Since the discovery of high-T_c superconducting oxide system of La-Ba-Cu-O by Bednorz and M(?)ller, great progress has been made in researching of oxide superconductive materials which have high critical transition te...Since the discovery of high-T_c superconducting oxide system of La-Ba-Cu-O by Bednorz and M(?)ller, great progress has been made in researching of oxide superconductive materials which have high critical transition temperature. This has opened up a larger scope for the research on new superconductive materials. The composite oxide systems vary a lot and the pos-展开更多
文摘Since the discovery of high-T_c superconducting oxide system of La-Ba-Cu-O by Bednorz and M(?)ller, great progress has been made in researching of oxide superconductive materials which have high critical transition temperature. This has opened up a larger scope for the research on new superconductive materials. The composite oxide systems vary a lot and the pos-