Bhattacharjee, Shuvrajyoti ; Tripathi, Saurabh ; Pandey, Dhananjai (2007) Morphotropic phase boundary in (1-x)BiFeO3-xPbTiO3: phase coexistence region and unusually large tetragonality Applied Physics Letters, 19 (4). 042903-042905. ISSN 0003-6951
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Official URL: http://apl.aip.org/resource/1/applab/v91/i4/p04290...
Related URL: http://dx.doi.org/10.1063/1.2766657
Abstract
It is shown that the tetragonal (T) and rhombohedral (R) structures of (1-x)BiFeO3-xPbTiO3 are stable for xT ≥ 0.31 and xR ≤ 0.27, respectively, giving the narrowest width of 0.03, reported so far, for the morphotropic phase boundary region in this system. The Rietveld refined structure of the T phase for x = 0.31 reveals partial covalent character of the Ti/Fe-O and Pb/Bi-O bonds which may be responsible for the unusually large tetragonality.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Antiferromagnetic Materials; Bismuth Compounds; Bonds (chemical); Crystal Structure; Ferroelectric Materials; Ferroelectric Transitions; Lead Compounds; Magnetic Transitions; Multiferroics; Phase Equilibrium; Solid-state Phase Transformations |
| ID Code: | 88725 |
| Deposited On: | 29 Mar 2012 14:44 |
| Last Modified: | 29 Mar 2012 14:44 |
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