Influence of Nd3+ substitution on structural, electrical and magnetic properties of nanocrystalline nickel ferrites

被引：91
|
作者：
Shinde, T. J. [1 ]
Gadkari, A. B. [2 ]
Vasambekar, P. N. [3 ]
机构：
[1] KRP Kanya Mahavidyalaya Islampur, Dept Phys, Islampur 415409, India
[2] GKG Coll Kolhapur, Dept Phys, Kolhapur 416012, Maharashtra, India
[3] Shivaji Univ Kolhapur, Dept Elect, Kolhapur 416004, Maharashtra, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 513卷
关键词：
Nanostructured materials; Precipitation; Crystal structure; Electrical transport; Magnetic measurements; DC RESISTIVITY; NI; GD; TEMPERATURE; MOSSBAUER; ROUTE; IONS;
D O I：
10.1016/j.jallcom.2011.10.001
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：
Polycrystalline ferrite samples of NiNdxFe2-xO4 (where x = 0, 0.01, 0.02, and 0.03) system were synthesized by oxalate co-precipitation method and characterized by XRD, IR and SEM techniques. X-ray diffraction analysis confirmed the formation of single phase cubic spinel structure. The lattice constant of all the samples found to increase with increase in Nd3+ content. Crystallite size of the samples lies in the range 29.8-31 nm. Infrared spectra show two strong absorption bands in the frequency range 400-600 cm(-1), which were respectively attributed to tetrahedral and octahedral sites of the spinel. DC electrical resistivity of Nd3+ substituted nickel ferrites is higher than nickel ferrite. Saturation magnetization of the samples increases with increase in Nd3+ content. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 85
页数：6
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