%0 Journal Article %A A Inam %A C.T Rogers %A Ramamoorthy Ramesh %A K Remschnig %A L Farrow %A D Hart %A T Venkatesan %A B Wilkens %B Applied Physics Letters %D 1990 %G eng %P 2484-2486 %R 10.1063/1.104179 %T a-axis oriented epitaxial YBa2Cu3O 7-x-PrBa2Cu3O7-y heterostructures %V 57