Effects of Carbon Content on the Formation and Critical Temperature of Y-Ni-B-C Superconductor | Zendy

Wang Fang-Wei | Zendy; Qiwei Yan | Zendy; Peng Yuan | Zendy; Shen Bao-Gen | Zendy; Zhang Pao-Lin | Zendy

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Effects of Carbon Content on the Formation and Critical Temperature of Y-Ni-B-C Superconductor

Author(s) -

Wang Fang-Wei,

Qiwei Yan,

Peng Yuan,

Shen Bao-Gen,

Zhang Pao-Lin

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.56

Subject(s) - intermetallic , superconductivity , arc melting , materials science , magnetization , carbon fibers , transition temperature , analytical chemistry (journal) , phase (matter) , condensed matter physics , crystallography , metallurgy , microstructure , chemistry , magnetic field , physics , alloy , composite material , chromatography , quantum mechanics , organic chemistry , composite number

In this paper, we report the formation and superconductivity of quaternary intermetallic system Yni2B2Cx with ThCr2Si2-type structure. Samples prepared by arc-melting crystallize in single phase of the composition of YNi2B2Cx when x=0.9—1.2 while the secondary unknown phases increase obviously when x0.8 or x1.2. Superconducting-transition temperature Tc determined by the tem,perature dependence of magnetization displays two steps with increasing carbon concentration: Tc≈12.5K for x≤0.8, Tx≈15K for x≥0.9.

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