Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 34: Poster 1

Q 34.78: Poster

Dienstag, 13. März 2012, 16:30–19:00, Poster.I+II

Nanoscale sensing of a magnetic topology — •Alexander Gerstmayr1, Christoph Müller1, Fedor Jelezko1, Marcus Liebmann2, and Markus Morgenstern21Institut für Quantenoptik, Universität Ulm — 2Physikalisches Institut IIb, RWTH Aachen

For years, the nitrogen-vacancy (NV) center in diamond has been in the spotlight for studies of electron spin coupling. Also the coupling to other near color centers in diamond was studied recently. We will explore single atom control techniques for sensing external spins and imaging them using scanning probe microscopy. External magnetic fields cause a frequency shift of the electron spin resonance of our NV-center, which is detectable by Optically Detected Magnetic Resonance (ODMR). One single NV-center located in a diamond tip is the main part of the future AtomicForce- and MagneticResonanceMicroscope (AFM/MRM). Due to the possibility of single-spin detection in NV-centers under ambient conditions, this combination of AFM and MRM is planned to work even at room temperature as well as low temperature (4 K). We will be able to locate singel spins on the nanoscale.

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