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Thickness-dependent magnetic properties of oxygen-deficient EuO
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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 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.84.075219
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, Engineering and Medicine > 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: |
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| 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 | ||||
| Date of first compliant deposit: | 30 March 2016 | ||||
| Date of first compliant Open Access: | 5 April 2016 | ||||
| Funder: | Science and Technology Facilities Council (Great Britain) (STFC), Deutsche Forschungsgemeinschaft (DFG) |
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