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Paper
Praseodymium 1-2-3: Intrinsic structure, oxygen concentration effects, and solid solutions with yttrium, calcium and zinc
Abstract
PrBa2Cu3O7-y is probably the most enigmatic member of the 1-2-3 family of compounds. It is the only non-superconducting example in this lanthanide series of isomorphic structures. We have studied its structural details, and dependence of its physical properties on oxygen concentration and solid solutions with Y, Ca and Zn, with the objective of understanding its peculiar behavior and the role Pr plays in suppressing superconductivity. © 1989.