Paper Title:
Correlation between Ionic Radius of Substituting Element and Magnetic Properties of Bi1-xAxFeO3-x/2 (A= Ca, Sr, Pb, Ba) Multiferroics
  Abstract

Investigation of crystal structure and magnetic properties of the diamagnetically- substituted Bi1-xAxFeO3-x/2 (A= Ca, Sr, Pb, Ba; x= 0.2, 0.3) polycrystalline samples has been carried out. It has been shown that the heterovalent A2+ substitution result in the formation of oxygen vacancies in the host lattice. The solid solutions have been found to possess a rhombohedrally distorted perovskite structure described by the space group R3c. Magnetization measurements have shown that the magnetic state of these compounds is determined by the ionic radius of the substituting elements. A-site substitution with the biggest ionic radius ions has been found to suppress the spiral spin structure of BiFeO3 giving rise to the appearance of weak ferromagnetism.

  Info
Periodical
Solid State Phenomena (Volumes 152-153)
Edited by
N. Perov
Pages
131-134
DOI
10.4028/www.scientific.net/SSP.152-153.131
Citation
V.A. Khomchenko, M. Kopcewicz, A. M. L. Lopes, Y. G. Pogorelov, J.P. Araujo, J. M. Vieira, A. L. Kholkin, "Correlation between Ionic Radius of Substituting Element and Magnetic Properties of Bi1-xAxFeO3-x/2 (A= Ca, Sr, Pb, Ba) Multiferroics", Solid State Phenomena, Vols. 152-153, pp. 131-134, 2009
Online since
April 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: A.K. Azad, S.-G. Eriksson, Håkan Rundlöf, J. Eriksen
Abstract:The double perovskites Ca2-xSrxMnWO6 (x = 0.0, 0.5, 1.0, 1.5, 2.0) have been prepared as pure phases by a...
375
Authors: J. Feng, Q.B. Bo, P. Che, J.P. Wang, M.F. Lu, J.F. Liu, Xue Qiang Cao, Jian Meng
Abstract:The layered manganese oxides LaSr2Mn2-xTxO7 (T=Fe, Cr and Ni) has been prepared. The effect of substitution of transition metal ions for Mn...
2227
Authors: K.F. Wang, X.P. Liu, Q.C. Li, Y. Wang, L.F. Wang, S. Dong, H. Yu, J.M. Liu
Abstract:The effects of A-site cation size disorder in ABO3 type ferromagnetic metallic La0.55Ca0.45MnO3 system have been studied by substituting...
351
Authors: Yeong Seung Jeong, M.S. Anwar, Faheem Ahmed, Seung Rok Lee, Bon Heun Koo
Chapter 2: Materials Science and Applications, Materials Processing Technology
Abstract:We report the magnetic transition and large magnetic entropy change in Sr doped lanthanum manganites. Polycrystalline...
225
Authors: Yohanes Edi Gunanto, K. Sinaga, B. Kurniawan, S. Poertadji, H. Tanaka, T. Ono, E. Steven, J.S. Brooks
Chapter 2: Materials Synthesis and Properties Research
Abstract:The study of the perovskite manganites...
73