Barbagallo, M., Stollenwerk, T., Kroha, J., Steinke, Nina-J., Hine, Nicholas, Cooper, Joshaniel F. K., Barnes, Crispin H. W., Ionescu, Adrian M., Monteiro, P. M. D. S., Kim, J. -Y., Ziebeck, K. R. A., Kinane, Christian J., Dalgliesh, R. M., Charlton, Timothy R. and Langridge, Sean (2011) Thickness-dependent magnetic properties of oxygen-deficient EuO. Physical Review B (Condensed Matter and Materials Physics), 84 (7). pp. 1-4. 075219 . doi:10.1103/PhysRevB.84.075219

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Abstract

We have studied how the magnetic properties of oxygen-deficient EuO sputtered thin films vary as a function of thickness. The magnetic moment, measured by polarized neutron reflectometry, and the Curie temperature are found to decrease with reducing thickness. Our results indicate that these surface-induced effects are caused by the reduced number of nearest neighbors, band bending, and the partial depopulation of the 4f states of Eu.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	Europium -- Magnetic properties, Semiconductors
Journal or Publication Title:	Physical Review B (Condensed Matter and Materials Physics)
Publisher:	American Physical Society
ISSN:	1098-0121
Official Date:	April 2011
Dates:	Date Event April 2011 Accepted
Volume:	84
Number:	7
Number of Pages:	4
Page Range:	pp. 1-4
Article Number:	075219
DOI:	10.1103/PhysRevB.84.075219
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Science and Technology Facilities Council (Great Britain) (STFC), Deutsche Forschungsgemeinschaft (DFG)

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