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PUBLICATIONS

External Magnetic Field Effects on a Distorted Kagome Antiferromagnet

Published

Author(s)

J.-H. Kim, Sungdae Ji, S.-H. Lee, B. Lake, Taner N. Yildirim, H. Nojiri, H. Kikuchi, K. Habicht, Yiming Qiu, K. Kiefer

Abstract

We report bulk magnetization, and elastic and inelastic neutron scattering measurements under an external magnetic field, H, on the weakly coupled distorted kagom¿e system, Cu2(OD)3Cl. Our results show that the ordered state below 6.7 K is a canted antiferromagnet and consists of large antiferromagnetic ac-components and smaller ferromagnetic b-components. By first-principle calculations and linear spin wave analysis, we present a simple spin hamiltonian with non-uniform nearest neighbor exchange interactions resulting in a system of coupled spin trimers with a single-ion anisotropy that can qualitatively reproduce the spin dynamics of Cu2(OD)3Cl.
Citation
Physical Review Letters
Volume
101
Issue
10
Pub Type
Journals

Download Paper

https://doi.org/10.1103/physrevlett.101.107201
Local Download

Keywords

frustration, kagome lattice, neutron scattering
Neutron research

Citation

Kim, J. , Ji, S. , Lee, S. , Lake, B. , Yildirim, T. , Nojiri, H. , Kikuchi, H. , Habicht, K. , Qiu, Y. and Kiefer, K. (2008), External Magnetic Field Effects on a Distorted Kagome Antiferromagnet, Physical Review Letters, [online], https://doi.org/10.1103/physrevlett.101.107201, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=610012 (Accessed October 10, 2025)

Issues

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Created September 2, 2008, Updated March 21, 2024
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