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Magnetic long-range order induced by quantum ralaxation in single-molecule magnets

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dc.creator Evangelisti, Marco
dc.creator Luis Vitalla, Fernando
dc.creator Mettes, F. L.
dc.creator Aliaga-Alcalde, Núria
dc.creator Aromí Bedmar, Guillem
dc.creator Alonso, J. J.
dc.creator Christou, G.
dc.creator Jongh, L. J. de
dc.date 2010-07-05T09:35:20Z
dc.date 2010-07-05T09:35:20Z
dc.date 2004
dc.date.accessioned 2024-12-16T10:24:20Z
dc.date.available 2024-12-16T10:24:20Z
dc.identifier 0031-9007
dc.identifier http://hdl.handle.net/2445/13274
dc.identifier 532927
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/17497
dc.description Can magnetic interactions between single-molecule magnets (SMMs) in a crystal establish long-range magnetic order at low temperatures deep in the quantum regime, where the only electron spin fluctuations are due to incoherent magnetic quantum tunneling (MQT)? Put inversely: can MQT provide the temperature dependent fluctuations needed to destroy the ordered state above some finite Tc, although it should basically itself be a T-independent process? Our experiments on two novel Mn4 SMMs provide a positive answer to the above, showing at the same time that MQT in the SMMs has to involve spin-lattice coupling at a relaxation rate equaling that predicted and observed recently for nuclear-spin-mediated quantum relaxation.
dc.format 4 p.
dc.format application/pdf
dc.language eng
dc.publisher American Physical Society
dc.relation Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.93.117202
dc.relation Physical Review Letters, 2004, vol. 93, núm. 11, p. 117202-1-117202-4
dc.relation http://dx.doi.org/10.1103/PhysRevLett.93.117202
dc.rights (c) American Physical Society, 2004
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Química Inorgànica i Orgànica)
dc.subject Materials
dc.subject Propietats magnètiques
dc.subject Magnetic properties and materials
dc.title Magnetic long-range order induced by quantum ralaxation in single-molecule magnets
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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