Novel route for the preparation of nanosized NiFe2O4 powders

被引：21
|
作者：
Silva, MNB
Duque, JGD
Gouveia, DX
de Paiva, JAC
Macedo, MA [1 ]
机构：
[1] Fed Univ Sergipe, Dept Phys, BR-49100000 Sao Cristovao, SE, Brazil
[2] UNICAMP, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
[3] Fed Univ Ceara, Dept Phys, BR-60455900 Fortaleza, Ceara, Brazil
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2004年 / 43卷 / 8A期
关键词：
nanosized NiFe2O4 powders; sol gel; coconut water; Mossbauer; ferrite;
D O I：
10.1143/JJAP.43.5249
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nanosized NiFe2O4 powders were prepared by a novel sol-gel route. The powders calcined at 1200degreesC and quenched to liquid nitrogen temperature showed a mixed spinet phase, with a saturation magnetization of 49 emu/g, crystallite size of 67 nut and hyperfine magnetic field B-1 = 520 kOe, B-2 = 484 kOe and A = 488 kOe.
引用
收藏
页码：5249 / 5252
页数：4
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