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Pulsed electron spi...
Pulsed electron spin resonance of an organic microcrystal by dispersive readout
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- Keyser, Ailsa K.V. (författare)
- Imperial College of Science, Technology and Medicine,National Physical Laboratory (NPL)
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- Burnett, J. (författare)
- National Physical Laboratory (NPL)
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- Kubatkin, Sergey, 1959 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Danilov, Andrey, 1961 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Oxborrow, Mark (författare)
- Imperial College of Science, Technology and Medicine
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- de Graaf, Sebastian Erik, 1986 (författare)
- National Physical Laboratory (NPL)
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- Lindström, Tobias, 1976 (författare)
- National Physical Laboratory (NPL)
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
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Ingår i: Journal of Magnetic Resonance. - : Elsevier BV. - 1090-7807 .- 1096-0856. ; 321
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We establish a testbed system for the development of high-sensitivity Electron Spin Resonance (ESR) techniques for small samples at cryogenic temperatures. Our system consists of a NbN thin-film planar superconducting microresonator designed to have a concentrated mode volume to couple to a small amount of paramagnetic material, and to be resilient to magnetic fields of up to 400mT. At 65mK we measure high-cooperativity coupling (C≈19) to an organic radical microcrystal containing 1012 spins in a pico-litre volume. We detect the spin–lattice decoherence rate via the dispersive frequency shift of the resonator. Techniques such as these could be suitable for applications in quantum information as well as for pulsed ESR interrogation of very few spins to provide insights into the surface chemistry of, for example, the material defects in superconducting quantum processors.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Dispersive readout
- High sensitivity ESR for small volumes
- Superconducting resonators
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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