Floating zone growth at high oxygen pressures in Ruddlesden-Popper bilayer nickelate Y${}_y$Sr${}_{3-y}$Ni${}_{2-x}$Al${}_x$O${}_{7-\hat{I}´}$

H. Yilmaz, P. Sosa-Lizama, M. Knauft +7

With the discovery of superconductivity under pressure in the Ruddlesden-Popper (RP) bilayer La${}_3$Ni${}_2^{2.5+}$O${}_7$ and trilayer La${}_4$Ni${}_3^{2.66+}$O${}_{10}$, a new field of nick…