Synthesis and superconductivity of CeNi0.8Bi2: New entrant in superconductivity kitchen?

Details Synthesis and superconductivity of CeNi0.8Bi2: New entrant in superconductivity kitchen? Synthesis and superconductivity of CeNi0.8Bi2: New entrant in superconductivity kitchen?

2012-01-30

arxiv.org/abs/1201.6131v3

Physics

Condensed Matter

Superconductivity

5 pages Text + Figs: Accepted Letter to Editor J. Sup. Nov. Mag. (awana@mail.nplindia.ernet.in)

Scientific paper

CeNi0.8Bi2 is very recent entrant in superconductivity kitchen [1], and the same seeks reproduction from other groups. We report synthesis, structural details and superconductivity in CeNi0.8Bi2 compound. The CeNi0.8Bi2 compound is synthesized by solid state reaction route via vacuum encapsulation of high purity mixed Ce, Ni, Bi and subsequent heating of the same at 500 0C for 10 hours followed by annealing at 750 0C for 20 hours. As synthesized compounds are dark grey in color and do crystallize in tetragonal structure with space group P4/nmm. The lattice parameters are a = 3.61 {\AA} and c = 10.20 {\AA}. AC susceptibility measurements showed that synthesized CeNi0.8Bi2 compound is weakly superconducting below 4.2K. We believe our article will regenerate fresh activity to look for bulk superconductivity in CeNi0.8Bi2.

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