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Multiferroic tunnel junctions and ferroelectric control of magnetic state at interface

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dc.contributor.authorYin, YW-
dc.contributor.authorRaju, M-
dc.contributor.authorHu, WJ-
dc.contributor.authorBurton, JD-
dc.contributor.authorKim, YM-
dc.contributor.authorBorisevich, AY-
dc.contributor.authorPennycook, SJ-
dc.contributor.authorSang Mo Yang-
dc.contributor.authorTaewon Noh-
dc.contributor.authorGruverman, A-
dc.contributor.authorLi, XG-
dc.contributor.authorZhang, ZD-
dc.contributor.authorTsymbal, EY-
dc.contributor.authorLi, Q-
dc.date.available2016-01-07T09:13:47Z-
dc.date.created2015-07-06-
dc.date.issued2015-05-
dc.identifier.issn0021-8979-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2034-
dc.description.abstractAs semiconductor devices reach ever smaller dimensions, the challenge of power dissipation and quantum effect place a serious limit on the future device scaling. Recently, a multiferroic tunnel junction (MFTJ) with a ferroelectric barrier sandwiched between two ferromagnetic electrodes has drawn enormous interest due to its potential applications not only in multi-level data storage but also in electric field controlled spintronics and nanoferronics. Here, we present our investigations on four-level resistance states, giant tunneling electroresistance (TER) due to interfacial magnetoelectric coupling, and ferroelectric control of spin polarized tunneling in MFTJs. Coexistence of large tunneling magnetoresistance and TER has been observed in manganite/(Ba, Sr)TiO3/manganite MFTJs at low temperatures and room temperature four-resistance state devices were also obtained. To enhance the TER for potential logic operation with a magnetic memory, La0.7Sr0.3MnO3/BaTiO3/La0.5Ca0.5MnO3 /La0.7Sr0.3MnO3 MFTJs were designed by utilizing a bilayer tunneling barrier in which BaTiO3 is ferroelectric and La0.5Ca0.5MnO3 is close to ferromagnetic metal to antiferromagnetic insulator phase transition. The phase transition occurs when the ferroelectric polarization is reversed, resulting in an increase of TER by two orders of magnitude. Tunneling magnetoresistance can also be controlled by the ferroelectric polarization reversal, indicating strong magnetoelectric coupling at the interface. (c) 2015 AIP Publishing LLC-
dc.description.uri1-
dc.language영어-
dc.publisherAMER INST PHYSICS-
dc.titleMultiferroic tunnel junctions and ferroelectric control of magnetic state at interface-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000354984100542-
dc.identifier.scopusid2-s2.0-84924102809-
dc.identifier.rimsid20520ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorSang Mo Yang-
dc.contributor.affiliatedAuthorTaewon Noh-
dc.identifier.doi10.1063/1.4913753-
dc.identifier.bibliographicCitationJOURNAL OF APPLIED PHYSICS, v.117, no.17, pp.172601-
dc.citation.titleJOURNAL OF APPLIED PHYSICS-
dc.citation.volume117-
dc.citation.number17-
dc.citation.startPage172601-
dc.date.scptcdate2018-10-01-
dc.description.wostc10-
dc.description.scptc12-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusROOM-TEMPERATURE-
dc.subject.keywordPlusOXIDE HETEROSTRUCTURES-
dc.subject.keywordPlusSPIN POLARIZATION-
dc.subject.keywordPlusMAGNETORESISTANCE-
dc.subject.keywordPlusELECTRORESISTANCE-
dc.subject.keywordPlusBARRIERS-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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