Note: High sensitivity pulsed electron spin resonance spectroscopy with induction detection.

@article{Twig2011NoteHS,
  title={Note: High sensitivity pulsed electron spin resonance spectroscopy with induction detection.},
  author={Ygal Twig and Ekaterina Dikarov and Wayne Douglas Hutchison and Aharon Blank},
  journal={The Review of scientific instruments},
  year={2011},
  volume={82 7},
  pages={
          076105
        }
}
Commercial electron spin resonance spectroscopy and imaging systems make use of the so-called "induction" or "Faraday" detection, which is based on a radio frequency coil or a microwave resonator. The sensitivity of induction detection does not exceed ~3 × 10(8) spins/√Hz. Here we show that through the use of a new type of surface loop-gap microresonators (inner size of 20 μm), operating at cryogenic temperatures at a field of 0.5 T, one can improve upon this sensitivity barrier by more than 2… CONTINUE READING

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