%0 Journal Article %A T.S Ravi %A D.M Hwang %A Ramamoorthy Ramesh %A S.W Chan %A L Nazar %A C.Y Chen %A A Inam %A T Venkatesan %B Physical Review B %D 1990 %G eng %P 10141-10151 %R 10.1103/PhysRevB.42.10141 %T Grain boundaries and interfaces in Y-Ba-Cu-O films laser deposited on single-crystal MgO %V 42