Dynamics of linarite: observations of magnetic excitations

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dc.contributor.authorRule, KCen_AU
dc.contributor.authorWillenberg, Ben_AU
dc.contributor.authorSchäpers, Men_AU
dc.contributor.authorWolter, AUBen_AU
dc.contributor.authorBüchner, Ben_AU
dc.contributor.authorDrechsler, SLen_AU
dc.contributor.authorEhlers, Gen_AU
dc.contributor.authorTennant, DAen_AU
dc.contributor.authorMole, RAen_AU
dc.contributor.authorGardner, JSen_AU
dc.contributor.authorSüllow, Sen_AU
dc.contributor.authorNishimoto, Sen_AU
dc.date.accessioned2024-12-12T22:45:31Zen_AU
dc.date.available2024-12-12T22:45:31Zen_AU
dc.date.issued2017-01-26en_AU
dc.date.statistics2024-09-25en_AU
dc.description.abstractHere we present inelastic neutron scattering measurements from the frustrated, quantum spin-1/2 chain material linarite, PbCuSO4(OH)2. Time of flight data, taken at 0.5 K and zero applied magnetic field reveals low-energy dispersive spin wave excitations below 1.5 meV both parallel and perpendicular to the Cu-chain direction. From this we confirm that the interchain couplings within linarite are around 10% of the nearest neighbor intrachain interactions. We analyze the data within both linear spin-wave theory and density matrix renormalization group theories and establish the main magnetic exchange interactions and the simplest realistic Hamiltonian for this material. ©2017 American Physical Society.en_AU
dc.description.sponsorshipWe are grateful for the local support staff at the SNS. This research was supported in part by the DFG under Grant Nos. WO 1532/3-2, SU 229/9-2 and SFB-1143. This research used resources at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. We acknowledge fruitful discussions with N. Shannon, O. Starykh, and U. Rößler. We thank U. Nitzsche for technical assistance. We thank G. Heide and M. Gäbelein from the Geoscientific Collection in Freiberg for providing the linarite crystals.en_AU
dc.identifier.articlenumber024430en_AU
dc.identifier.citationRule, K. C., Willenberg, B., Schäpers, M., Wolter, A. U. B., Büchner, B., Drechsler, S. L., Ehlers, G., Tennant, D. A., Mole, R. A., Gardner, J. S., Süllow, S., & Nishimoto, S. (2017). Dynamics of linarite: observations of magnetic excitations. Physical Review B, 95(2), 024430. doi:10.1103/PhysRevB.95.024430en_AU
dc.identifier.issn2469-9950en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttps://doi.org/10.1103/physrevb.95.024430en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15819en_AU
dc.identifier.volume95en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectMagnetismen_AU
dc.subjectDynamicsen_AU
dc.subjectSpinen_AU
dc.subjectChainsen_AU
dc.subjectCopperen_AU
dc.subjectLeaden_AU
dc.subjectMagnetic fieldsen_AU
dc.subjectExchange interactionsen_AU
dc.subjectAntiferromagnetismen_AU
dc.titleDynamics of linarite: observations of magnetic excitationsen_AU
dc.typeJournal Articleen_AU
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