Magnetic frustration in a quantum spin chain: the case of Linarite PbCuSO4(OH)(2)

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dc.contributor.authorWillenberg, Ben_AU
dc.contributor.authorSchäpers, Men_AU
dc.contributor.authorRule, KCen_AU
dc.contributor.authorSüllow, Sen_AU
dc.contributor.authorReehuis, Men_AU
dc.contributor.authorRyll, Hen_AU
dc.contributor.authorKlemke, Ben_AU
dc.contributor.authorKiefer, Ken_AU
dc.contributor.authorSchottenhamel, Wen_AU
dc.contributor.authorBüchner, Ben_AU
dc.contributor.authorOuladdiaf, Ben_AU
dc.contributor.authorUhlarz, Men_AU
dc.contributor.authorBeyer, Ren_AU
dc.contributor.authorWosnitza, Jen_AU
dc.contributor.authorWolter, A U Ben_AU
dc.date.accessioned2014-05-26T23:41:02Zen_AU
dc.date.available2014-05-26T23:41:02Zen_AU
dc.date.issued2012-03-16en_AU
dc.date.statistics2014-05-27en_AU
dc.description.abstractWe present a combined neutron diffraction and bulk thermodynamic study of the natural mineral linarite PbCuSO4(OH)(2), this way establishing the nature of the ground-state magnetic order. An incommensurate magnetic ordering with a propagation vector k = (0, 0.186, 1/2) was found below T-N = 2.8 K in a zero magnetic field. The analysis of the neutron diffraction data yields an elliptical helical structure, where one component (0.638 mu(B)) is in the monoclinic ac plane forming an angle with the a axis of 27(2)degrees, while the other component (0.833 mu(B)) points along the b axis. From a detailed thermodynamic study of bulk linarite in magnetic fields up to 12 T, applied along the chain direction, a very rich magnetic phase diagram is established, with multiple field-induced phases, and possibly short-range-order effects occurring in high fields. Our data establish linarite as a model compound of the frustrated one-dimensional spin chain, with ferromagnetic nearest-neighbor and antiferromagnetic next-nearest-neighbor interactions. Long-range magnetic order is brought about by interchain coupling 1 order of magnitude smaller than the intrachain coupling. © 2012, American Physical Society.en_AU
dc.identifier.articlenumber117202en_AU
dc.identifier.citationWillenberg, B., Schäpers, M., Rule, K. C., Süllow, S., Reehuis, M., Ryll, H., Klemke, B., Kiefer, K., Schottenhamel, W., Büchner, B., Ouladdiaf, B., Uhlarz, M., Beyer, R., Wosnitza, J., & Wolter, A. U. B. (2012). Magnetic frustration in a quantum spin chain: the case of Linarite PbCuSO4(OH)(2). Physical Review Letters, 108(11), 117202. doi:10.1103/PhysRevLett.108.117202en_AU
dc.identifier.govdoc4627en_AU
dc.identifier.issn0031-9007en_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitlePhysical Review Lettersen_AU
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevLett.108.117202en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5656en_AU
dc.identifier.volume108en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectNeutronsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectMagnetismen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectFerromagnetismen_AU
dc.subjectEnergy levelsen_AU
dc.titleMagnetic frustration in a quantum spin chain: the case of Linarite PbCuSO4(OH)(2)en_AU
dc.typeJournal Articleen_AU
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