Effect of doping of chromium ions on the structural and magnetic properties of nickel ferrite

被引：26

作者：

Aakash ^{[1
]}

Roychowdhury, Anirban ^{[2
]}

Das, Dipankar ^{[2
]}

Mukherjee, Samrat ^{[3
]}

机构：

[1] Birla Inst Technol, Dept Elect & Commun Engn, Ranchi 835215, Bihar, India

[2] UGC DAE, Kolkata Ctr, Consortium Sci Res, 3-LB 8, Kolkata 700098, W Bengal, India

[3] Natl Inst Technol, Dept Phys, Patna 800005, Bihar, India

来源：

CERAMICS INTERNATIONAL | 2016年 / 42卷 / 06期

关键词：

Ferrite; Ferrimagnetism; Williamson-Hall plot; Raman spectroscopy; Mossbauer spectroscopy; THIN-FILMS; MOSSBAUER; NANOPARTICLES; RAMAN; SPINELS; NIFE2O4; FE-57;

D O I：

10.1016/j.ceramint.2016.01.188

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper we report the synthesis of Cr doped nickel ferrite denoted by the generic formula Ni1-xCrxFe2O4(x=0.05, 0.10 and 0.15) through a standard chemical co-precipitation method. An effort has been made to study the effect of doping of trivalent ions on the formation of cationic vacancies in the crystal. The structural characterization of the samples was carried out using X-ray diffraction and Raman spectroscopy. X-ray diffraction confirmed the formation of single spinel phase. The refinement of the pattern using GSAS showed the presence of cationic vacancies in all the three samples which give rise to compressive strain. Raman spectroscopy and Mossbauer measurements indicated distortion in the crystal structure as doping of Cr3+ was increased. The magnetic measurements of all the samples exhibited negligible coercivity coupled with ferrimagnetic nature indicating very low magnetic anisotropy. Additionally the samples showed a steep magnetization curve making it an attractive choice for magnetic switching applications. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：7742 / 7747

页数：6

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