%0 Journal Article %A T Venkatesan %A A Inam %A B Dutta %A Ramamoorthy Ramesh %A M.S Hegde %A X.D Wu %A L Nazar %A C.C Chang %A J.B Barner %A D.M Hwang %A C.T Rogers %B Applied Physics Letters %D 1990 %G eng %P 391-393 %R 10.1063/1.103291 %T Epitaxial Y1Ba2Cu3O7-y/Y 1-xPrxBa2Cu3O7-y heterostructures %V 56