TY - Chin. Phys. Lett. A1 - LUO Wei, ZHU Lin-Li, ZHENG Xiao-Jing T1 - Grain Size Effect on Electrical Conductivity and Giant Magnetoresistance of Bulk Magnetic Polycrystals Y1 - 2009-10-30 JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 117502EP - 117502 VL - 26 IS - 11 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/26/11/117502 ER -