Fabrication and magnetic properties of NiFe2O4 nanorods

被引：17

作者：

Wu Yue ^{[1
,2
]}

Shi Changhong ^{[3
]}

Yang Wei ^{[1
]}

机构：

[1] N Univ China, Natl Key Lab Elect Measurement Technol, Taiyuan 030051, Peoples R China

[2] N Univ China, Sch Mech & Elect Engn, Taiyuan 030051, Peoples R China

[3] PLA, Gen Logist Dept, Quartermaster Inst, Beijing 100010, Peoples R China

来源：

RARE METALS | 2010年 / 29卷 / 04期

基金：

中国国家自然科学基金;

关键词：

inorganic compounds; nickel ferrite; nanorods; electron microscopy; magnetic properties; NANOCRYSTALLINE NICKEL; FERRITE; NANOPARTICLES; MANGANESE; SPINEL; ZINC;

D O I：

10.1007/s12598-010-0135-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

NiFe2O4 nanorods have been successfully synthesized via thermal treatment of the rod-like precursor fabricated by Ni-doped alpha-FeOOH, which was enwrapped by the complex of citric acid and Ni2+. The morphology evolution during the calcination of the precursor nanorods was investigated with transmission electron microscopy (TEM), and the phase and the magnetic properties of samples were analyzed through X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results indicated that the diameter of the NiFe2O4 nanorods obtained ranged between 30 and 50 nm, and the length ranged between 2 and 3 pm. As the calcination temperature was up to 600 degrees C, the coercivity, saturation magnetization, and remanent magnetization of the samples were 36.1 kA.m(-1), 27.2 A-m(2).kg(-1), and 5.3 A.m(2).kg(-1), respectively. The NiFe2O4 nanorods prepared have higher shape anisotropy and superior magnetic properties than those with irregular shapes.

引用

页码：385 / 389

页数：5

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