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Spatially Resolved Variations in Reflectivity Across Iron Oxide Thin Films

DOI: 10.1016/j.jmmm.2017.04.004 DOI Help

Authors: Chris S. Kelley (Diamond Light Source; University of York) , Sarah M. Thompson (University of York) , Daniel Gilks (University of York) , James Sizeland (University of York) , Leonardo Lari (University of York) , Vlado K. Lazarov (University of York) , Kosuke Matsuzaki (Tokyo Institute of Technology) , Stéphane Lefrançois (SOLEIL Synchrotron) , Gianfelice Cinque (Diamond Light Source) , Paul Dumas (SOLEIL Synchrotron)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Magnetism And Magnetic Materials

State: Published (Approved)
Published: April 2017

Open Access Open Access

Abstract: The spin polarising properties of the iron oxide magnetite (Fe3O4Fe3O4) make it attractive for use in spintronic devices, but its sensitivity to compositional and structural variations make it challenging to prepare reliably. Infrared microspectroscopy and modelling are used to determine the spatial variation in the chemical composition of three thin films of iron oxide prepared using three different deposition methods. The technique is easily able to distinguish between films which contain metallic iron and different iron oxide phases as well as spatial variations in composition across the films.

Journal Keywords: Magnetoresistance; Infrared; Oxides; Spintronics

Subject Areas: Materials, Physics


Other Facilities: SOLEIL