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Magnetic fan structures in Ba_{0.5}Sr_{1.5}Zn_{2}Fe_{12}O_{22} hexaferrite revealed by resonant soft x-ray diffraction

DOI: 10.1103/PhysRevB.88.174413 DOI Help

Authors: A. Hearmon (University of Oxford) , R. D. Johnson (University of Oxford) , T. Beale (University of Durham) , S. Dhesi (Diamond Light Source) , X. Luo (Pohang University of Science and Technology) , S.-w. Cheong (Pohang University of Science and Technology) , P. Steadman (Diamond Light Source) , P. Radaelli (University of Oxford)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review B , VOL 88 (17)

State: Published (Approved)
Published: November 2013

Abstract: The hexaferrites are known to exhibit a wide range of magnetic structures, some of which are connected to important technological applications and display magnetoelectric properties.We present data on the lowmagnetic field structures stabilized in a Y-type hexaferrite as observed by resonant soft x-ray diffraction. The helical spin block arrangement that is present in zero applied magnetic field becomes fanlike as a field is applied in plane. The propagation vectors associated with each fan structure are studied as a function of magnetic field, and a new magnetic phase is reported. Mean field calculations indicate this phase should stabilize close to the boundary of the previously reported phases.

Journal Keywords: Ba0.5Sr1.5Zn2Fe12O22 Soft X-Ray Diffraction Hexaferrite Magnetic Fan Structures

Subject Areas: Physics, Materials


Instruments: I06-Nanoscience , I10-Beamline for Advanced Dichroism