CobaltMaghrebV1, Main, Exploration, bibRecord, 000A36

Interface investigations of iron and cobalt metallized porous silicon: AES and FTIR analyses

Identifieur interne : 000A36 ( Main/Exploration ); précédent : 000A35; suivant : 000A37

Interface investigations of iron and cobalt metallized porous silicon: AES and FTIR analyses

Auteurs : F. Hamadache [Algérie, Belgique] ; C. Renaux [Belgique] ; J. Duvail [France] ; P. Bertrand [Belgique]

Source :

physica status solidi (a) [ 0031-8965 ] ; 2003-05.

RBID : ISTEX:2677C4E48F855DA3DE61636FE76986250490F476

Descripteurs français

Pascal (Inist)
- 6835, Anodisation, Co, Cobalt, Dépôt électrolytique, Etude expérimentale, Fe, Fer, Matériau poreux, Morphologie, Mésoporosité, Préparation, Revêtement métallique, Semiconducteur, Si, Silicium, Terminaison surface, Traitement surface.
Wicri :
- topic : Cobalt, Fer.

English descriptors

KwdEn :
- 61.43.Gt, 68.35.Ct, 68.37.Hk, 78.30.Am, 79.20.Fv, Anodizing, Cobalt, Electrodeposition, Experimental study, Iron, Mesoporosity, Metal coating, Morphology, Porous material, Preparation, Semiconductor materials, Silicon, Surface termination, Surface treatment.

Abstract

Porous silicon (PS) is characterized by a very large surface that is very reactive with the external environment. In this work, the chemical composition of the internal surface of both freshly anodically formed and electroplated PS with Fe and Co metals was studied. The samples were analyzed by scanning electron microscopy (SEM), Fourier transform infrared absorption spectroscopy (FTIR) and Auger electron spectroscopy (AES) combined to sputter depth profiling. Mesoporous structures with different morphologies were obtained in p‐type Si(100) anodized in ethanoic hydrofluoric acid solutions. We showed that the surface of as‐prepared PS is practically oxide‐free and H‐terminated, whereas the metal deposition process oxidizes the pore walls. Nevertheless, silicon atoms from PS surface are likely bonded to iron and cobalt ones.

Url:

https://api.istex.fr/document/2677C4E48F855DA3DE61636FE76986250490F476/fulltext/pdf

DOI: 10.1002/pssa.200306494

Affiliations:

Le document en format XML

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<term>Morphology</term>
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<front><div type="abstract" xml:lang="en">Porous silicon (PS) is characterized by a very large surface that is very reactive with the external environment. In this work, the chemical composition of the internal surface of both freshly anodically formed and electroplated PS with Fe and Co metals was studied. The samples were analyzed by scanning electron microscopy (SEM), Fourier transform infrared absorption spectroscopy (FTIR) and Auger electron spectroscopy (AES) combined to sputter depth profiling. Mesoporous structures with different morphologies were obtained in p‐type Si(100) anodized in ethanoic hydrofluoric acid solutions. We showed that the surface of as‐prepared PS is practically oxide‐free and H‐terminated, whereas the metal deposition process oxidizes the pore walls. Nevertheless, silicon atoms from PS surface are likely bonded to iron and cobalt ones.</div>
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Serveur d'exploration sur le cobalt au Maghreb

Interface investigations of iron and cobalt metallized porous silicon: AES and FTIR analyses

Interface investigations of iron and cobalt metallized porous silicon: AES and FTIR analyses

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le cobalt au Maghreb
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