Wang, J.
, Fishman, R.
, Qiu, Y.
, Fernandez-Baca, J.
, Ehlers, G.
, Liang, K.
, Wang, Y.
, Lorenz, B.
, Chu, C.
and Ye, F.
(2018),
Comprehensive Inelastic Neutron Scattering Study of the Multiferroic Mn<sub>1-x</sub>Co<sub>x</sub>WO<sub>4</sub>, Physical Review B, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=926544
(Accessed October 28, 2025)
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Comprehensive Inelastic Neutron Scattering Study of the Multiferroic Mn1-xCoxWO4
Published
Author(s)
Jinchen Wang, R. S. Fishman, , J. A. Fernandez-Baca, Georg Ehlers, K.-C. Liang, Yaqi Wang, Bernd Lorenz, C. W. Chu, Feng Ye
Abstract
Using high-resolution inelastic neutron scattering, we examine the spin dynamics of Mn1-xCoxWO4 in the collinear AF1, the ac-b spiral AF2, and the ac spiral AF5 phases. The spin wave excitations are well described by a Heisenberg model with competing long-range exchange interactions (Ji up to 12th nearest-neighbors) and the single-ion anisotropy K induced by the spin-orbit interaction. While the exchange constants are relatively unchanged, the dominant effect of doping is to change the single-ion anisotropy from easy axis (K>0) in the collinear AF1 phase to easy plane (K<0) in the two multiferroic phases.Citation
Physical Review B
Volume
98
Issue
21
Pub Type
Journals
Download Paper
Keywords
spin wave, multiferroic, neutron scattering
Citation
Issues
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Created December 13, 2018, Updated October 12, 2021