I. INTRODUCTION Since the discovery of superconductivity above 40 K in the La-Ba-Cu-O system andabove 90 K in Y-Ba-Cu-O oxides, tremendous effort has been made to study the properties of high-T_c superconducting thin ...I. INTRODUCTION Since the discovery of superconductivity above 40 K in the La-Ba-Cu-O system andabove 90 K in Y-Ba-Cu-O oxides, tremendous effort has been made to study the properties of high-T_c superconducting thin films. For the preparation of superconducting films two main techniques, the e-beam evaporation and sputtering, have been used. The processes展开更多
基金Project supported by the National Center for Research and Development on Superconductivity and the Sci ence Foundation of Academia Sinica
文摘I. INTRODUCTION Since the discovery of superconductivity above 40 K in the La-Ba-Cu-O system andabove 90 K in Y-Ba-Cu-O oxides, tremendous effort has been made to study the properties of high-T_c superconducting thin films. For the preparation of superconducting films two main techniques, the e-beam evaporation and sputtering, have been used. The processes