Comprehensive inelastic neutron scattering study of the multiferroic
Abstract
Here, 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 cycloidal 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. Additionally, 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.
- Authors:
-
- Renmin Univ. of China, Beijing (China); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
- University of Houston, TX (United States)
- University of Houston, TX (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1490590
- Alternate Identifier(s):
- OSTI ID: 1486902
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 98; Journal Issue: 21; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Wang, Jinchen, Fishman, Randy Scott, Qiu, Yiming, Fernandez-Baca, Jaime A., Ehlers, Georg, Liang, K.-C., Wang, Yaqi, Lorenz, Bernd, Chu, C. W., and Ye, Feng. Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4. United States: N. p., 2018.
Web. doi:10.1103/PhysRevB.98.214425.
Wang, Jinchen, Fishman, Randy Scott, Qiu, Yiming, Fernandez-Baca, Jaime A., Ehlers, Georg, Liang, K.-C., Wang, Yaqi, Lorenz, Bernd, Chu, C. W., & Ye, Feng. Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4. United States. https://doi.org/10.1103/PhysRevB.98.214425
Wang, Jinchen, Fishman, Randy Scott, Qiu, Yiming, Fernandez-Baca, Jaime A., Ehlers, Georg, Liang, K.-C., Wang, Yaqi, Lorenz, Bernd, Chu, C. W., and Ye, Feng. Fri .
"Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4". United States. https://doi.org/10.1103/PhysRevB.98.214425. https://www.osti.gov/servlets/purl/1490590.
@article{osti_1490590,
title = {Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4},
author = {Wang, Jinchen and Fishman, Randy Scott and Qiu, Yiming and Fernandez-Baca, Jaime A. and Ehlers, Georg and Liang, K.-C. and Wang, Yaqi and Lorenz, Bernd and Chu, C. W. and Ye, Feng},
abstractNote = {Here, 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 cycloidal 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. Additionally, 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.},
doi = {10.1103/PhysRevB.98.214425},
journal = {Physical Review B},
number = 21,
volume = 98,
place = {United States},
year = {Fri Dec 14 00:00:00 EST 2018},
month = {Fri Dec 14 00:00:00 EST 2018}
}
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