Low temperature Mossbauer spectroscopic studies on Sm3+ doped Zn-Mn ferrites

被引:21
作者
Angadi, V. Jagadeesha [1 ,2 ]
Kubrin, S. P. [3 ]
Sarychev, D. A. [3 ]
Matteppanavar, Shidaling [1 ]
Rudraswamy, B. [1 ]
Liu, Hsiang-Lin [4 ]
Praveena, K. [4 ,5 ]
机构
[1] Bangalore Univ, Dept Phys, Bangalore 560056, Karnataka, India
[2] KLESs S Nijalingappa Coll, Dept Phys, Bangalore 560010, Karnataka, India
[3] Southern Fed Univ, Inst Phys Res, Rostov Na Donu, Russia
[4] Natl Taiwan Normal Univ, Dept Phys, Taipei 11677, Taiwan
[5] Palamuru Univ, Dept Phys, Mahabubnagar 509001, Telangana, India
关键词
Zn-Mn ferrites; Zeeman sextets; Phase transition; Low temperature Mossbauer spectroscopy; MAGNETIC-PROPERTIES; SUBSTITUTION;
D O I
10.1016/j.jmmm.2017.05.080
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For the first time, we report on the low temperature Mossbauer spectroscopic study of Zn0.52+Mn0.52+Smx3+ Fe-2(3+) xO(4) ( where x = 0.01-0.05) prepared by the modified solution combustion method using a mixture of urea and glucose as a fuel. The Mossbauer spectroscopy at room and low temperatures was applied to understand the magnetic properties of the samples. The room temperature Mossbauer spectroscopy results suggest that the occupation of the octahedral sites by Sm3+ ions leads to the distortion enhancement of Fe-57 nuclei environments, which leads to an increase in quadrupole splitting Delta values of D2 and D3 doublets. The low temperature Mossbauer spectroscopy results indicate that the presence of Sm3+ ions in the octahedron sites causes the decrease in the number of Fe-O-Fe chains. The transformation of Mossbauer spectra doublets into Zeeman sextets is accompanied by a significant decrease in the magnitude IM of Mossbauer spectra intensity within the 0-1.2 mm/s velocity range normalized to its value at 300 K. This drop in the temperature dependence of IM allows one to obtain the magnetic phase transition temperature T-M from the Mossbauer experiment. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:348 / 355
页数:8
相关论文
共 21 条
[21]   Effect of samarium substitution on structural and magnetic properties of magnesium ferrite nanoparticles [J].
Thankachan, Smitha ;
Jacob, Binu P. ;
Xavier, Sheena ;
Mohammed, E. M. .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2013, 348 :140-145