Superconductivity in Magnetically Ordered CeTe₁.₈₂
Jung, M. H. · Alsmadi, A. · Kim, H. C. · Bang, Yunkyu · Ahn, K. H. · Umeo, K. · Lacerda, A. H. · Nakotte, H. · Ri, H. C. · Takabatake, T.
Original · EN
We report the discovery of pressure-induced superconductivity in a semimetallic magnetic material CeTe₁.₈₂. The superconducting transition temperature TSC = 2.7 K (well below the magnetic ordering temperatures) under pressure (> 2 kbar) is remarkably high, considering the relatively low carrier density due to a charge-density-wave transition associated with lattice modulation. The coexisting magnetic structure of a mixed ferromagnetism and antiferromagnetism can provide a clue for this high TSC. We discuss a theoretical model for its possible pairing symmetry and pairing mechanism.
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