Synthesis and characterization of FeVO4 nanoparticles

被引：75

作者：

Nithya, V. D. ^{[1
]}

Selvan, R. Kalai ^{[1
]}

Sanjeeviraja, C. ^{[2
]}

Radheep, D. Mohan ^{[3
]}

Arumugam, S. ^{[3
]}

机构：

[1] Bharathiar Univ, Dept Phys, Solid State Ion & Energy Devices Lab, Coimbatore 641046, Tamil Nadu, India

[2] Alagappa Univ, Sch Phys, Karaikkudi 630003, Tamil Nadu, India

[3] Bharathidasan Univ, Sch Phys, Ctr High Pressure Res, Tiruchirappalli 620024, Tamil Nadu, India

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 10期

关键词：

Magnetic materials; Chemical synthesis; X-ray diffraction; Magnetic properties; HYDROTHERMAL SYNTHESIS; MAGNETIC-PROPERTIES; GROWTH; PRESSURE; FORM; CE; ND;

D O I：

10.1016/j.materresbull.2011.06.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Iron vanadate (FeVO4) nanoparticles were synthesized by simple co-precipitation method using various surfactants such as ethylene glycol, polyethylene glycol 200 and polyethylene glycol 400 as the structure directing agents. Systematic investigations on the structural, morphological and magnetic properties of the materials have been studied. The lattice constants of the triclinic structure of FeVO4 were calculated from the X-ray diffraction (XRD) analyses. The average grain size was estimated to be around 35 nm, which increased with increasing the calcination temperature. The stretching and bending vibrations of Fe-O were evaluated from the FT-IR spectra. Using VSM magnetometer, magnetic property was investigated through magnetic susceptibility and magnetization measurements. FeVO4 exhibits two magnetic ordering temperatures at T approximate to 20 K and 14 K, which is due to two different chemical environments of Fe ligands such as octahedral FeO6 and trigonal bipyramidal FeO5 in a six-column doubly bent chain, respectively. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1654 / 1658

页数：5

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