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Growth and oxidation of vanadium ultra-thin buffer layers on Fe(001)
Author(s): A. Picone; D. Giannotti; M. Finazzi; F. Ciccacci; A. Brambilla
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Paper Abstract

The growth and oxidation of vanadium ultra-thin films deposited on Fe(001) have been investigated by combining scanning tunneling microscopy and Auger electron spectroscopy. In the early stages of growth, vanadium develops a structure pseudomorphic to the Fe(001) substrate, nucleating one-layer-thick islands. At higher coverages, the growth proceeds nearly layer-by-layer, up to a thickness of about 5 atomic layers. Upon oxygen exposure, the vanadium film gets oxidized, while no signatures of the formation of iron oxides are detected in Auger spectra. As revealed by scanning tunneling microscopy images, the oxidation increases the surface roughness, suggesting the formation of an amorphous vanadium oxide layer.

Paper Details

Date Published: 26 September 2016
PDF: 9 pages
Proc. SPIE 9931, Spintronics IX, 993141 (26 September 2016); doi: 10.1117/12.2237562
Show Author Affiliations
A. Picone, Politecnico di Milano (Italy)
D. Giannotti, Politecnico di Milano (Italy)
M. Finazzi, Politecnico di Milano (Italy)
F. Ciccacci, Politecnico di Milano (Italy)
A. Brambilla, Politecnico di Milano (Italy)

Published in SPIE Proceedings Vol. 9931:
Spintronics IX
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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