Diffusion and growth mechanism of Nb3 Sn superconductor grown by bronze technique

T. Laurila, V. Vuorinen, A. K. Kumar, A. Paul*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

Abstract

The rather surprising position of the Kirkendall pores in Nb3 Sn superconductor grown by bronze technique is clarified. It is shown that Sn is the fastest diffusing species, which seems to be unusual considering the crystal structure of Nb3 Sn. Further, we explain the dramatic change in the growth rate and the activation energy for growth of the product phase, when the Sn composition in the Cu(Sn) bronze alloy is changed from 7 to 8 at. %.

Original languageEnglish
Article number231910
JournalApplied Physics Letters
Volume96
Issue number23
DOIs
Publication statusPublished - 2010
MoE publication typeA1 Journal article-refereed

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