Magnetism in the high-Tc analogue Cs2AgF4 studied with muon-spin relaxation

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dc.creatorLancaster, T.
dc.creatorBlundell, S. J.
dc.creatorBaker, P. J.
dc.creatorHayes, W.
dc.creatorGiblin, S. R.
dc.creatorMcLain, S. E.
dc.creatorPratt, F. L.
dc.creatorSalman, Z.
dc.creatorJacobs, E. A.
dc.creatorTurner, J. F. C.
dc.creatorBarnes, T.
dc.date2007-04-04
dc.date.accessioned2026-07-07T08:42:28Z
dc.date.available2026-07-07T08:42:28Z
dc.descriptionWe present the results of a muon-spin relaxation study of the high-Tc analogue material Cs2AgF4. We find unambiguous evidence for magnetic order, intrinsic to the material, below T_C=13.95(3) K. The ratio of inter- to intraplane coupling is estimated to be |J'/J|=1.9 x 10^-2, while fits of the temperature dependence of the order parameter reveal a critical exponent beta=0.292(3), implying an intermediate character between pure two- and three- dimensional magnetism in the critical regime. Above T_C we observe a signal characteristic of dipolar interactions due to linear F-mu-F bonds, allowing the muon stopping sites in this compound to be characterized.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0704.0604
dc.identifierhttp://arxiv.org/abs/0704.0604
dc.identifierPhys. Rev. B 75, 220408(R) (2007)
dc.identifierdoi:10.1103/PhysRevB.75.220408
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/141973
dc.subjectStrongly Correlated Electrons
dc.titleMagnetism in the high-Tc analogue Cs2AgF4 studied with muon-spin relaxation
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