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Article: The enhanced magnetoelectric effect and piezoelectric properties in the lead-free Bi3.15Nd0.85Ti3O12/La0.7Ca0.3MnO3 nano-multilayers composite thin films

TitleThe enhanced magnetoelectric effect and piezoelectric properties in the lead-free Bi3.15Nd0.85Ti3O12/La0.7Ca0.3MnO3 nano-multilayers composite thin films
Authors
KeywordsLead-free BNT/LCMO nano-multilayers
Ferroelectric properties
Magnetization
Temperature dependence of ME effect
Issue Date2019
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom
Citation
Journal of Alloys and Compounds, 2019, v. 777, p. 485-491 How to Cite?
AbstractThe lead-free multiferroic nano-multilayers composite thin films were fabricated on basis of ferroelectric (FE) Bi3.15Nd0.85Ti3O12 (BNT) and ferromagnetic (FM) La0.7Ca0.3MnO3 (LCMO) parents with 8 nm/6 nm periodicity, respectively. The crystal structure, switching of polarization, magnetization and temperature dependence of magnetoelectric coupling (ME) effect for the multiferroic BNT/LCMO composite thin films were investigated in detail, respectively. Ferroelectric behavior along with an enhanced remnant polarization (2Pr) of 42 μC/cm2, saturated magnetization around 151 emu/cm3, the enhanced piezoelectric coefficient d33 of 263 pm/V and the enhanced magnetoelectric effect voltage coefficient of 72.1 mV/cm*Oe were obtained. The results show that the lead-free multiferroic films exhibit both good ferroelectric, dielectric and magnetic properties, as well as the enhanced ME effects, indicating that the coupling effects of electric and magnetic field exist in the fabricated Bi3.15Nd0.85Ti3O12/La0.7Ca0.3MnO3 (BNT/LCMO) nano-multilayer thin films, and the strong ME effect originating from the magnetic-mechanical-electric interaction and interface coupling were demonstrated. These results can be particularly important for developing nano-composite multiferroic devices.
Persistent Identifierhttp://hdl.handle.net/10722/266510
ISSN
2017 Impact Factor: 3.779
2015 SCImago Journal Rankings: 1.006
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTang, Z-
dc.contributor.authorLiu, Z-
dc.contributor.authorMa, J-
dc.contributor.authorFan, J-
dc.contributor.authorZhong, M-
dc.contributor.authorTang, XG-
dc.contributor.authorLu, SG-
dc.contributor.authorTang, M-
dc.contributor.authorGao, J-
dc.date.accessioned2019-01-18T08:21:05Z-
dc.date.available2019-01-18T08:21:05Z-
dc.date.issued2019-
dc.identifier.citationJournal of Alloys and Compounds, 2019, v. 777, p. 485-491-
dc.identifier.issn0925-8388-
dc.identifier.urihttp://hdl.handle.net/10722/266510-
dc.description.abstractThe lead-free multiferroic nano-multilayers composite thin films were fabricated on basis of ferroelectric (FE) Bi3.15Nd0.85Ti3O12 (BNT) and ferromagnetic (FM) La0.7Ca0.3MnO3 (LCMO) parents with 8 nm/6 nm periodicity, respectively. The crystal structure, switching of polarization, magnetization and temperature dependence of magnetoelectric coupling (ME) effect for the multiferroic BNT/LCMO composite thin films were investigated in detail, respectively. Ferroelectric behavior along with an enhanced remnant polarization (2Pr) of 42 μC/cm2, saturated magnetization around 151 emu/cm3, the enhanced piezoelectric coefficient d33 of 263 pm/V and the enhanced magnetoelectric effect voltage coefficient of 72.1 mV/cm*Oe were obtained. The results show that the lead-free multiferroic films exhibit both good ferroelectric, dielectric and magnetic properties, as well as the enhanced ME effects, indicating that the coupling effects of electric and magnetic field exist in the fabricated Bi3.15Nd0.85Ti3O12/La0.7Ca0.3MnO3 (BNT/LCMO) nano-multilayer thin films, and the strong ME effect originating from the magnetic-mechanical-electric interaction and interface coupling were demonstrated. These results can be particularly important for developing nano-composite multiferroic devices.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom-
dc.relation.ispartofJournal of Alloys and Compounds-
dc.subjectLead-free BNT/LCMO nano-multilayers-
dc.subjectFerroelectric properties-
dc.subjectMagnetization-
dc.subjectTemperature dependence of ME effect-
dc.titleThe enhanced magnetoelectric effect and piezoelectric properties in the lead-free Bi3.15Nd0.85Ti3O12/La0.7Ca0.3MnO3 nano-multilayers composite thin films-
dc.typeArticle-
dc.identifier.emailGao, J: jugao@hku.hk-
dc.identifier.authorityGao, J=rp00699-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jallcom.2018.10.379-
dc.identifier.scopuseid_2-s2.0-85056227836-
dc.identifier.hkuros296727-
dc.identifier.volume777-
dc.identifier.spage485-
dc.identifier.epage491-
dc.identifier.isiWOS:000454856800059-
dc.publisher.placeNetherlands-

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