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dc.contributor.author
Müller, Marvin
dc.contributor.author
Huang, Yen‐Lin
dc.contributor.author
Vélez, Saül
dc.contributor.author
Ramesh, Ramamoorthy
dc.contributor.author
Fiebig, Manfred
dc.contributor.author
Trassin, Morgan
dc.date.accessioned
2022-02-10T08:17:32Z
dc.date.available
2021-10-21T06:41:49Z
dc.date.available
2021-10-21T07:10:06Z
dc.date.available
2021-10-28T14:40:01Z
dc.date.available
2021-11-08T12:09:28Z
dc.date.available
2021-12-10T09:39:13Z
dc.date.available
2022-02-10T08:17:32Z
dc.date.issued
2021-12-29
dc.identifier.issn
0935-9648
dc.identifier.issn
1521-4095
dc.identifier.other
10.1002/adma.202104688
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/510918
dc.identifier.doi
10.3929/ethz-b-000510918
dc.description.abstract
The functionalities of BiFeO3-based magnetoelectric multiferroic heterostructures rely on the controlled manipulation of their ferroelectric domains and of the corresponding net in-plane polarization, as this aspect guides the voltage-controlled magnetic switching. Chemical substitution has emerged as a key to push the energy dissipation of the BiFeO3 into the attojoule range but appears to result in a disordered domain configuration. Using non-invasive optical second-harmonic generation on heavily La-substituted BiFeO3 films, it is shown that a weak net in-plane polarization remains imprinted in the pristine films despite the apparent domain disorder. It is found that this ingrained net in-plane polarization can be trained with out-of-plane electric fields compatible with applications. Operando studies on capacitor heterostructures treated in this way show the full restoration of the domain configuration of pristine BiFeO3 along with a giant net in-plane polarization enhancement. Thus, the experiments reveal a surprising robustness of the net in-plane polarization of BiFeO3 against chemical modification, an important criterion in ongoing attempts to integrate magnetoelectric materials into energy-efficient devices.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
BiFeO3
en_US
dc.subject
Magnetoelectrics
en_US
dc.subject
Multiferroics
en_US
dc.subject
Operando
en_US
dc.subject
Optical second-harmonic generation
en_US
dc.title
Training the Polarization in Integrated La0.15Bi0.85FeO3-Based Devices
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2021-10-04
ethz.journal.title
Advanced Materials
ethz.journal.volume
33
en_US
ethz.journal.issue
52
en_US
ethz.journal.abbreviated
Adv Mater
ethz.pages.start
2104688
en_US
ethz.size
7 p.; 12 p. accepted version
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.grant
Multifunctional oxide electronics using natural ferroelectric superlattices
en_US
ethz.grant
In-situ second harmonic generation for emergent electronics in transition-metal oxides
en_US
ethz.grant
Dynamical processes in systems with strong electronic correlations
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Weinheim
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::03918 - Fiebig, Manfred / Fiebig, Manfred
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::03918 - Fiebig, Manfred / Fiebig, Manfred
en_US
ethz.grant.agreementno
188414
ethz.grant.agreementno
694955
ethz.grant.agreementno
178825
ethz.grant.agreementno
188414
ethz.grant.agreementno
694955
ethz.grant.agreementno
178825
ethz.grant.fundername
SNF
ethz.grant.fundername
EC
ethz.grant.fundername
SNF
ethz.grant.fundername
SNF
ethz.grant.fundername
EC
ethz.grant.fundername
SNF
ethz.grant.funderDoi
10.13039/501100001711
ethz.grant.funderDoi
10.13039/501100000780
ethz.grant.funderDoi
10.13039/501100001711
ethz.grant.funderDoi
10.13039/501100001711
ethz.grant.funderDoi
10.13039/501100000780
ethz.grant.funderDoi
10.13039/501100001711
ethz.grant.program
H2020
ethz.grant.program
H2020
ethz.grant.program
Projekte MINT
ethz.grant.program
Projekte MINT
ethz.date.deposited
2021-10-21T06:41:55Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-10-21T07:10:12Z
ethz.rosetta.lastUpdated
2024-02-02T16:18:18Z
ethz.rosetta.versionExported
true
ethz.COinS
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