Giant effect of uniaxial pressure on magnetic domain populations in multiferroic bismuth ferrite

M. Ramazanoglu; W. Ratcliff; H. T. Yi; A. A. Sirenko; S. W. Cheong; V. Kiryukhin

doi:10.1103/PhysRevLett.107.067203

Giant effect of uniaxial pressure on magnetic domain populations in multiferroic bismuth ferrite

M. Ramazanoglu^*, W. Ratcliff, H. T. Yi, A. A. Sirenko, S. W. Cheong, V. Kiryukhin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Neutron diffraction is used to show that small (∼7MPa, or 70bar) 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 original position. These results demonstrate 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.

Original language	English
Article number	067203
Journal	Physical Review Letters
Volume	107
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.107.067203
Publication status	Published - 3 Aug 2011
Externally published	Yes

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abstract = "Neutron diffraction is used to show that small (∼7MPa, or 70bar) 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 original position. These results demonstrate 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.",

author = "M. Ramazanoglu and W. Ratcliff and Yi, {H. T.} and Sirenko, {A. A.} and Cheong, {S. W.} and V. Kiryukhin",

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AU - Ramazanoglu, M.

AU - Ratcliff, W.

AU - Yi, H. T.

AU - Sirenko, A. A.

AU - Cheong, S. W.

AU - Kiryukhin, V.

PY - 2011/8/3

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AB - Neutron diffraction is used to show that small (∼7MPa, or 70bar) 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 original position. These results demonstrate 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.

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Giant effect of uniaxial pressure on magnetic domain populations in multiferroic bismuth ferrite

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