Supported by the National Natural Science Foundation of China (Grant No. 4087 2045);State Key Laboratory for Mineral Deposits Research, Nanjing University (Grant No.12-06-03) ;State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences (Grant No. GPMR200906)
Micromorphology is further studied on the basis of our previous researches concerned with the nano-micron FeS2 whisker. There are obvious differences in the intensive degree, diameter and micromorphology among the FeS...
Project supported by the National Natural Science Foundation of China;Project supported by Laboratory of Rapidly Solidified Non-equilibrium Alloys.
It is well known that there exist two superconducting phases above liquid nitrogen in the Bi-Sr-Ca-Cu-O system, i.e. the low-T_c phase with the critical temperature of 80 K and the high-T_c phase with the critical tem...
Project supported by the National Natural Science Foundation of China and Laboratory of Rapidly Solidified Non-equilibrium Alloys
Ⅰ. INTRODUCTION In polygrain oxide superconducting materials, owing to the weak link resulting from grain boundary and grain orientation, the increase of critical current density J_c is limited. Thus their practical ...