Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
60 (1986), S. 3978-3981
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The results of specific-heat and inductive Tc measurements on reacted liquid-infiltrated superconducting composite wires with an overall composition of Nb-8 at. % Sn are presented. It is found that approximately 23 wt. % of the reacted wire is high Tc A15 phase, a result not expected from the accepted equilibrium phase diagram. The relatively sharp superconducting transition at 18 K is indicative of a uniform stoichiometric Nb-25 at. % Sn composition in the A15 phase. The large fraction of high Tc material in these wires is due to taking advantage of the rapid diffusion of Nb in liquid Sn. From a detailed analysis of the specific heat, comments on the reaction process are made. Implications for the equilibrium phase diagram are discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.337520
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