TY - Front. Phys. A1 - Jiajun Ouyang, W. LiMing, Liangbin Hu T1 - Andreev reflection and tunneling spectrum on metal–superconductor–metal junctions Y1 - 2012-08-01 JF - Frontiers of Physics JO - Front. Phys. SP - 449 EP - 452 VL - 7 IS - 4 UR - https://journal.hep.com.cn/fop N1 - 10.1007/s11467-012-0253-0 ER -