Structural, electronic structure and magnetic studies of SmFe1-xNixO3 (x≤0.5)

被引：27

作者：

Bashir, Abida ^{[1
]}

Ikram, M. ^{[1
]}

Kumar, Ravi ^{[2
]}

Lisboa-Filho, P. N. ^{[3
]}

Thakur, P. ^{[4
]}

机构：

[1] Natl Inst Technol, Dept Phys, Srinagar 190006, Jammu & Kashmir, India

[2] Natl Inst Technol, Ctr Mat Sci Engn, Hamirpur 177005, HP, India

[3] UNESP Univ Estadual Paulista, Fac Ciencias, Dept Fis, Sao Paulo, Brazil

[4] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2010年 / 172卷 / 03期

关键词：

XRD; X-ray absorption spectroscopy; Magnetization; RARE-EARTH ORTHOFERRITES; X-RAY-ABSORPTION; PEROVSKITES; SPECTROSCOPY; SMFEO3;

D O I：

10.1016/j.mseb.2010.05.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present the structural, electronic structure and magnetic studies of Ni doped SmFeO3. The X-ray diffraction (XRD) studies confirm the single phase nature of the samples having orthorhombic Pbnm structure and the unit-cell volume is decreasing with the increase of Ni concentration. X-ray absorption spectroscopy (XAS) studies on O K. Fe L-3.2, Ni L-3.2 and Sm M-5.4 edges of SmFe1-xNixO3 (x <= 0.5) samples along with the reference compounds revealed the homo-valence state of Fe and Ni in these materials. From magnetization studies it has been observed the materials exhibit ferromagnetic and anti-ferromagnetic sub-lattices, which are strongly dependent on the thermo-magnetic state of the system. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：242 / 247

页数：6

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