Magnetic transitions in the topological magnon insulator Cu(1,3-bdc)

Topological magnon insulators are a new class of magnetic materials that possess topologically nontrivial magnon bands. As a result, magnons in these materials display properties analogous to those of electrons in topological insulators. Here we present magnetization, specific heat, and neutron scat...

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Bibliographic Details
Published in:Physical review. B 2016-06, Vol.93 (21), Article 214403
Main Authors: Chisnell, R., Helton, J. S., Freedman, D. E., Singh, D. K., Demmel, F., Stock, C., Nocera, D. G., Lee, Y. S.
Format: Article
Language:English
Subjects:
Condensed matter
Insulators
Magnetic structure
Magnetization
Magnons
Neutron scattering
Spin waves
Topology
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Summary:Topological magnon insulators are a new class of magnetic materials that possess topologically nontrivial magnon bands. As a result, magnons in these materials display properties analogous to those of electrons in topological insulators. Here we present magnetization, specific heat, and neutron scattering measurements of the ferromagnetic kagome magnet Cu(1,3-bdc). Our measurements provide a detailed description of the magnetic structure and interactions in this material and confirm that it is an ideal prototype for topological magnon physics in a system with a simple spin Hamiltonian.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.93.214403