Wu, Nae-LihNae-LihWuZheng, Hsi-HerHsi-HerZhengTarn, Kwo-LonKwo-LonTarn2008-12-172018-06-282008-12-172018-06-281994http://ntur.lib.ntu.edu.tw//handle/246246/92308en-USBitter pattern study of flux pinning in melt-grown YBa2Cu3O7-xjournal article