Singh, Anar ; Pandey, Vibhav ; Kotnala, R. K. ; Pandey, Dhananjai (2008) Direct evidence for multiferroic magnetoelectric coupling in 0.9BiFeO3-0.1BaTiO3 Physical Review Letters, 101 (24). 247602_1-247602_4. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v101/i24/e247602
Related URL: http://dx.doi.org/10.1103/PhysRevLett.101.247602
Abstract
Magnetic, dielectric and calorimetric studies on 0.9BiFeO3-0.1BaTiO3 indicate strong magnetoelectric coupling. XRD studies reveal a very remarkable change in the rhombohedral distortion angle and a significant shift in the atomic positions at the magnetic Tc due to an isostructural phase transition. The calculated polarization using Rietveld refined atomic positions scales linearly with magnetization. Our results provide the first unambiguous, atomic level evidence for magnetoelectric coupling of intrinsic multiferroic origin in a BiFeO3-based system.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 27225 |
| Deposited On: | 10 Dec 2010 12:56 |
| Last Modified: | 05 Mar 2011 09:21 |
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