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SUMMARY:Pushing the frontiers of nanoscale spin detection - Christian Dege
 n (ETH Zurich)
DTSTART:20111114T153000Z
DTEND:20111114T170000Z
UID:TALK33846@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:Detection of the faint magnetic signal from electron or nuclea
 r spins in small samples is an outstanding problem across the physical and
  biological sciences. In quantum physics\, scientists hope to measure the 
 orientation of single spins on their way to implement complex quantum info
 rmation algorithms\, while in structural biology\, one could envision to d
 irectly image the three-dimensional arrangement of complex macromolecules 
 with atomic resolution.\n\n \n\nIn this talk I will discuss our lab’s ef
 forts towards these goals based on two different ultrasensitive scanning p
 robe microscopy techniques. In a first part\, I will describe the basics o
 f “Magnetic Resonance Force Microscopy” (MRFM)\, a cantilever-based me
 thod that has recently enabled detection of a single electron and ensemble
 s ~100 nuclear spins. In a second part of the talk I will introduce the co
 ncept of “scanning NV magnetometry” using single nitrogen-vacancy defe
 cts in diamond\, and present our lab’s first steps towards an experiment
 al implementation of this new idea\n
LOCATION:Rutherford building\, Seminar Room B
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