Coexistence of bulk superconductivity and charge density wave in CuxZrTe3

Abstract

We report coexistence of bulk superconductivity and charge density wave (CDW) with superconducting critical temperature Tc = 3.8 K in Cu intercalated quasi-two-dimensional crystals of ZrTe3. The Cu intercalation results in the expansion of the unit cell orthogonal to the Zr-Zr metal chains (b - axis) and partial filling of CDW energy bandgap without obvious shift of CDW transition temperature. b - axis resistivity ?Rhob is not related to CDW, and its dominant scattering mechanism for both ZrTe3 and Cu0.05ZrTe3 is the electron - electron Umklapp scattering.

arXiv comment4 pages, 4 figures

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• Coexistence of superconductivity and charge-density wave in the quasi-one-dimensional material HfTe3
• Charge density waves and phonon-electron coupling in ZrTe${}_3$ investigated by Raman spectroscopy and first-principles calculations
• Structural contributions to the pressure-tuned charge-density-wave to superconductor transition in ZrTe3: Raman scattering studies
• Observation of charge density wave transition in TaSe3 mesowires
• The coexistence of charge density wave and superconductivity in Pt-based layered superconductors : SrPt${}_2$As${}_2$ and LaPt${}_2$Si${}_2$
• Local corrugation and persistent charge density wave in ZrTe3 with Ni intercalation
• Superconductivity at 5.2 K in ZrTe3 polycrystals and the effect of Cu, Ag intercalation
• Thermal transport and mixed valence in ZrTe${}_3$ doped with Hf and Se
• Enhanced optoelectronic performance and photogating effect in quasi-one-dimensional BiSeI wires
• Detailed Electronic Structure of the Three-Dimensional Fermi Surface and its Sensitivity to Charge Density Wave Transition in ZrTe3 Revealed by High Resolution Laser-Based Angle-Resolved Photoemission Spectroscopy
• Enhanced Superconductivity and Electron Correlations in Intercalated ZrTe${}_3$
• Multiband nodeless superconductivity near the charge-density-wave quantum critical point in ZrTe3-xSex
• Quasi-one-dimensional superconductivity in the pressurized charge-density-wave conductor HfTe3