溶胶-凝胶法制备Zn(0.5-x)Mg(0.5-x)Ca2xFe2O4铁氧体超微粉

1.吉林大学化学学院,长春,130026

2.吉林大学化学学院,长春,130026

3.吉林大学化学学院,长春,130026

4.吉林大学化学学院,长春,130026

基金项目: 吉林省科技厅科研项目(20000512-2)

Preparation of Ultra-Fine Zn(0.5-x)Mg(0.5-x)Ca2xFe2O4 Ferrite Powder Prepared by Sol-Gel Process

利用柠檬酸前驱物溶胶-凝胶法合成了掺杂Ca的尖晶石型纳米晶铁氧体Zn(0.5-x)Mg(0.5-x)Ca2xFe2O4(x为0～0.25),表征了其结构性能与电磁特性.结果表明:掺杂Ca对Zn(0.5-x)Mg(0.5-x)Ca2xFe2O4的磁化强度和矫顽力均有影响.

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