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Structure and magnetism of Co ultrathin films grown on Pd/Cu(100) monolayer
Author(s) -
Yafeng Lu,
M. Przybylski,
Wenhong Wang,
Lei Yan,
Shi Yi-Sheng,
Juri Barthel
Publication year - 2005
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.5405
Subject(s) - materials science , monolayer , epitaxy , substrate (aquarium) , kerr effect , magnetism , pulsed laser deposition , layer (electronics) , deposition (geology) , lattice (music) , thin film , analytical chemistry (journal) , condensed matter physics , nanotechnology , chemistry , physics , paleontology , oceanography , nonlinear system , quantum mechanics , sediment , chromatography , acoustics , biology , geology
We have grown epitaxial Co films on a single monolayer of Pd on Cu(100) substrate at room temperature. The interlayer of Pd was grown by pulsed laser deposition, whereas the Co layer was prepared by thermal deposition. A layer-by-layer growth mode continues until at least 11 ML Co layers in comparison to 4 ML on Pd(100)substrate, which is due to a reduced lattice mismatch between Co and the Pd/Cu(100) substrate in comparison to the Co on Pd(100) system. Compared to Co films on Pd(100), a larger slope of the thickness dependence of longitudinal magneto-o ptical Kerr rotation has been found in the Co/Pd/Cu(100) films with thickness ab ove 2 ML. We have also found an increase of longitudinal magneto-optical Kerr ro tation for Co/Pd/Cu(100) in comparison to Co/Cu(100) system which may be attribu ted to the Co/Pd interface effect.

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