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

T. Laurila; V. Vuorinen; A. K. Kumar; A. Paul

doi:10.1063/1.3453502

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

Microsystems Technology

Research output: Contribution to journal › Article › Scientific › peer-review

21 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 language	English
Article number	231910
Journal	Applied Physics Letters
Volume	96
Issue number	23
DOIs	https://doi.org/10.1063/1.3453502
Publication status	Published - 2010
MoE publication type	A1 Journal article-refereed

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10.1063/1.3453502

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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. %.",

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AB - 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. %.

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

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