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Magnetic ordering in Fe/Co sandwiches on Cu(100)
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Razee, S. S. A., Staunton, J. B. and Szunyogh, L. (2009) Magnetic ordering in Fe/Co sandwiches on Cu(100). In: 13th Workshop on Dynamical Phenomena at Surfaces, Cambridge, England, JUL, 2008. Published in: Journal of Physics: Condensed Matter, Vol.21 (No.26). Article no. 265004.
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Official URL: http://dx.doi.org/10.1088/0953-8984/21/26/265004
Abstract
We investigate magnetic correlations and local magnetic moments at finite temperatures of some Fe and Co multilayers on Cu(100) substrates, such as ComFenCom/Cu(100) and FemConFem/Cu(100). We use an ab initio mean-field theory of magnetic fluctuations for layered materials based on the first-principles local spin-density functional theory implemented through the screened Korringa-Kohn-Rostoker method. We find that the presence of Fe layers in the neighbourhood of a Co layer always leads to a reduction in the magnetic moment of the Co atoms, whereas that of the Fe atoms is enhanced. Of particular interest is the lack of local moment formation on the single fcc-Co layer sandwiched between two fcc-Fe layers. However, a Co layer completely immersed in a Cu environment remains ferromagnetic. The Curie temperature of the ComFenCom/Cu(100) system oscillates as the Fe layer thickness is increased whereas that of the FemConFem/Cu(100) system increases almost monotonically with Co layer thickness.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Journal of Physics: Condensed Matter |
| Publisher: | Institute of Physics Publishing Ltd. |
| ISSN: | 0953-8984 |
| Date: | 1 July 2009 |
| Volume: | Vol.21 |
| Number: | No.26 |
| Number of Pages: | 7 |
| Page Range: | Article no. 265004 |
| Identification Number: | 10.1088/0953-8984/21/26/265004 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Kuwait University, Research Administration, Hungarian National Scientific Research Foundation |
| Grant number: | SP 02/02, K68312, K77771 |
| Conference Paper Type: | Paper |
| Title of Event: | 13th Workshop on Dynamical Phenomena at Surfaces |
| Type of Event: | Conference |
| Location of Event: | Cambridge, England |
| Date(s) of Event: | JUL, 2008 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/27790 |
Data sourced from Thomson Reuters' Web of Knowledge
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