TY - JOUR
T1 - Robust ferroelectric state in multiferroic Mn1-xZn xWO4
AU - Chaudhury, R. P.
AU - Ye, F.
AU - Fernandez-Baca, J. A.
AU - Lorenz, B.
AU - Wang, Y. Q.
AU - Sun, Y. Y.
AU - Mook, H. A.
AU - Chu, C. W.
PY - 2011/1/10
Y1 - 2011/1/10
N2 - We report on the remarkably robust ferroelectric state in the multiferroic compound Mn1-xZnxWO4. Substitution of the magnetic Mn2⊃+ with nonmagnetic Zn2⊃+ reduces the magnetic exchange and provides control of the various magnetic and multiferroic states of MnWO 4. Only 5% of Zn substitution results in complete suppression of the frustrated collinear (paraelectric) low-temperature phase. The helical magnetic and ferroelectric phase develops as the ground state. The multiferroic state is stable up to a high level of substitution of more than 50%. The magnetic, thermodynamic, and dielectric properties, as well as the ferroelectric polarization of single crystals of Mn1-xZnxWO4, are studied for different substitutions up to x=0.5. The magnetic phases have been identified in single-crystal neutron-scattering experiments. The ferroelectric polarization scales with the neutron intensity of the incommensurate peak of the helical phase.
AB - We report on the remarkably robust ferroelectric state in the multiferroic compound Mn1-xZnxWO4. Substitution of the magnetic Mn2⊃+ with nonmagnetic Zn2⊃+ reduces the magnetic exchange and provides control of the various magnetic and multiferroic states of MnWO 4. Only 5% of Zn substitution results in complete suppression of the frustrated collinear (paraelectric) low-temperature phase. The helical magnetic and ferroelectric phase develops as the ground state. The multiferroic state is stable up to a high level of substitution of more than 50%. The magnetic, thermodynamic, and dielectric properties, as well as the ferroelectric polarization of single crystals of Mn1-xZnxWO4, are studied for different substitutions up to x=0.5. The magnetic phases have been identified in single-crystal neutron-scattering experiments. The ferroelectric polarization scales with the neutron intensity of the incommensurate peak of the helical phase.
UR - http://www.scopus.com/inward/record.url?scp=79551545306&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.83.014401
DO - 10.1103/PhysRevB.83.014401
M3 - Article
AN - SCOPUS:79551545306
SN - 1098-0121
VL - 83
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 1
M1 - 014401
ER -