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Giant Effect of Uniaxial Pressure on Magnetic Domain Populations in Multiferroic Bismuth Ferrite

Published

Author(s)

M. Ramazanoglu, William D. Ratcliff, H. T. Yi, A. A. Sirenko, S.- W. Cheong, V. Kiryukhin

Abstract

Neutron diffraction is used to show that small (7 MPa, or 70 bar) uniaxial pressure produces significant changes in the populations of magnetic domains in a single crystal of 2% Nd-doped bismuth ferrite. The magnetic easy plane of the domains converted by the pressure is rotated 60° relative to its orginal position. These results deomonstrate extreme sensitivity of the magnetic properties of multiferroic bismuth ferrite to tiny (less than 10-4) elastic strain, as well as weakness of the forces pinning the domain walls between the cycloidal magnetic domains in this material.
Citation
Physical Review Letters
Volume
107
Issue
6

Keywords

multiferroic

Citation

Ramazanoglu, M. , Ratcliff, W. , Yi, H. , Sirenko, A. , Cheong, S. and Kiryukhin, V. (2011), Giant Effect of Uniaxial Pressure on Magnetic Domain Populations in Multiferroic Bismuth Ferrite, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=908803 (Accessed June 12, 2024)

Issues

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Created August 4, 2011, Updated October 12, 2021