%0 Journal Article %K Yttrium compounds %K Heterostructures %K High temperature superconductors %K Ceramic materials %K Yttrium barium copper oxides %K Oxide superconductors %K Praseodymium Barium Copper Oxides %K Microscopic Examination–Transmission Electron Microscopy %K Praseodymium Compounds %K AC Susceptibility %A Ramamoorthy Ramesh %A A Inam %A D.L Hart %A C.T Rogers %B Physica C: Superconductivity and its applications %D 1990 %G eng %P 325-332 %R 10.1016/0921-4534(90)90331-8 %T Microstructure studies of a-axis oriented YBa2Cu3O7-x-PrBa2Cu3O7-y heterostructures %V 170