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Article: Colossal elastoresistance and strain effects on phase-separated Pr0.5Sr0.5MnO3 films

TitleColossal elastoresistance and strain effects on phase-separated Pr0.5Sr0.5MnO3 films
Authors
Issue Date2012
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0295-5075
Citation
EPL (Europhysics Letters), 2012, v. 100 n. 4, p. 47006:1-5 How to Cite?
AbstractWe have studied the electrically tunable strain effects on phase-separated Pr0.5Sr0.5MnO3 films epitaxially grown on ferroelectric 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 (001) substrates. Upon cooling, the film shows a ferromagnetic metal to antiferromagnetic insulator (FMM-AFI) transition at low temperature. Such a transition is depressed and finally disappears in electrical properties with increasing electric field applied on the substrate. Under an electric field of 6 kV/cm, a large reversible resistance drop (~85%) as well as an enhancement of magnetization is achieved. In situ X-ray diffraction indicates that the substrate-induced strain plays a crucial role in determining the properties in the film by tuning the phase competition between the ferromagnetic metallic and antiferromagnetic insulating state. The FMM-AFI transition in the film is demonstrated to be originated from a large biaxial strain. With decreasing strain, the FMM state is enhanced, leading to a colossal elastoresistance.
Persistent Identifierhttp://hdl.handle.net/10722/223716
ISSN
2015 Impact Factor: 1.963
2015 SCImago Journal Rankings: 0.565

 

DC FieldValueLanguage
dc.contributor.authorChen, LP-
dc.contributor.authorWang, F-
dc.contributor.authorChen, YS-
dc.contributor.authorSun, Y-
dc.contributor.authorGao, J-
dc.date.accessioned2016-03-10T02:00:43Z-
dc.date.available2016-03-10T02:00:43Z-
dc.date.issued2012-
dc.identifier.citationEPL (Europhysics Letters), 2012, v. 100 n. 4, p. 47006:1-5-
dc.identifier.issn0295-5075-
dc.identifier.urihttp://hdl.handle.net/10722/223716-
dc.description.abstractWe have studied the electrically tunable strain effects on phase-separated Pr0.5Sr0.5MnO3 films epitaxially grown on ferroelectric 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 (001) substrates. Upon cooling, the film shows a ferromagnetic metal to antiferromagnetic insulator (FMM-AFI) transition at low temperature. Such a transition is depressed and finally disappears in electrical properties with increasing electric field applied on the substrate. Under an electric field of 6 kV/cm, a large reversible resistance drop (~85%) as well as an enhancement of magnetization is achieved. In situ X-ray diffraction indicates that the substrate-induced strain plays a crucial role in determining the properties in the film by tuning the phase competition between the ferromagnetic metallic and antiferromagnetic insulating state. The FMM-AFI transition in the film is demonstrated to be originated from a large biaxial strain. With decreasing strain, the FMM state is enhanced, leading to a colossal elastoresistance.-
dc.languageeng-
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0295-5075-
dc.relation.ispartofEPL (Europhysics Letters)-
dc.rightsEPL (Europhysics Letters). Copyright © Institute of Physics Publishing Ltd..-
dc.titleColossal elastoresistance and strain effects on phase-separated Pr0.5Sr0.5MnO3 films-
dc.typeArticle-
dc.identifier.emailChen, LP: chen0003@hku.hk-
dc.identifier.emailGao, J: jugao@hku.hk-
dc.identifier.authorityGao, J=rp00699-
dc.identifier.doi10.1209/0295-5075/100/47006-
dc.identifier.hkuros213466-
dc.identifier.volume100-
dc.identifier.issue4-
dc.identifier.spage47006-p1-
dc.identifier.epage47006-p5-
dc.publisher.placeUnited Kingdom-

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