Ranjan, Rajeev ; Kothai, V. ; Senyshyn, Anatoliy ; Boysen, Hans (2011) Neutron diffraction study of the coupling between spin, lattice, and structural degrees of freedom in 0.8BiFeO3-0.2PbTiO3 Journal of Applied Physics, 109 (6). 063522. ISSN 0021-8979
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Official URL: http://doi.org/10.1063/1.3555093
Related URL: http://dx.doi.org/10.1063/1.3555093
Abstract
A powder neutron diffraction study was carried out on 0.8BiFeO3-0.2PbTiO3 in the temperature range 27–1000°C. The system exhibits magnetic transition at ∼300°C and a rhombohedral (R3c)-cubic (Pm3m) ferroelectric phase transition at ∼650°C. Anomalous variation in the lattice parameters and the octahedral tilt angle is observed across the magnetic transition temperature. In the magnetic phase, the c parameter is contracted and the octahedral tilt angle is slightly increased. The results suggest coupling between the spin, lattice and structural degrees of freedom.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 123023 |
| Deposited On: | 02 Sep 2021 06:58 |
| Last Modified: | 02 Sep 2021 06:58 |
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