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Type: 
Journal
Description: 
The effect of the proximity of Au on the electronic and magnetic properties of La0.66Sr0.33MnO3 (LSMO) has been investigated by means of ab initio calculations within the density-functional theory. The calculations show an orbital reconstruction of the interfacial Mn, which is due more to the presence of a discontinuity rather than to a real chemical interaction with Au atoms. In fact, the same orbital reconstruction is found in the free LSMO surface. In both cases of Au/LSMO and LSMO surface, the Mn magnetic moments change very little with respect to the bulk case. In general, the calculations show a negligible influence of the Au atomic layer on LSMO at an ideal interface, with the LSMO surface magnetic and electronic properties essentially unchanged.
Publisher: 
North-Holland
Publication date: 
1 Aug 2012
Authors: 

Daniela Petti, A Stroppa, S Picozzi, Stefano Brivio, Matteo Cantoni, Riccardo Bertacco

Biblio References: 
Volume: 324 Issue: 17 Pages: 2659-2663
Origin: 
Journal of Magnetism and Magnetic Materials