Coexistence of superconductivity and charge-density wave in the quasi-one-dimensional material HfTe3

Abstract

We present the first experimental evidence for metallicity, superconductivity (SC) and the co-existence of charge density waves (CDW) in the quasi-one-dimensional material HfTe3. The existence of such phenomena is a typical characteristic of the transition metal chalcogenides however, without the application of hydrostatic pressure/chemical doping, it is rare for a material to exhibit the co-existence of both states. Materials such as HfTe3 can therefore provide us with a unique insight into the relationship between these multiple ordered states. By improving on the original synthesis conditions, we have successfully synthesised single phase HfTe3 and confirmed the resultant structure by performing Rietveld refinement. Using low temperature resistivity measurements, we provide the first experimental evidence of SC at ~1.4 K as well as a resistive anomaly indicative of a CDW formation at ~82 K. By the application of hydrostatic-pressure, the resistivity anomaly shifts to higher temperature. The results show that HfTe3 is a promising new material to help study the relationship between SC and CDW.

arXiv comment9 pages, 4 figures, includes supplementary information

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Cited by in corpus (13)

• Metal-insulator transition in quasi-one-dimensional HfTe3 in the few-chain limit
• Emergence of Topologically Non-trivial Spin-polarized States in a Segmented Linear Chain
• Thermal dynamics of charge density wave pinning in ZrTe3
• Local corrugation and persistent charge density wave in ZrTe3 with Ni intercalation
• Evidence for multiband superconductivity and charge density waves in Ni-doped ZrTe${}_2$
• Thermal transport and mixed valence in ZrTe${}_3$ doped with Hf and Se
• Pressure-Induced Superconductivity in Layered Transition-metal Chalcogenides (Zr,Hf)GeTe${}_4$ Explored by Data-driven Approach
• 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
• Holographic superconductor induced by charge density waves
• Anomalous Charge Density Wave State Evolution and Dome-like Superconductivity in CuIr2Te4-xSex Chalcogenides
• Metastability in Coexisting Competing Orders
• Holographic striped superconductor
• Sliding phasons in Moiré Ladders