title: Interface Reactions in LSMO-Metal Hybrid Structures.
abstract: Perovskites form a class of promising materials for the development of multifunctional devices but require reliable strategies for forming electrical contacts without compromising functionality. We explore the interactions of a range of metal contacts with ferromagnetic oxide La0.7Sr0.3MnO3 (LSMO) and discuss their impact on the magnetic, structural, and chemical properties of the oxide. Although the noble metals gold and silver have negligible impact, metals typically used as adhesion layers, such as titanium and chromium, drive substantial reduction of the oxide, impairing its performance. These effects can be suppressed by inserting a thin barrier layer, such as the conductive oxide SrRuO3.
authors.affiliation: Institut für Physik, Martin-Luther University Halle-Wittenberg , Von-Danckelmann-Platz 3 06120 Halle, Germany.
authors.forename: Nico
authors.initials: N
authors.lastname: Homonnay
authors.affiliation: SUPA, School of Physics and Astronomy, University of Glasgow , Glasgow G12 8QQ, United Kingdom.
authors.forename: Kerry J
authors.initials: KJ
authors.lastname: ÓShea
authors.affiliation: Institut für Physik, Martin-Luther University Halle-Wittenberg , Von-Danckelmann-Platz 3 06120 Halle, Germany.
authors.forename: Christian
authors.initials: C
authors.lastname: Eisenschmidt
authors.affiliation: Institut für Physik, Martin-Luther University Halle-Wittenberg , Von-Danckelmann-Platz 3 06120 Halle, Germany.
authors.forename: Martin
authors.initials: M
authors.lastname: Wahler
authors.affiliation: SUPA, School of Physics and Astronomy, University of Glasgow , Glasgow G12 8QQ, United Kingdom.
authors.forename: Donald A
authors.initials: DA
authors.lastname: MacLaren
authors.affiliation: Institut für Physik, Martin-Luther University Halle-Wittenberg , Von-Danckelmann-Platz 3 06120 Halle, Germany.|Interdisziplinäres Zentrum für Materialwissenschaften, Martin-Luther University Halle-Wittenberg , Nanotechnikum Weinberg, Heinrich-Damerow-Straße 4 06120 Halle, Germany.
authors.forename: Georg
authors.initials: G
authors.lastname: Schmidt
keywords: LSMO; LSMO oxygen deficiency; LSMO−metal interfaces; complex oxide degradation; complex oxide electrical contacts; complex oxide−metal interfaces