Interface reactions in LSMO-metal hybrid structures

Homonnay, N., O'Shea, K., Eisenschmidt, C., Wahler, M., MacLaren, D. and Schmidt, G. (2015) Interface reactions in LSMO-metal hybrid structures. ACS Applied Materials and Interfaces, 7(40), pp. 22196-22202. (doi:10.1021/acsami.5b04465)

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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. Whilst 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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:MacLaren, Dr Donald and O'Shea, Miss Kerry
Authors: Homonnay, N., O'Shea, K., Eisenschmidt, C., Wahler, M., MacLaren, D., and Schmidt, G.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:ACS Applied Materials and Interfaces
Publisher:American Chemical Society
ISSN:1944-8244
ISSN (Online):1944-8252
Copyright Holders:Copyright © 2015 American Chemical Society
First Published:First published in ACS Applied Materials and Interfaces 7(40):22196-22202
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
530721Integrating advanced nanomaterials into transformative technologiesDonald MaclarenEngineering & Physical Sciences Research Council (EPSRC)EP/I00419X/1P&A - PHYSICS & ASTRONOMY