Issue 40, 2013
From the journal:

RSC Advances

Synthesis of Ni-substituted Bi7Fe3Ti3O21 ceramics and their superior room temperature multiferroic properties

Shujie Sun,a   Yihan Ling,a   Ranran Peng,*a   Min Liu,a   Xiangyu Mao,c   Xiaobing Chen,c   Randy J. Knized  and  Yalin Lu*abd  

* Corresponding authors

a CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
E-mail: pengrr@ustc.edu.cn

b Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, P. R. China
E-mail: yllu@ustc.edu.cn, yalin.lu@usafa.edu

c The College of Physical Science and Technology, Yangzhou University, Yangzhou 225009, P. R. China

d Laser Optics Research Center, US Air Force Academy, Colorado 80840, USA

Abstract

Layer-structured bismuth complex oxides Bi7Fe3−xNixTi3O21 (0 ≤ x ≤ 2) (BFNT) were synthesized using a low-temperature combustion synthesis method. X-ray diffraction patterns and high-resolution transmission electron microscopy analysis indicated that the samples presented a six-layer Aurivillius structure. Substituting Fe sites by Ni ions inside the lattice was found to be effective in enhancing the multiferroic properties at or above the room-temperature. The sample with a composition of x = 1 exhibited a large remnant magnetization (2Mr = 1.32 emu g−1) that is about five hundred times higher than that in un-substituted Bi7Fe3Ti3O21 ceramics. The work is an important step in the effort to find a single phase and a fully functioning multiferroic material.

Graphical abstract: Synthesis of Ni-substituted Bi7Fe3Ti3O21 ceramics and their superior room temperature multiferroic properties

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Article information

DOI
https://doi.org/10.1039/C3RA42589D
Article type
Paper
Submitted
28 May 2013
Accepted
25 Jul 2013
First published
26 Jul 2013

RSC Adv., 2013,3, 18567-18572

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Synthesis of Ni-substituted Bi7Fe3Ti3O21 ceramics and their superior room temperature multiferroic properties

S. Sun, Y. Ling, R. Peng, M. Liu, X. Mao, X. Chen, R. J. Knize and Y. Lu, RSC Adv., 2013, 3, 18567 DOI: 10.1039/C3RA42589D

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