Singh, Satendra Pal ; Yoon, Songhak ; Baik, Sunggi ; Shin, Namsoo ; Pandey, Dhananjai (2010) A study of phase coexistence and temperature dependent monoclinic to tetragonal phase transition in the multiferroic (1-x)Pb(Fe1/2Nb1/2)O3-xPbTiO3 (x=0.08) Applied Physics Letters, 97 (12). 122902_1-122902_3. ISSN 0003-6951
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Official URL: http://apl.aip.org/resource/1/applab/v97/i12/p1229...
Related URL: http://dx.doi.org/10.1063/1.3486159
Abstract
The origin of coexistence of tetragonal and monoclinic phases in the morphotropic phase boundary (MPB) region of (1-x)Pb(Fe1/2Nb1/2)O3-xPbTiO3 has been investigated for x=0.08 by synchrotron x-ray powder diffraction in the 10-550 K range. It is shown that the phase coexistence observed at room temperature in the MPB region is essentially due to a first order phase transition between the low temperature monoclinic and high temperature tetragonal phases. This transition is shown to be accompanied with a phase coexistence over a very wide temperature range (ΔT~200 K) across the room temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 27265 |
| Deposited On: | 10 Dec 2010 12:52 |
| Last Modified: | 05 Mar 2011 09:13 |
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