College of Materials Science and Engineering;
Harbin University of Science and Technology;
Harbin 150040;
China College of Materials Science and Engineering;
Harbin University of Science and Technology;
Harbin 150040;
China College of Materials Science and Engineering;
Harbin University of Science and Technology;
Harbin 150040;
China College of Materials Science and Engineering;
Harbin University of Science and Technology;
Harbin 150040;
China College of Materials Science and Engineering;
Harbin University of Science and Technology;
Harbin 150040;
China;
sol-gel; method; M-type; hexagonal; ferrites; preparation; condition;