Wu, Nae-LihNae-LihWuYu, Hon-DaHon-DaYuLin, Shen-HauShen-HauLin2008-12-172018-06-282008-12-172018-06-281992http://ntur.lib.ntu.edu.tw//handle/246246/92306en-USSilver-accelerated phase transformation from YBa2Cu3O7?x to YBa2Cu4O8journal article