Strain engineering a multiferroic monodomain in thin-film BiFeO3

<p>The presence of domains in ferroic materials can negatively affect their macroscopic properties and hence their usefulness in device applications. From an experimental perspective, measuring materials comprising multiple domains can complicate the interpretation of material properties and t...

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Main Authors: Waterfield Price, N, Vibhakar, A, Johnson, R, Schad, J, Saenrang, W, Bombardi, A, Chmiel, F, Eom, C, Radaelli, P
Format: Journal article
Published: American Physical Society 2019
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author Waterfield Price, N
Vibhakar, A
Johnson, R
Schad, J
Saenrang, W
Bombardi, A
Chmiel, F
Eom, C
Radaelli, P
author_facet Waterfield Price, N
Vibhakar, A
Johnson, R
Schad, J
Saenrang, W
Bombardi, A
Chmiel, F
Eom, C
Radaelli, P
author_sort Waterfield Price, N
collection OXFORD
description <p>The presence of domains in ferroic materials can negatively affect their macroscopic properties and hence their usefulness in device applications. From an experimental perspective, measuring materials comprising multiple domains can complicate the interpretation of material properties and their underlying mechanisms. In general, BiFeO<sub>3</sub> films tend to grow with multiple magnetic domains and often contain multiple ferroelectric and ferroelastic domain variants. By growing (111)-oriented BiFeO<sub>3</sub> films on an orthorhombic TbScO<sub>3</sub> substrate, we are able to overcome this, and, by exploiting the magnetoelastic coupling between the magnetic and crystal structures, bias the growth of a given magnetic-, ferroelectric-, and structural-domain film. We further demonstrate the coupling of the magnetic structure to the ferroelectric polarisation by showing the magnetic polarity in this domain is inverted upon 180° ferroelectric switching.</p>
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spelling oxford-uuid:ede38bce-20ef-4fe3-9906-856c671db1132022-03-27T11:28:31ZStrain engineering a multiferroic monodomain in thin-film BiFeO3Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ede38bce-20ef-4fe3-9906-856c671db113Symplectic Elements at OxfordAmerican Physical Society2019Waterfield Price, NVibhakar, AJohnson, RSchad, JSaenrang, WBombardi, AChmiel, FEom, CRadaelli, P<p>The presence of domains in ferroic materials can negatively affect their macroscopic properties and hence their usefulness in device applications. From an experimental perspective, measuring materials comprising multiple domains can complicate the interpretation of material properties and their underlying mechanisms. In general, BiFeO<sub>3</sub> films tend to grow with multiple magnetic domains and often contain multiple ferroelectric and ferroelastic domain variants. By growing (111)-oriented BiFeO<sub>3</sub> films on an orthorhombic TbScO<sub>3</sub> substrate, we are able to overcome this, and, by exploiting the magnetoelastic coupling between the magnetic and crystal structures, bias the growth of a given magnetic-, ferroelectric-, and structural-domain film. We further demonstrate the coupling of the magnetic structure to the ferroelectric polarisation by showing the magnetic polarity in this domain is inverted upon 180° ferroelectric switching.</p>
spellingShingle Waterfield Price, N
Vibhakar, A
Johnson, R
Schad, J
Saenrang, W
Bombardi, A
Chmiel, F
Eom, C
Radaelli, P
Strain engineering a multiferroic monodomain in thin-film BiFeO3
title Strain engineering a multiferroic monodomain in thin-film BiFeO3
title_full Strain engineering a multiferroic monodomain in thin-film BiFeO3
title_fullStr Strain engineering a multiferroic monodomain in thin-film BiFeO3
title_full_unstemmed Strain engineering a multiferroic monodomain in thin-film BiFeO3
title_short Strain engineering a multiferroic monodomain in thin-film BiFeO3
title_sort strain engineering a multiferroic monodomain in thin film bifeo3
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