Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.86.045124
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dc.titleMetallic state in La-doped YBa 2Cu 3O y thin films with n-type charge carriers
dc.contributor.authorZeng, S.W.
dc.contributor.authorWang, X.
dc.contributor.authorLü, W.M.
dc.contributor.authorHuang, Z.
dc.contributor.authorMotapothula, M.
dc.contributor.authorLiu, Z.Q.
dc.contributor.authorZhao, Y.L.
dc.contributor.authorAnnadi, A.
dc.contributor.authorDhar, S.
dc.contributor.authorMao, H.
dc.contributor.authorChen, W.
dc.contributor.authorVenkatesan, T.
dc.contributor.authorAriando
dc.date.accessioned2014-10-07T04:32:19Z
dc.date.available2014-10-07T04:32:19Z
dc.date.issued2012-07-20
dc.identifier.citationZeng, S.W., Wang, X., Lü, W.M., Huang, Z., Motapothula, M., Liu, Z.Q., Zhao, Y.L., Annadi, A., Dhar, S., Mao, H., Chen, W., Venkatesan, T., Ariando (2012-07-20). Metallic state in La-doped YBa 2Cu 3O y thin films with n-type charge carriers. Physical Review B - Condensed Matter and Materials Physics 86 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.86.045124
dc.identifier.issn10980121
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82687
dc.description.abstractWe report hole and electron doping in La-doped YBa 2Cu 3O y (YBCO) thin films synthesized by the pulsed laser deposition technique and subsequent in situ postannealing in ambient oxygen and vaccum. The n-type samples show a metallic behavior below the Mott limit and a high carrier density of ∼2.8×1021 cm -3 at room temperature (T) at the optimally reduced condition. The in-plane resistivity(ρ ab) of the n-type samples exhibits a quadratic T dependence in the moderate-T range and shows an anomaly at a relatively higher T probably related to pseudogap formation analogous to underdoped Nd 2-xCe xCuO 4 (NCCO). Furthermore, ρ ab(T), T c, and T with minimum resistivity (T min) were investigated in both p and n sides. The present results reveal the n-p asymmetry (symmetry) within the metallic-state region in an underdoped cuprate and suggest the potential toward ambipolar superconductivity in a single YBCO system. © 2012 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevB.86.045124
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevB.86.045124
dc.description.sourcetitlePhysical Review B - Condensed Matter and Materials Physics
dc.description.volume86
dc.description.issue4
dc.description.page-
dc.description.codenPRBMD
dc.identifier.isiut000306602200002
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