RELATION BETWEEN CRITICAL CURRENT DENSITIES AND MICROSTRUCTURES FOR MELT-TEXTURED YBa_2Cu_3O_y BULK SAMPLES  

作　　者：丁世英 刘浛默 鹿牧 林建伟 刘奉生 牟惠麟 刘向宏 吴晓祖 周廉 余正 姚希贤 

机构地区：[1]Department of Physics and Microstructures Laboratory, Nanjing University, Nanjing 210008, PRC [2]Hohai University, Nanjing 210024, PRC [3]North west Institute for Nonferrous Metal Research, Baoji 721014, PRC [4]Nanjing University, Nanjing 210008, PRC

出　　处：《Chinese Science Bulletin》1992年第20期1692-1695,共4页

基　　金：Project supported by the National Natural Science Foundation;National Center for Research and Development on Superconductivity of China

摘　　要：Ⅰ. EXPERIMENTS AND RESULTS All the samples were Fabricated by the MTG method which has been described elsewhere. However, some modifications on MTG were made, i. e. the precursor material ofsample 1~# was cooled more slowly than sample 3~#. Sample 2~#= was made to differ

关 键 词：YBCO bulk sample MELT TEXTURED critical current density 

分 类 号：N[自然科学总论]