Superconductivity at 5.2 K in ZrTe3 polycrystals and the effect of Cu and Ag intercalation

Journal of Physics. Condensed Matter : an Institute of Physics Journal
C S Yadav, P L Paulose

Abstract

We report the occurrence of superconductivity in polycrystalline samples of ZrTe(3) at temperature 5.2 K at ambient pressure. The superconducting state coexists with the charge density wave (CDW) phase, which sets in at 63 K. The intercalation of Cu or Ag does not have any bearing on the superconducting transition temperature but suppresses the CDW state. The feature of a CDW anomaly in these compounds is clearly seen in the DC magnetization data. Resistivity data are analyzed in order to estimate the relative loss of carriers and reduction in the nested Fermi surface area upon CDW formation in ZrTe(3) and the intercalated compounds.

References

Oct 13, 2007·Physical Review Letters·J F ZhaoD L Feng
Mar 5, 2009·Physical Review Letters·Moritz HoeschMichael Krisch
Jul 21, 2011·Physical Review Letters·Xiangde ZhuC Petrovic

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Citations

Aug 16, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Kemin GuBin Chen

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