The biaxial-strained Sr 4 Al 2 O 7 film has a tetragonal structural symmetry ... effect of perovskite oxide films with a broad lattice constant range (3.85 to 4.04 Å) and revealed that the ...

Researchers from Tokyo Metropolitan University have discovered a new superconducting material. They combined iron, nickel, and zirconium, to create a new transition metal zirconide with different ...