Direct evidence for superconductivity in the organic charge density-wave compound alpha-(BEDT-TTF)2KHg(SCN)4 under hydrostatic pressure
Abstract
We present direct evidence of a superconducting state existing in the title compound below 300 mK under quasi-hydrostatic pressure. The superconducing transition is observed in the whole pressure range studied, 0 < P < 4 kbar. However, the character of the transition drastically changes with suppressing the charge-density wave state.
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