Metamagnetism and 1/3 Plateau in the Spin Chain Compound CoV2O6

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dc.creatorKimber, Simon A. J.
dc.creatorArgyriou, Dimitri N.
dc.creatorAttfield, J. Paul
dc.date2008-04-18
dc.date.accessioned2026-07-07T09:33:26Z
dc.date.available2026-07-07T09:33:26Z
dc.descriptionThe pseudo-one dimensional brannerite type compound CoV2O6 has been studied by magnetisation and heat capacity measurements in the temperature range 1.8 < T < 300 K and in applied fields of up to 9 T. Our measurements show an unusual balance of exchange interactions (CW= 2.8(2) K) and a single antiferromagnetic transition at TN = 7 K. M(H) isotherms recorded below 5 K show a metamagnetic transition and a 1/3 magnetisation plateau. From 5-7 K, only the metamagnetic transition is observed. For T < TN < ~ 25 K, our heat capacity and magnetisation measurements show evidence for strong low dimensional ferromagnetic fluctuations. We propose a simple phase diagram, discuss the principle features and emphasise the importance of Ising anisotropy.
dc.descriptionSubmitted as PRB brief
dc.identifierhttps://arxiv.org/abs/0804.2966
dc.identifierhttp://arxiv.org/abs/0804.2966
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/159134
dc.subjectStrongly Correlated Electrons
dc.titleMetamagnetism and 1/3 Plateau in the Spin Chain Compound CoV2O6
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