Reinhard1, and Jörg Wrachtrup11Universität Stuttgart and Research Center SCoPE, Stuttgart, Germany — 2The City College of New York, CUNY New York, USA

We have recently demonstrated nuclear magnetic resonance spectroscopy (NMR) on a nanoscale volume ((5nm)3 ) of various liquid and solid samples, a size comparable to a single macromolecule [1,2]. Access to such small length scales is enabled by an atomically small magnetic field sensor, the nitrogen-vacancy center in diamond. This color defect can be employed as a magnetic sensor by performing precision spectroscopy on its spin sublevels.

I will discuss the details of this experiment as well as one future prospect, hyperpolarization of the sample. It seems feasible to increase magnetization of the sample volume to a level close to unity by coherently transfering magnetization from the optically polarized NV center to the sample.

[1] T. Staudacher et al., Science 339, 561 (2013)

[2] H.J. Mamin et al., Science 339, 557 (2013)

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