Physics – Condensed Matter – Materials Science
Scientific paper
2010-10-19
Appl. Phys. Lett. 97, 162509 (2010)
Physics
Condensed Matter
Materials Science
4 pages, Accepted for publication in Applied Physics Letters
Scientific paper
10.1063/1.3505495
The effect of the AlOx barrier thickness on magnetic and morphological properties of Ta/Co/(AlOx)/Alq3/Si hybrid structures was systematically studied by means of atomic force microscopy, SQUID magnetometry and nuclear magnetic resonance (NMR). All used techniques pointed out that the barrier thickness of 2 nm is required to obtain a magnetically good cobalt layer on top of Alq3. 59Co NMR measurements revealed that the AlOx barrier gives rise to the formation of an interface layer with "defective" cobalt favouring growth of "bulk" cobalt with good magnetic properties.
Bergenti Ilaria
Dediu Valentin
Ghidini M.
Graziosi Patrizio
Hindmarch A. T.
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