Study of electrodeposition of amorphous Sn-Ni-Fe ternary alloys from a gluconate based electrolyte

L. Sziráki, E. Kuzmann, G. B. Lak, M. El-Sharif, C. U. Chisholm, S. Stichleutner, K. Havancsák, K. Zih-Perényi, Z. Homonnay, A. Vértes

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Novel Sn-Ni-Fe ternary phases, which never occur in the metallurgical alloys, were successfully prepared by deposition from an electrolyte based on sodium gluconate, using DC electrodeposition conditions. 57Fe and 119Sn conversion electron Mössbauer spectroscopy and PXRD investigations of these alloys showed that they are amorphous and dominantly ferromagnetic. The occurrence of amorphous Sn-Fe-Ni ternary alloy phase in deposits was found to increase with the current density applied during the deposition. The co-deposition kinetics is mainly governed by the electrodeposition behavior of the tin-gluconate complex that forms in the electrolyte. The high cathodic polarization due to the tin-gluconate discharge causes an apparent mass transfer coupled co-deposition of iron. The nickel deposition rate is independent of the potential and of the partial current of the co-depositing species.

Original languageEnglish
Pages (from-to)184-187
Number of pages4
JournalSurface and Coatings Technology
Volume211
DOIs
Publication statusPublished - Oct 25 2012

Fingerprint

Ternary alloys
ternary alloys
Electrodeposition
electrodeposition
Electrolytes
electrolytes
Tin
tin
Cathodic polarization
Electron spectroscopy
Nickel
Deposition rates
Current density
Mass transfer
Deposits
Iron
Sodium
mass transfer
electron spectroscopy
Kinetics

Keywords

  • Fe and Sn Mössbauer spectroscopy
  • AFM
  • Electrodeposition
  • SEM
  • Sn-Fe-Ni ternary alloy
  • X-ray diffraction

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Study of electrodeposition of amorphous Sn-Ni-Fe ternary alloys from a gluconate based electrolyte. / Sziráki, L.; Kuzmann, E.; Lak, G. B.; El-Sharif, M.; Chisholm, C. U.; Stichleutner, S.; Havancsák, K.; Zih-Perényi, K.; Homonnay, Z.; Vértes, A.

In: Surface and Coatings Technology, Vol. 211, 25.10.2012, p. 184-187.

Research output: Contribution to journalArticle

Sziráki, L. ; Kuzmann, E. ; Lak, G. B. ; El-Sharif, M. ; Chisholm, C. U. ; Stichleutner, S. ; Havancsák, K. ; Zih-Perényi, K. ; Homonnay, Z. ; Vértes, A. / Study of electrodeposition of amorphous Sn-Ni-Fe ternary alloys from a gluconate based electrolyte. In: Surface and Coatings Technology. 2012 ; Vol. 211. pp. 184-187.
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AU - Stichleutner, S.

AU - Havancsák, K.

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AB - Novel Sn-Ni-Fe ternary phases, which never occur in the metallurgical alloys, were successfully prepared by deposition from an electrolyte based on sodium gluconate, using DC electrodeposition conditions. 57Fe and 119Sn conversion electron Mössbauer spectroscopy and PXRD investigations of these alloys showed that they are amorphous and dominantly ferromagnetic. The occurrence of amorphous Sn-Fe-Ni ternary alloy phase in deposits was found to increase with the current density applied during the deposition. The co-deposition kinetics is mainly governed by the electrodeposition behavior of the tin-gluconate complex that forms in the electrolyte. The high cathodic polarization due to the tin-gluconate discharge causes an apparent mass transfer coupled co-deposition of iron. The nickel deposition rate is independent of the potential and of the partial current of the co-depositing species.

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