Investigation of structural, magnetic and Mossbauer properties of Co2+ and Cu2+ substituted Ni-Zn nanoferrites

被引：21
作者：
Sarveena [1 ]
Kumar, Gagan [2 ]
Kumar, Arun [1 ]
Kotnala, R. K. [3 ]
Batoo, Khalid M. [4 ]
Singh, M. [1 ]
机构：
[1] Himachal Pradesh Univ, Dept Phys, Shimla, India
[2] IEC Univ, Dept Phys, Kallujhanda, Baddi, India
[3] CSIR Natl Phys Lab, Dr KS Krishnan Rd, New Delhi, India
[4] King Saud Univ Riyadh, King Abdullah Inst Nanotechnol, Riyadh, Saudi Arabia
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 04期
关键词：
Nanoferrites; Sol-gel auto combustion; Cation distribution; Mossbauer spectroscopy; CATION DISTRIBUTION; DIFFRACTION; IONS;
D O I：
10.1016/j.ceramint.2015.12.012
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：
We investigated the effects of Co2+ and Cu2+ substitution on the super-exchange interactions in Ni-Zn nanoferrites. The cation distribution technique was taken into account to explain the results. To authenticate the cation distribution, we have estimated the cation distribution in the light of X-ray diffraction method, Mossbauer spectroscopic analysis, and magnetization study. Statistical model based on the cation distribution was used to calculate the Curie temperature. The values of magneton number n(B) and Curie temperature T-c calculated by using the cation distribution is found to be in agreement with the experimentally obtained values. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：4993 / 5000
页数：8
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