title: Perpendicular Exchange-Biased Magnetotransport at the Vertical Heterointerfaces in La(0.7)Sr(0.3)MnO3:NiO Nanocomposites.
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.
authors.forename: Wenrui
authors.initials: W
authors.lastname: Zhang
authors.forename: Leigang
authors.initials: L
authors.lastname: Li
authors.affiliation: Sandia National Laboratories , Albuquerque, New Mexico 87185, United States.
authors.forename: Ping
authors.initials: P
authors.lastname: Lu
authors.forename: Meng
authors.initials: M
authors.lastname: Fan
authors.forename: Qing
authors.initials: Q
authors.lastname: Su
authors.forename: Fauzia
authors.initials: F
authors.lastname: Khatkhatay
authors.affiliation: Center for Integrated Nanotechnologies, MS K771, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States.
authors.forename: Aiping
authors.initials: A
authors.lastname: Chen
authors.affiliation: Center for Integrated Nanotechnologies, MS K771, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States.
authors.forename: Quanxi
authors.initials: Q
authors.lastname: Jia
authors.forename: Xinghang
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Department of Materials Science and Metallurgy, University of Cambridge , 27 Charles Babbage Road, Cambridge CB3 OFS, United Kingdom.
authors.forename: Judith L
authors.initials: JL
authors.lastname: MacManus-Driscoll
authors.forename: Haiyan
authors.initials: H
authors.lastname: Wang
keywords: exchange bias; interface; magnetotransport; perpendicular anisotropy; vertically aligned nanocomposites (VAN)