Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.74.052409
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dc.titleSize dependence of the nonlinear transport properties in arrays of nanoconstrictions in phase separated La0.67 Sr0.33 MnO3-δ
dc.contributor.authorLiu, H.J.
dc.contributor.authorOng, C.K.
dc.date.accessioned2014-10-16T09:41:10Z
dc.date.available2014-10-16T09:41:10Z
dc.date.issued2006
dc.identifier.citationLiu, H.J., Ong, C.K. (2006). Size dependence of the nonlinear transport properties in arrays of nanoconstrictions in phase separated La0.67 Sr0.33 MnO3-δ. Physical Review B - Condensed Matter and Materials Physics 74 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.74.052409
dc.identifier.issn10980121
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97943
dc.description.abstractThe transport properties of La0.67 Sr0.33 MnO3-δ nanoconstrictions, with lateral sizes of around 90 nm and 180 nm, respectively, have been studied. Both samples exhibited bias current dependence of resistance and these nonlinear transport properties varied with the size of the nanoconstriction. Compared with the nanoconstriction array of 180 nm, the nanoconstriction array of 90 nm has a lower metal-insulator transition temperature Tp, a larger magnetoresistance at the same bias current, and a larger electroresistance at the same external magnetic field. The experimental features can be understood in the framework of phase separation by taking into account the size dependence of the fraction of insulating phase and the percolation threshold for the metallic phase. The present work sheds some light on the magnetotransport behavior in nanoscaled systems of phase separated manganite. © 2006 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevB.74.052409
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevB.74.052409
dc.description.sourcetitlePhysical Review B - Condensed Matter and Materials Physics
dc.description.volume74
dc.description.issue5
dc.description.page-
dc.description.codenPRBMD
dc.identifier.isiut000240238400012
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