Chemical mechanisms in electroless deposition. A study on the role of hydrogen in layer formation

A. Szász, D. J. Fabian, Z. Paál, J. Kojnok

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Mechanisms of formation of electroless NiP amorphous alloys have been studied with special emphasis on the role of hydrogen. It is proposed that hydrogen atoms produced during layer nucleation and growth are occlded by the deposit during the process of formation and that they have an important role in stabilizing the amorphous structure. The hydrogen may also play a part in the whole autocatalytic process. The hydrogen evolution is accompanied by incorporation of phosphorus, which to some extent takes over the role of the metalloid necessary to stabilize the amorphous structure. Airation of the electroless bath is found to decrease hydrogen liberation and to make the layers more uniform, but causes their thermal stability to decrease. Possible explanations for these effects are discussed.

Original languageEnglish
Pages (from-to)21-27
Number of pages7
JournalJournal of Non-Crystalline Solids
Volume103
Issue number1
DOIs
Publication statusPublished - Jun 2 1988

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electroless deposition
Electroless plating
Hydrogen
hydrogen
Metalloids
metalloids
phosphorus
Amorphous alloys
baths
hydrogen atoms
thermal stability
Phosphorus
deposits
nucleation
Thermodynamic stability
Nucleation
Deposits
causes
Atoms

ASJC Scopus subject areas

  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Chemical mechanisms in electroless deposition. A study on the role of hydrogen in layer formation. / Szász, A.; Fabian, D. J.; Paál, Z.; Kojnok, J.

In: Journal of Non-Crystalline Solids, Vol. 103, No. 1, 02.06.1988, p. 21-27.

Research output: Contribution to journalArticle

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