College of Physics Science and Information Engineering;
Hebei Normal University;
Shijiazhuang 050016;
China College of Physics Science and Information Engineering;
Hebei Normal University;
Shijiazhuang 050016;
China College of Physics Science and Information Engineering;
Hebei Normal University;
Shijiazhuang 050016;
China College of Physics Science and Information Engineering;
Hebei Normal University;
Shijiazhuang 050016;
China;
magnetic; recording; magnetron; sputtering; coercivity; annealing;