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| Title: | Effect of Sr-doping on multiferroic properties of Bi0.8La0.2Fe0.9Mn0.1O3 |
| Authors: | Ghosh, Anup K
Kevin, H
Chatterjee, B
Dwivedi, G D
Barman, A
Yang, H D
Chatterjee, S |
| Keywords: | A. Multiferroics
A. Ferroelectrics
C. Magnetization
C. Phase transitions |
| Issue Date: | 2012 |
| Publisher: | Solid State Commun. |
| Citation: | A. K. Ghosh, H. Kevin, B. Chatterjee, G. D. Dwivedi, A. Barman, H.D. Yang, and S. Chatterjee, Effect of Sr-doping on multiferroic properties of Bi0.8La0.2Fe0.9Mn0.1O3, Solid State Commun., 2012, 152, 557 |
| Abstract: | The effect of Sr-doping on ferroelectricity and ferromagnetism at room temperature has been studied for Bi0.8La0.2Fe0.9Mn0.1O3 ceramic system. X-ray diffraction shows that a structural phase transition occurs from rhombohedral structure of BiFeO3 (space group R3c) to orthorhombic structure of Bi0.8La0.2FeO3(space group C222). Substitutions of Sr-ions in Bi-site and Mn-ions in Fe-site do not induce any further
structural change. Moreover, doping of Sr-ions plays a crucial role to obtain single phased samples. DTA and TGA studies show that both the magnetic transition temperature (TM) and the ferroelectric transition temperature (TC ) decrease for Bi0.7Sr0.1La0.2Fe0.9Mn0.1O3. Sr-doping enhances the ferroelectric property by increasing the electric polarization. M–H measurement shows that Sr-ions partially destroy the spin cycloidal structure in it giving rise to weak ferromagnetism (nonlinearity) at room temperature. |
| URI: | http://hdl.handle.net/123456789/36 |
| Appears in Collections: | 2012
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