Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi

Oishi, Kazuki*; Ito, Takashi ; Higemoto, Wataru ; Yamazaki, Takahiro*; Uehara, Akira*; Kozawa, Katsuya*; Kimishima, Yoshihide*; Uehara, Masatomo*

We report on transverse field muon spin rotation measurements of the superconducting penetration depth in newly discovered antiperovskite superconductor ZnNNi in order to investigate the symmetry of order parameter. The penetration depth at = 0 K is estimated to be (0) = 362(2) nm. Temperature dependence of muon spin relaxation rate shows dependence, suggesting unconventional superconductor.

Language	:	English
Journal	:	Physica C
Volume	:	470
Number	:	Suppl.1
Pages	:	p.S705 - S706
Publication Year/Month	:	2010/12
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Paper URL	:	https://doi.org/10.1016/j.physc.2009.10.084
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Keywords	:	no keyword
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Registration No. : AA20110047
JAEA Abstracts No. : 39000855
Paper Submission No. : 9103

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