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S. N. Barilo on Muck Rack

S. N. Barilo

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Three-dimensional magnetism and the Dzyaloshinskii-Moriya interaction in S = 3/2 kagome staircase Co3V2O8

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By J. S. Helton, Y. Y. Chen, G. L. Bychkov, S. N. Barilo
| Science Magazine Verified
Abstract Time-of-flight neutron data reveal spin waves in the ferromagnetic ground state of the kagome staircase material Co3V2O8. While previous work has treated this material as quasi–two-dimensional, we find that an inherently three-dimensional description is needed to describe the spin wave spectrum throughout reciprocal space. Moreover, spin wave branches show gaps that point to an unexpectedly large Dzyaloshinskii-Moriya interaction on the nearest-neighbor bond, with D1 ≥ J1/2.
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