Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
Department of Physics, Capital Normal University, Beijing 100037, China;
FePt, core/shell structure, nanoparticles, magnetic properties;