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Phase coexistence and magnetically tuneable polarization in cycloidal multiferroics
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Fina, I., Skumryev, V., O’Flynn, D., Balakrishnan, Geetha and Fontcuberta, J. (2013) Phase coexistence and magnetically tuneable polarization in cycloidal multiferroics. Physical Review B (Condensed Matter and Materials Physics), Volume 88 (Number 10). doi:10.1103/PhysRevB.88.100403 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.88.100403
Abstract
In some magnetic ferroelectrics the polarization P direction can be selected by a magnetic field H. Here we show that in a (Y1−xSmx)MnO3 single crystal, both the direction and the magnitude of P can be controlled solely by H. We argue that this remarkable dual control arises from both the phase coexistence of bc-cycloidal regions within an ab-cycloidal matrix and the annihilation of multiferroic domain walls by H cycling. We show that phase coexistence occurs even within the high-temperature spin-collinear phase and argue that this could be a general property arising from the strong frustration of magnetic interactions in these oxides.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||
Publisher: | American Physical Society | ||||||
ISSN: | 1098-0121 | ||||||
Official Date: | 6 September 2013 | ||||||
Dates: |
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Volume: | Volume 88 | ||||||
Number: | Number 10 | ||||||
DOI: | 10.1103/PhysRevB.88.100403 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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