Spin reorientation transition and near room-temperature multiferroic properties in a W-type hexaferrite SrZn{sub 1.15}Co{sub 0.85}Fe{sub 16}O{sub 27}

Journal Article · Fri Mar 07 00:00:00 EST 2014 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.4867370· OSTI ID:22277950

Song, Y. Q.; Fang, Y.; Wang, L. Y.; Zhou, W. P.; Cao, Q. Q.; Du, Y. W. ^[1]

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1. National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (China)

In this Letter, we investigate the magnetic and multiferroic properties of a W-type hexaferrite SrZn{sub 1.15}Co{sub 0.85}Fe{sub 16}O{sub 27}. Due to the strong planar contribution to the anisotropy provided by Co{sup 2+} ions, this hexaferrite shows a spin reorientation transition from easy-axis to easy-cone at 302 K, which is different from the onset temperature of ferroelectric polarization, 275 K. By applying magnetic field, a remarkable drop of polarization is observed, suggesting a large magnetoelectric effect in this multiferroics. The difference between spin reorientation and ferroelectric phase transition temperature as well as the origin of magnetoelectric effect are discussed.

• OSTI ID: 22277950
• Journal Information: Journal of Applied Physics, Vol. 115, Issue 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ADIABATIC DEMAGNETIZATION
ANISOTROPY
COBALT COMPOUNDS
COBALT IONS
ELECTRICAL PROPERTIES
FERRITES
FERROELECTRIC MATERIALS
MAGNETIC FIELDS
MAGNETIC PROPERTIES
PHASE TRANSFORMATIONS
POLARIZATION
SPIN
STRONTIUM COMPOUNDS
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE 0273-0400 K
TRANSITION TEMPERATURE
ZINC COMPOUNDS