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Morphology, structure, and magnetism of FeCo thin films electrodeposited on hydrogen-terminated Si(111) surfaces.

Authors
  • Zarpellon, J
  • Jurca, H F
  • Mattoso, N
  • Klein, J J
  • Schreiner, W H
  • Ardisson, J D
  • Macedo, W A A
  • Mosca, D H
Type
Published Article
Journal
Journal of Colloid and Interface Science
Publisher
Elsevier
Publication Date
Dec 15, 2007
Volume
316
Issue
2
Pages
510–516
Identifiers
PMID: 17900605
Source
Medline
License
Unknown

Abstract

In this work we describe the fabrication of FeCo alloy (less than 10 at% Co) thin films from aqueous ammonium sulfate solutions onto n-type Si(111) substrates using potentiostatic electrodeposition at room temperature. The incorporation of Co into the deposits tends to inhibit Fe silicide formation and to protect deposits against oxidation under air exposure. As the incorporation of Co was progressively increased, the sizes of nuclei consisting of FeCo alloy increased, leading to films with a highly oriented body-centered cubic structure with crystalline texture, where (110) planes remain preferentially oriented parallel to the film surface.

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