Influence of self-irradiation damage on the Pu-based superconductor PuCoGa probed by muon spin rotation

Oishi, Kazuki; Ito, Takashi; Higemoto, Wataru ; Heffner, R. H.

PuCoGa has attracted much interest because it has a high transition temperature $T_{rm c}$ ( 18 K) compared with other 115 systems. According to the previous SR results, temperature dependence of magnetic penetration depth in PuCoGa shows -linear behavior, suggesting that the superconducting order parameter of this material may be -wave symmetry. In order to elucidate that point, we have measured the magnetic field dependence of in this sample by means of SR technique. At our poster presentation, we discuss the symmetry of superconducting order parameter in PuCoGa in detail.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	75
Number	:	Suppl.
Pages	:	p.53 - 55
Publication Year/Month	:	2006/08
Meeting title	:	5th International Symposium on Advanced Science Research in Celebration of the World Year of Physics 2005 (ASR-WYP-2005)
Held date	:	2005/09
Location (city)	:	Tokai
Location (country)	:	Japan
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Keywords	:	Superconductivity; Penetration Depth; -electron; SR
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Registration No. : B20050700
JAEA Abstracts No. : 35000153
Paper Submission No. : 1705

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