Persistent Spin Dynamics in the $S=1/2$ V$_{15}$ Molecular Nano-Magnet

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dc.creatorSalman, Z.
dc.creatorKiefl, R. F.
dc.creatorChow, K. H.
dc.creatorMacFarlane, W. A.
dc.creatorKeeler, T.
dc.creatorParolin, T.
dc.creatorTabbara, S.
dc.creatorWang, D.
dc.date2008-05-14
dc.date.accessioned2026-07-07T09:58:36Z
dc.date.available2026-07-07T09:58:36Z
dc.descriptionWe present muon spin lattice relaxation measurements in the V15 spin 1/2 molecular nano-magnet. We find that the relaxation rate in low magnetic fields (<5 kG) is temperature independent below ~10 K, implying that the molecular spin is dynamically fluctuating down to 12 mK. These measurements show that the fluctuation time increases as the temperature is decreased and saturates at a value of ~6 nsec at low temperatures. The fluctuations are attributed to V15 molecular spin dynamics perpendicular to the applied magnetic field direction, induced by coupling between the molecular spin and nuclear spin bath in the system.
dc.descriptionAccepted for publication in Phys. Rev. B, 5 pages, 5 figure
dc.identifierhttps://arxiv.org/abs/0805.2164
dc.identifierhttp://arxiv.org/abs/0805.2164
dc.identifierPhys. Rev. B 77, 214415 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.214415
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167778
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.subjectStrongly Correlated Electrons
dc.titlePersistent Spin Dynamics in the $S=1/2$ V$_{15}$ Molecular Nano-Magnet
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