Self-Irradiation Effects on PuTGa5 Superconductors

被引：5

作者：

Jutier, Frederic ^{[1
]}

Griveau, Jean-Christophe ^{[1
]}

Colineau, Eric ^{[1
]}

Wastin, Franck ^{[1
]}

Rebizant, Jean ^{[1
]}

Boulet, Pascal ^{[1
]}

Simoni, Eric ^{[2
]}

机构：

[1] European Commiss, Inst Transuranium Elements, Joint Res Ctr, Postfach 2340, D-76125 Karlsruhe, Germany

[2] Inst Phys Nucl, F-91406 Orsay, France

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2006年 / 75卷

关键词：

Ageing; self-irradiation; superconductivity; plutonium;

D O I：

10.1143/JPSJS.75S.47

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the evolution of superconductivity in the PuCo1-xRhxGa(5) system (x = 0, 0.5, 0.9, 1) as a function of the self-radiation damages induced by the Pu alpha-decay. We observe a faster decrease of the critical temperature with ageing in PuRhGa5 than in PuCoGa5, that we correlate to the different values of the coherence length in the respective compounds. The upper critical field H-c2(0) and the critical current density Jc show more complex variations and are first enhanced due to efficient pinning induced by self-radiation damage, before decreasing. This change of regime is interpreted in the frame of the clean/dirty limit description.

引用

页码：47 / 49

页数：3

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