Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi3

Kazuki Ohishi; Takashi U. Ito; Wataru Higemoto; Takahiro Yamazaki; Akira Uehara; Katsuya Kozawa; Yoshihide Kimishima; Masatomo Uehara

doi:10.1016/j.physc.2009.10.084

Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi₃

Kazuki Ohishi, Takashi U. Ito, Wataru Higemoto, Takahiro Yamazaki, Akira Uehara, Katsuya Kozawa, Yoshihide Kimishima, Masatomo Uehara

総合研究院

研究成果: Article › 査読

3 被引用数 (Scopus)

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We report on transverse field muon spin rotation measurements of the superconducting penetration depth λ in newly discovered antiperovskite superconductor ZnNNi₃ in order to investigate the symmetry of order parameter. The penetration depth at T = 0 K is estimated to be λ(0) = 362(2) nm. Temperature dependence of muon spin relaxation rate σ_v shows ∼T² dependence, suggesting unconventional superconductor.

本文言語	English
ページ（範囲）	S705-S706
ジャーナル	Physica C: Superconductivity and its applications
巻	470
号	SUPPL.1
DOI	https://doi.org/10.1016/j.physc.2009.10.084
出版ステータス	Published - 12月 2010

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10.1016/j.physc.2009.10.084

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title = "Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi3",

abstract = "We report on transverse field muon spin rotation measurements of the superconducting penetration depth λ in newly discovered antiperovskite superconductor ZnNNi3 in order to investigate the symmetry of order parameter. The penetration depth at T = 0 K is estimated to be λ(0) = 362(2) nm. Temperature dependence of muon spin relaxation rate σv shows ∼T2 dependence, suggesting unconventional superconductor.",

keywords = "Penetration depth, Superconductivity, ZnNNi, μSR",

author = "Kazuki Ohishi and Ito, {Takashi U.} and Wataru Higemoto and Takahiro Yamazaki and Akira Uehara and Katsuya Kozawa and Yoshihide Kimishima and Masatomo Uehara",

year = "2010",

month = dec,

doi = "10.1016/j.physc.2009.10.084",

language = "English",

volume = "470",

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T1 - Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi3

AU - Ohishi, Kazuki

AU - Ito, Takashi U.

AU - Higemoto, Wataru

AU - Yamazaki, Takahiro

AU - Uehara, Akira

AU - Kozawa, Katsuya

AU - Kimishima, Yoshihide

AU - Uehara, Masatomo

PY - 2010/12

Y1 - 2010/12

N2 - We report on transverse field muon spin rotation measurements of the superconducting penetration depth λ in newly discovered antiperovskite superconductor ZnNNi3 in order to investigate the symmetry of order parameter. The penetration depth at T = 0 K is estimated to be λ(0) = 362(2) nm. Temperature dependence of muon spin relaxation rate σv shows ∼T2 dependence, suggesting unconventional superconductor.

AB - We report on transverse field muon spin rotation measurements of the superconducting penetration depth λ in newly discovered antiperovskite superconductor ZnNNi3 in order to investigate the symmetry of order parameter. The penetration depth at T = 0 K is estimated to be λ(0) = 362(2) nm. Temperature dependence of muon spin relaxation rate σv shows ∼T2 dependence, suggesting unconventional superconductor.

KW - Penetration depth

KW - Superconductivity

KW - ZnNNi

KW - μSR

UR - http://www.scopus.com/inward/record.url?scp=78649696285&partnerID=8YFLogxK

U2 - 10.1016/j.physc.2009.10.084

DO - 10.1016/j.physc.2009.10.084

M3 - Article

AN - SCOPUS:78649696285

SN - 0921-4534

VL - 470

SP - S705-S706

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - SUPPL.1

ER -

Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi3

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Quasiparticle excitations in newly discovered antiperovskite superconductor ZnNNi₃