First Ambient-pressure Superconductor Based on Ni(dmit)2, α-EDT-TTF[Ni(dmit)2]

Abstract

Abstract The donor-acceptor type molecular conductor, α-(EDT-TTF)[Ni(dmit)2], was found to be a superconductor under ambient pressure below 1.3 K. This is the first ambient-pressure superconductor in a series of M(dmit)2 salts [M = Ni, Pd, Pt]. The sample dependence and magnetic-field dependence on the superconducting transition are described.