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Quantum spin coherence in halogen-modified Cr7Ni molecular nanomagnets

arXiv
Authors: Danielle Kaminski, Amy L. Webber, Christopher J. Wedge, Junjie Liu, Grigore A. Timco, Inigo J. Vitorica-Yrezabal, Eric J. L. McInnes, Richard E. P. Winpenny, Arzhang Ardavan

Year

2014

Paper ID

47762

Status

Preprint

Abstract Read

~2 min

Abstract Words

90

Citations

N/A

Abstract

Among the factors determining the quantum coherence of the spin in molecular magnets is the presence and the nature of nuclear spins in the molecule. We have explored modifying the nuclear spin environment in Cr7Ni-based molecular nanomagnets by replacing hydrogen atoms with deuterium or the halogen atoms, fluorine or chlorine. We find that the spin coherence, studied at low temperatures by pulsed electron spin resonance, is modified by a range of factors, including nuclear spin and magnetic moment, changes in dynamics owing to nuclear mass, and molecular morphology changes.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2014 reference point for readers tracking recent quantum research.
  • Among the factors determining the quantum coherence of the spin in molecular magnets is the presence and the nature of nuclear spins in the molecule.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.0821 [2] arXiv https://arxiv.org/abs/1409.0821 [3] Publisher https://arxiv.org/abs/1409.0821

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