Comprehensive inelastic neutron scattering study of the multiferroic Mn1-xCoxWO4

doi:10.1103/PhysRevB.98.214425

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_xWO₄ 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.  https://www.osti.gov/servlets/purl/1490590.

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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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Multiferroics of spin origin
journal, July 2014

Stabilized helical spin order and multiferroic phase coexistence in MnWO $_{4}$ : Consequence of $4 d$ Ru substitution of Mn
journal, March 2013

Magnetic phase transitions of ${MnWO}_{4}$ studied by the use of neutron diffraction
journal, September 1993

Conical antiferromagnetic order in the ferroelectric phase of Mn $_{0.8}$ Co $_{0.2}$ WO $_{4}$ resulting from the competition between collinear and cycloidal structures
journal, June 2012

Magnetic-field-induced spontaneous polarization reversal in multiferroic ${Mn}_{0.85}$ ${Co}_{0.15}$ ${WO}_{4}$
journal, February 2014

Multiferroic phase of doped delafossite ${CuFeO}_{2}$ identified using inelastic neutron scattering
journal, July 2010

Effect of Nonmagnetic Substituents Mg and Zn on the Phase Competition in the Multiferroic Antiferromagnet MnWO ₄
journal, November 2009

A new multiferroic material: MnWO ₄
journal, September 2006

Competing Magnetic Anisotropy Fields and Double Polarization Flops in Multiferroic Mn _{1- x} Co _x WO ₄
journal, December 2013

Ferroelectric Polarization Flop in a Frustrated Magnet ${MnWO}_{4}$ Induced by a Magnetic Field
journal, August 2006

Magnetic order and spin-flop transitions in the cobalt-doped multiferroic Mn $_{1 - x}$ Co $_{x}$ WO $_{4}$
journal, September 2012

Multiferroics—toward strong coupling between magnetization and polarization in a solid
journal, March 2007

Multiferroicity on the Zigzag-Chain Antiferromagnet MnWO ₄ in High Magnetic Fields
journal, May 2012

Long-range magnetic interactions in the multiferroic antiferromagnet MnWO $_{4}$
journal, April 2011

The complex multiferroic phase diagram of Mn _{1− x} Co _x WO ₄
journal, July 2012

Biquadratic Superexchange
journal, March 1964

The cold neutron chopper spectrometer at the Spallation Neutron Source—A review of the first 8 years of operation
journal, September 2016

Observation of spontaneous ferroelectric polarization reversal in multiferroic Mn1−xNixWO4 (x ≈ 0.16)
journal, June 2014

Electric polarization reversal and memory in a multiferroic material induced by magnetic fields
journal, May 2004

Role of the Dzyaloshinskii-Moriya interaction in multiferroic perovskites
journal, March 2006

Reinvestigation of Magnetic Structures for the Thermally Induced States of CuFe _{1- x} Al _x O ₂ ( x =0.00, 0.02 and 0.05) Using a Four-Circle Neutron Diffractometer
journal, May 2005

Magnetic control of ferroelectric polarization
journal, November 2003

DAVE: A Comprehensive Software Suite for the Reduction, Visualization, and Analysis of Low Energy Neutron Spectroscopic Data
journal, November 2009

Origin of multiferroicity in MnWO $_{4}$
journal, April 2013

Stabilization of the elliptical spiral phase and the spin-flop transition in multiferroic ${Mn}_{1 - x} {Co}_{x} {WO}_{4}$
journal, June 2009

X phase of ${MnWO}_{4}$
journal, July 2014

Ferroelectricity in the cycloidal spiral magnetic phase of $Mn W O_{4}$
journal, November 2006

Magnetic switching and phase competition in the multiferroic antiferromagnet ${Mn}_{1 - x} {Fe}_{x} {WO}_{4}$
journal, November 2008

Spin-wave and electromagnon dispersions in multiferroic ${MnWO}_{4}$ as observed by neutron spectroscopy: Isotropic Heisenberg exchange versus anisotropic Dzyaloshinskii-Moriya interaction
journal, June 2016

Crystal structure, incommensurate magnetic order, and ferroelectricity in ${Mn}_{1 - x} {Cu}_{x} WO_{4} (0 \leq x \leq 0.19)$
journal, June 2015

Local symmetry and magnetic anisotropy in multiferroic ${MnWO}_{4}$ and antiferromagnetic ${CoWO}_{4}$ studied by soft x-ray absorption spectroscopy
journal, November 2010

Multiferroics progress and prospects in thin films
journal, January 2007

Electromagnon with Sensitive Terahertz Magnetochromism in a Room-Temperature Magnetoelectric Hexaferrite
journal, January 2018

Multiferroics: a magnetic twist for ferroelectricity
journal, January 2007

Incommensurate magnetic structures of multiferroic MnWO $_{4}$ studied within the superspace formalism
journal, January 2013

Bond electronic polarization induced by spin
journal, December 2006

Pressure effects on magnetic ground states in cobalt-doped multiferroic ${Mn}_{1 − x} {Co}_{x} {WO}_{4}$
journal, April 2016

Magnetic and multiferroic phases of single-crystalline ${Mn}_{0.85} {Co}_{0.15} {WO}_{4}$
journal, November 2010

Microscopic theory of spin-polarization coupling in multiferroic transition metal oxides
journal, October 2007

Spin Current and Magnetoelectric Effect in Noncollinear Magnets
journal, July 2005

Multiferroics: Different ways to combine magnetism and ferroelectricity
journal, November 2006

Ga-substitution-induced single ferroelectric phase in multiferroic ${CuFeO}_{2}$
journal, July 2008