Low-temperature accumulation and annealing experiments, in conjunction with
electrical resitivity and critical current density measurements, were used to study the ageing of the actinide superconductor PuCoGa5. These measurements reveal that 2-nm–sized nonsuperconducting point-like regions are the main damages formed during room temperature ageing; smaller point-like defects are irrelevant to transport properties. Defect sizes and densities deduced from experiment agree with Transmission Electron Microscopy observations.
JUTIER Frederic;
GRIVEAU Jean-Christophe;
VAN DER BEEK C.J.;
COLINEAU Eric;
WASTIN Franck;
REBIZANT Jean;
BOULET Pascal;
WISS Thierry;
THIELE Hartmut;
SIMONI E.;
2007-08-20
EDP SCIENCES S A
JRC38181
https://publications.jrc.ec.europa.eu/repository/handle/JRC38181,
10.1209/0295-5075/78/57008,
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