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  • Title: Perpendicular Exchange-Biased Magnetotransport at the Vertical Heterointerfaces in La(0.7)Sr(0.3)MnO3:NiO Nanocomposites.
    Author: Zhang W, Li L, Lu P, Fan M, Su Q, Khatkhatay F, Chen A, Jia Q, Zhang X, MacManus-Driscoll JL, Wang H.
    Journal: ACS Appl Mater Interfaces; 2015 Oct 07; 7(39):21646-51. PubMed ID: 26394548.
    Abstract:
    Heterointerfaces in manganite-based heterostructures in either layered or vertical geometry control their magnetotransport properties. Instead of using spin-polarized tunneling across the interface, a unique approach based on the magnetic exchange coupling along the vertical interface to control the magnetotransport properties has been demonstrated. By coupling ferromagnetic La0.7Sr0.3MnO3 and antiferromagnetic NiO in an epitaxial vertically aligned nanocomposite (VAN) architecture, a dynamic and reversible switch of the resistivity between two distinct exchange biased states has been achieved. This study explores the use of vertical interfacial exchange coupling to tailor magnetotransport properties, and demonstrates their viability for spintronic applications.
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