Study on synthesis of superparamagnetic spinel cobalt ferrite nanoparticles as layered double hydroxides by co-precipitation method

被引：10
|
作者：
Hamad, H. A. [1 ]
Abd El-latif, M. M. [1 ]
Kashyout, A. B. [2 ]
Sadik, W. A. [3 ]
Feteha, M. Y. [3 ]
机构：
[1] City Sci Res & Technol Applicat SRTA City, Adv Technol & New Mat Res Inst, Fabricat Technol Dept, Alexandria, Egypt
[2] City Sci Res & Technol Applicat SRTA City, Adv Technol & New Mat Res Inst, Elect Mat Dept, Alexandria, Egypt
[3] Univ Alexandria, Inst Grad Studies & Res IGSR, Dept Mat Sci, Alexandria 21526, Egypt
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2014年 / 84卷 / 11期
关键词：
magnetic materials; chemical synthesis; X-ray diffraction; magnetic properties; MAGNETIC-PROPERTIES; TEMPERATURE;
D O I：
10.1134/S1070363214110279
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cobalt ferrite layered double hydroxide (LDH) nanoparticles with cubic structure were synthesized by the co-precipitation method: addition of NaOH solution to a solution of Co2+ and Fe3+. Formation of nanoparticles was confirmed by XRD, SEM, TEM, PSA, FT-IR, TGA, DSC, and magnetic characteristics were measured using VSM. Crystals produced by calcination at 900A degrees C possessed high coercivity and pronounced physical and chemical stability. Nanoparticles of CoFe2O4 formed outer layers with poor crystallization on the surface of cobalt ferrite nanocrystals.
引用
收藏
页码：2205 / 2210
页数：6
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