Coexistence of bulk superconductivity and charge density wave in CuxZrTe3

Details Coexistence of bulk superconductivity and charge density wave in CuxZrTe3 Coexistence of bulk superconductivity and charge density wave in CuxZrTe3

2011-06-24

arxiv.org/abs/1106.5047v1

Phys. Rev. Lett. 106, 246404 (2011)

Physics

Condensed Matter

Superconductivity

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.106.246404

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.

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