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Electric and antiferromagnetic chiral textures at multiferroic domain walls

Chauleau, J-Y ; Chirac, T ; Fusil, S ; Garcia, V ; Akhtar, W ; Tranchida, J ; Thibaudeau, P ; Gross, I ; Blouzon, C ; Finco, A ; Bibes, M ; Dkhil, B ; Khalyavin, D D ; Manuel, P ; Jacques, V ; Jaouen, N ; Viret, M

Nature materials, 2020-04, Vol.19 (4), p.386-390 [Revista revisada por pares]

England: Nature Publishing Group

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Electric and antiferromagnetic chiral textures at multiferroic domain walls
Autor: Chauleau, J-Y ; Chirac, T ; Fusil, S ; Garcia, V ; Akhtar, W ; Tranchida, J ; Thibaudeau, P ; Gross, I ; Blouzon, C ; Finco, A ; Bibes, M ; Dkhil, B ; Khalyavin, D D ; Manuel, P ; Jacques, V ; Jaouen, N ; Viret, M
Materias: Antiferromagnetism ; Bismuth compounds ; Chirality ; Condensed Matter ; Domain walls ; Ferroelectric domains ; Ferroelectric materials ; Ferroelectricity ; Ferromagnetism ; Magnetism ; Materials Science ; Multiferroic materials ; Physics ; Room temperature ; Spintronics ; Thin films
Es parte de: Nature materials, 2020-04, Vol.19 (4), p.386-390
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descripción: Chirality, a foundational concept throughout science, may arise at ferromagnetic domain walls and in related objects such as skyrmions . However, chiral textures should also exist in other types of ferroic materials, such as antiferromagnets, for which theory predicts that they should move faster for lower power , and ferroelectrics, where they should be extremely small and possess unusual topologies . Here, we report the concomitant observation of antiferromagnetic and electric chiral textures at domain walls in the room-temperature ferroelectric antiferromagnet BiFeO . Combining reciprocal and real-space characterization techniques, we reveal the presence of periodic chiral antiferromagnetic objects along the domain walls as well as a priori energetically unfavourable chiral ferroelectric domain walls. We discuss the mechanisms underlying their formation and their relevance for electrically controlled topological oxide electronics and spintronics.
Editor: England: Nature Publishing Group
Idioma: Inglés

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Electric and antiferromagnetic chiral textures at multiferroic domain walls

Chauleau, J-Y ; Chirac, T ; Fusil, S ; Garcia, V ; Akhtar, W ; Tranchida, J ; Thibaudeau, P ; Gross, I ; Blouzon, C ; Finco, A ; Bibes, M ; Dkhil, B ; Khalyavin, D D ; Manuel, P ; Jacques, V ; Jaouen, N ; Viret, M

England: Nature Publishing Group

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