New anti-perovskite-type Superconductor ZnNyNi3
arXiv:0811.3483 · doi:10.1143/JPSJ.78.033702
Abstract
We have synthesized a new superconductor ZnNyNi3 with Tc ~3 K. The crystal structure has the same anti-perovskite-type such as MgCNi3 and CdCNi3. As far as we know, this is the third superconducting material in Ni-based anti-perovskite series. For this material, superconducting parameters, lower-critical field Hc1(0), upper-critical field Hc2(0), coherence length x(0), penetration depth l(0), and Gintzburg -Landau parameter k(0) have been experimentally determined.
13 pages, 3 figures, 1 table