Electrochemical synthesis of Nb3Sn coatings on Cu substrates

S. Franz, E. Barzi, D. Turrioni, L. Glionna, M. Bestetti

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This work aims at contributing to the development of superconducting Nb3Sn thin films for possible applications, as for instance in superconducting radio frequency (SRF) cavities. The synthesis of Nb-Sn coatings was carried out on copper substrates by electrodeposition from 1-butyl-3-methylimidazolium chloride (BMIC) ionic liquids containing SnCl2 and NbCl5. Cyclic voltammetric curves were recorded to identify the reduction potentials of Nb and Sn ionic species. Electrodeposition was performed at 40 and 400 mA/cm2 and 130 °C. The CV demonstrated that BMIC has a suitable potential window for co-deposition of Nb and Sn. The electrodeposited coatings showed a cubic Nb3Sn phase with (211) preferred orientation, a disordered orthorhombic NbSn2 phase and Sn-Cu phases. Film thickness was from 200 to 750 nm. These results suggest that electrodeposition of Nb-Sn coatings on copper substrates could be a suitable route to one day replace the current expensive Nb SRF cavities.

Original languageEnglish
Pages (from-to)613-615
Number of pages3
JournalMaterials Letters
Volume161
DOIs
Publication statusPublished - 15 Dec 2015
Externally publishedYes

Fingerprint

electrochemical synthesis
Electrodeposition
electrodeposition
coatings
Coatings
Copper
radio frequencies
Substrates
chlorides
Ionic Liquids
copper
cavities
Superconducting films
Ionic liquids
Film thickness
Chlorides
film thickness
routes
curves
synthesis

Keywords

  • 1-Butyl-3-methylimidazolium chloride
  • Electrodeposition
  • Ionic liquids
  • Nb<inf>3</inf>Sn
  • Niobium
  • Tin

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Electrochemical synthesis of Nb3Sn coatings on Cu substrates. / Franz, S.; Barzi, E.; Turrioni, D.; Glionna, L.; Bestetti, M.

In: Materials Letters, Vol. 161, 15.12.2015, p. 613-615.

Research output: Contribution to journalArticle

Franz, S. ; Barzi, E. ; Turrioni, D. ; Glionna, L. ; Bestetti, M. / Electrochemical synthesis of Nb3Sn coatings on Cu substrates. In: Materials Letters. 2015 ; Vol. 161. pp. 613-615.
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