| 摘要 |
<P>PROBLEM TO BE SOLVED: To create a superconducting material having a high critical temperature and its manufacturing method. <P>SOLUTION: The superconducting material includes a composition, in mol%, of 10-30% Bi<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, 20-50% SrO, 10-30% CaO, 20-45% CuO and 0.1-10% SiO<SB POS="POST">2</SB>+TiO<SB POS="POST">2</SB>, where SiO<SB POS="POST">2</SB>+TiO<SB POS="POST">2</SB>is the combined amount of SiO<SB POS="POST">2</SB>and TiO<SB POS="POST">2</SB>. <P>COPYRIGHT: (C)2013,JPO&INPIT |
