Electrodeposition of Sn–Fe alloys using gluconate electrolytes and X-ray diffractometry and Mössbauer studies of the deposits

Colin Chisolm, Mahmood El-Sharif, E. Kuzmann, S. Stichleutner, Z. Homonnay, A. Vértes

Research output: Contribution to journalArticle

Abstract

Electrodeposits of tin–iron (Sn–Fe) are obtained from a gluconate based electrolyte using a constant current technique. The effects of plating parameters such as current density, deposition time, deposition temperature and pH were examined in relation to phase composition, structure and quality of deposit. The magnetic anisotropy of the alloy deposits was investigated mainly by 57Fe and 119Sn conversion electron Mössbauer spectroscopy (CEMS), transmission Mössbauer spectroscopy and X-ray diffractometry (XRD). 57Fe and 119Sn CEMS spectra and XRD show that the dominant phases of the deposits are tetragonal FeSn2 or amorphous Fe–Sn. It was found that the relative area of the 2nd and 5th lines of the sextets representing the magnetic iron containing phases decreases with increasing current density.

Original languageEnglish
Pages (from-to)558-565
Number of pages8
JournalMaterials Chemistry and Physics
Volume120
Issue number2-3
DOIs
Publication statusPublished - 1 Apr 2010

Keywords

  • Sn–Fe alloys
  • electrolytes
  • X-ray diffractometry
  • surface technology

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