Coexistence of Bulk Superconductivity and Charge Density Wave in CuxZrTe3

Xiangde Zhu; Hechang Lei; C. Petrovic

doi:10.1103/PhysRevLett.106.246404

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Coexistence of Bulk Superconductivity and Charge Density Wave in CuxZrTe3

Xiangde Zhu, Hechang Lei, C. Petrovic

DOI 10.1103/PhysRevLett.106.246404 · Physical Review Letters

T1

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Abstract

We report the coexistence of bulk superconductivity with Tc=3.8 K and charge density wave (CDW) 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 and partial filling of CDW energy gap. We present anisotropic parameters of the superconducting state. We also show that the contribution of CDW to the scattering mechanism is anisotropic in the a^−b^ plane. The dominant scattering mechanism in the normal state for both ZrTe3 and Cu0.05ZrTe3 along the b^ axis is the electron–electron umklapp scattering.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Cu0.05ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	3.8	Pressure not reported	onset
Cu0.05ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	4	Pressure not reported	onset
Cu0.05ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	4	Pressure not reported	unknown
ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	2	Pressure not reported	unknown