Synthesis and characterization of metal (Mn,Zn) ferrite magnetic nanoparticles

被引：23
|
作者：
Augustin, M. [1 ]
Balu, T. [2 ]
机构：
[1] St Xaviers Coll Autonomous, Dept Phys, Palayankottai 627002, Tamil Nadu, India
[2] Aditanar Coll Arts & Sci, Dept Phys, Tiruchendur 628216, Tamil Nadu, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2015年 / 2卷 / 03期
关键词：
Nano particles; co-precipitation; X-ray techniques; Band gap; Coercivity; ZINC FERRITE; COFE2O4; MN; MEDIA;
D O I：
10.1016/j.matpr.2015.06.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zinc ferrite (ZnFe2O4) and Manganese ferrite (MnFe2O4) nanoparticles were prepared by the chemical co-precipitation method and calcinated at 800 degrees C for 5 hrs. The results of XRD and SEM show that sample product was crystalline with mixed type spinel with cubic structure. The FT-IR spectrum shows most intense absorption bands 464 cm(-1) and 550 cm(-1) due to the strong transition metal stretching. Uv-vis studies reveal the band gap energy variation between different metal substitutions in the synthesis. Coercivity of ZnFe2O4 and MnFe2O4 nanoparticles was calculated using VSM studies is in the range of 14.456 G and 50.495 G respectively. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：923 / 927
页数：5
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