Single spin EPR and NMR with diamond atomic spin sensors

Sensing small amounts of electron and nuclear spins has a very wide application in chemistry, physics and biology. In this work we plan to develop novel type of spin detection techniques, which will allow to reach ultimate sensitivity and detect a single electron and nuclear spins at ambient conditions as well at cryogenic temperatures. Moreover, since we use an atomic sized single optically active spin in diamond as detector, we will be able to image spins with nanometer resolution by using scanning probe techniques. In order to realize this goal, we will first theoretically design novel sensing methods that will not be disturbed by the presence of unwanted spin fluctuations. This will allow the detection of single spins of interest even in complicated biological environment, where the spin noise is unavoidable. These new techniques will be demonstrated experimentally by detecting spin labels on diamond in controlled conditions.

F. Jelezko

Prof. Dr. Fedor Jelezko

Universität Ulm, Institut für Quantenoptik, Albert-Einstein-Allee 11, 89081 Ulm
Tel.: +49 731 50-23750 Email: fedor.jelezko(
Fax: +49 731 50-23752 Website: http://
M. B. Plenio

Prof. Dr. Martin B. Plenio

Universität Ulm,Institut für Theoretische Physik, Albert-Einstein-Allee 11, 89069 Ulm
Tel.: +49 731 50-22900 Email: martin.plenio(@)
Fax: +49 731 50-22924 Website: http://
J. Wrachtrup

Prof. Dr. Jörg Wrachtrup

3. Physikalisches Institut der Universität Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart
Tel.: +49 711 6856-5278 Email:
Fax: +49 711 6856-4495 Website: http://