Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4

doi:10.1103/PhysRevB.98.214425

This content will become publicly available on December 14, 2019

Title: Comprehensive inelastic neutron scattering study of the multiferroic ${Mn}_{1 - x} {Co}_{x} {WO}_{4}$

Abstract

Here, using high-resolution inelastic neutron scattering, we examine the spin dynamics of Mn _1-xCo _xWO ₄ 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 (J _i 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:

Wang, Jinchen ^[1];

^[2]; Qiu, Yiming ^[3];

^[2];

^[2]; Liang, K.-C. ^[4]; Wang, Yaqi ^[4]; Lorenz, Bernd ^[4]; Chu, C. W. ^[5];

^[2]

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:: 2018-12-14

Research Org.:: Oak Ridge National Lab. (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.

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                    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.  doi:10.1103/PhysRevB.98.214425.

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                    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.  doi:10.1103/PhysRevB.98.214425.

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@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         = {2018},

  month        = {12}

}

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DOI: 10.1103/PhysRevB.98.214425

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Works referenced in this record:

Multiferroics progress and prospects in thin films
journal, January 2007

Ramesh, R.; Spaldin, Nicola A.
Nature Materials, Vol. 6, Issue 1, p. 21-29
DOI: 10.1038/nmat1805

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This content will become publicly available on December 14, 2019

Title: Comprehensive inelastic neutron scattering study of the multiferroic Mn 1 - x Co x WO 4

Abstract

Citation Formats

Multiferroics progress and prospects in thin films journal, January 2007

Title: Comprehensive inelastic neutron scattering study of the multiferroic ${Mn}_{1 - x} {Co}_{x} {WO}_{4}$

Multiferroics progress and prospects in thin films
journal, January 2007