Preparation and magnetic property analysis of monodisperse Co-Zn ferrite nanospheres

被引：73

作者：

Hou, Chengyi ^{[1
]}

Yu, Hao ^{[1
]}

Zhang, Qinghong ^{[2
]}

Li, Yaogang ^{[1
]}

Wang, Hongzhi ^{[2
]}

机构：

[1] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China

[2] Donghua Univ, Coll Mat Sci & Engn, Shanghai 201620, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 491卷 / 1-2期

关键词：

Nanostructured materials; Chemical synthesis; Magnetic measurement; Transmission electron microscopy; X-ray diffraction; PEG-ASSISTED ROUTE; ORIENTED AGGREGATION; NANOPARTICLES; COFE2O4;

D O I：

10.1016/j.jallcom.2009.10.217

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Monodisperse Co-Zn ferrite (Co1-xZnxFe2O4) nanospheres have been synthesized by the solvothermal method. In this process, glycol was used as a solvent, anhydrous sodium acetate was used as an alkalinity additive and polyethylene glycol 200 was used as a surfactant. The as-prepared samples were characterized in detail by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), selected area electron diffraction (SAED), energy-dispersive X-ray spectroscopy (EDX) and vibrating sample magnetometer (VSM). Results showed that a large number of high purity Co1-xZnxFe2O4 nanocrystallites were synthesized and these nanocrystallites underwent oriented aggregation to form nanospheres. The variation of saturation magnetization (M-s) value of the samples was studied. The maximum saturation magnetization value of the as-prepared sample (Co0.5Zn0.5Fe2O4) reached 64.6 emu g(-1). (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：431 / 435

页数：5

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