Coexistence of Superconductivity and Antiferromagnetism in Multilayered High-$T_c$ Superconductor HgBa${}_2$Ca${}_4$Cu${}_5$O${}_y$: A Cu-NMR Study

H. Kotegawa, Y. Tokunaga, Y. Araki +8

We report a coexistence of superconductivity and antiferromagnetism in five-layered compound HgBa${}_2$Ca${}_4$Cu${}_5$O${}_y$ (Hg-1245) with $T_c=108$ K, which is composed of two types of…