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Type: 
Journal
Description: 
The authors report about La0.67Sr0.33MnO3 single crystal manganite thin films in interaction with a gold capping layer. With respect to uncoated manganite layers of the same thickness, Au-capped 4nm thick manganite films reveal a dramatic reduction (≃185K) of the Curie temperature TC and a lower saturation low temperature magnetization M0. A sizable TC reduction (≃60K) is observed even when an inert SrTiO3 layer is inserted between the gold film and the 4nm thick manganite layer, suggesting that this effect might have an electrostatic origin.
Publisher: 
American Institute of Physics
Publication date: 
3 Sep 2007
Authors: 

RICCARDO Bertacco, STEFANO Brivio, MATTEO Cantoni, ANDREA Cattoni, DANIELA Petti, MARCO Finazzi, FRANCO Ciccacci, AA Sidorenko, M Ghidini, G Allodi, R De Renzi

Biblio References: 
Volume: 91 Issue: 10 Pages: 102506
Origin: 
Applied Physics Letters