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The discovery of multiple charge-density-wave (CDW) orders in superconductingcuprates and Kagome CsV3Sb5 has offered a unique milieu for studying theinterplay of CDW and superconductivity and altered our perspective on theirnature. Here, we report a high-pressure study of quasi-one-dimensional CDWmaterial CuTe through ultralow-temperature (400 mK) electrical transport andtemperature-dependent Raman spectroscopy measurements and first-principlescalculations. We provide solid evidence that the pristine CDW order (CDW1)transforms into a distinct CDW order (CDW2) at ~6.5 GPa. Calculations show thatthe driving force of CDW1 is due to the nesting effect and that of CDW2probably arises from the electronic correlated interaction. Strikingly,pressure-induced superconductivity is observed with a dome-like phase diagramand its transition displays an extraordinary broadening along with thecrossover from CDW1 to CDW2. These results demonstrate that pressurized CuTeprovides a promising playground for understanding the intricated interplay ofmultiple CDWs and superconductivity.

Two Distinct Charge Density Wave Orders and Emergent Superconductivity in Pressurized CuTe