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  Electric-field-induced spin disorder-to-order transition near a multiferroic triple phase point

Jang, B.-K., Lee, J. H., Chu, K., Sharma, P., Kim, G.-Y., Ko, K.-T., et al. (2017). Electric-field-induced spin disorder-to-order transition near a multiferroic triple phase point. Nature Physics, 13(2), 189-196. doi:10.1038/NPHYS3902.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-E02F-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-6E1F-4
Genre: Journal Article

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 Creators:
Jang, Byung-Kweon1, Author
Lee, Jin Hong1, Author
Chu, Kanghyun1, Author
Sharma, Pankaj1, Author
Kim, Gi-Yeop1, Author
Ko, Kyung-Tae2, Author              
Kim, Kwang-Eun1, Author
Kim, Yong-Jin1, Author
Kang, Kyungrok1, Author
Jane, Han-Byul1, Author
Jang, Hoyoung1, Author
Jung, Min Hwa1, Author
Song, Kyung1, Author
Koo, Tae Yeong1, Author
Choi, Si-Young1, Author
Seidel, Jan1, Author
Jeong, Yoon Hee1, Author
Ohldag, Hendrik1, Author
Lee, Jun-Sik1, Author
Yang, Chan-Ho1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Kyung-Tae Ko, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863451              

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 Abstract: The emergence of a triple phase point in a two-dimensional parameter space (such as pressure and temperature) can offer unforeseen opportunities for the coupling of two seemingly independent order parameters. On the basis of this, we demonstrate the electric control of magnetic order by manipulating chemical pressure: lanthanum substitution in the antiferromagnetic ferroelectric BiFeO3. Our demonstration relies on the finding that a multiferroic triple phase point of a single spin-disordered phase and two spin-ordered phases emerges near room temperature in Bi0.9La0.1FeO3 ferroelectric thin films. By using spatially resolved X-ray absorption spectroscopy, we provide direct evidence that the electric poling of a particular region of the compound near the triple phase point results in an antiferromagnetic phase while adjacent unpoled regions remain magnetically disordered, opening a promising avenue for magnetoelectric applications at room temperature.

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Language(s): eng - English
 Dates: 2017-01-232017-01-23
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000394070700027
DOI: 10.1038/NPHYS3902
 Degree: -

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Title: Nature Physics
  Other : Nat. Phys.
Source Genre: Journal
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Publ. Info: London : Nature Pub. Group
Pages: - Volume / Issue: 13 (2) Sequence Number: - Start / End Page: 189 - 196 Identifier: ISSN: 1745-2473
CoNE: /journals/resource/1000000000025850