Inter-diffusion of cobalt and silicon through an ultra thin aluminum oxide layer

Optical emission spectroscopy of sputtered species during ion bombardment, Auger electron spectroscopy and high-resolution transmission electron microscopy were used to study the cobalt and silicon diffusion through the interfaces of Co/AlO/Si(0 0 1) hetero-structure. The results are discussed as a...

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Veröffentlicht in:Applied surface science 2010-02, Vol.256 (9), p.2731-2734
Hauptverfasser: El Asri, T., Raissi, M., Vizzini, S., Maachi, A. El, Ameziane, E.L., d’Avitaya, F. Arnaud, Lazzari, J.-L., Coudreau, C., Oughaddou, H., Aufray, B., Kaddouri, A.
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container_end_page 2734
container_issue 9
container_start_page 2731
container_title Applied surface science
container_volume 256
creator El Asri, T.
Raissi, M.
Vizzini, S.
Maachi, A. El
Ameziane, E.L.
d’Avitaya, F. Arnaud
Lazzari, J.-L.
Coudreau, C.
Oughaddou, H.
Aufray, B.
Kaddouri, A.
description Optical emission spectroscopy of sputtered species during ion bombardment, Auger electron spectroscopy and high-resolution transmission electron microscopy were used to study the cobalt and silicon diffusion through the interfaces of Co/AlO/Si(0 0 1) hetero-structure. The results are discussed as a function of the annealing temperature of sample and show that the diffusion process at the interfaces starts for annealing temperatures above 200 °C without detectable modification of the oxide layer.
doi_str_mv 10.1016/j.apsusc.2009.11.018
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subjects AES
Aluminum oxide layer
Astrophysics
Cobalt
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Diffusion
Exact sciences and technology
HR-TEM
MIS structure
Physics
Silicon
SIPS
title Inter-diffusion of cobalt and silicon through an ultra thin aluminum oxide layer
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