Garg, Rohini ; Senyshyn, Anatoliy ; Boysen, Hans ; Ranjan, Rajeev (2009) Structure of the noncubic phase in the ferroelectric state of Pr-substituted SrTiO3 Physical Review B: Condensed Matter and Materials Physics, 79 (14). ISSN 1098-0121
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Official URL: http://doi.org/10.1103/PhysRevB.79.144122
Related URL: http://dx.doi.org/10.1103/PhysRevB.79.144122
Abstract
Sr1−xPrxTiO3 has recently been shown to exhibit ferroelectricity at room temperature. In this paper powder x-ray and neutron-diffraction patterns of this system at room temperature have been analyzed to show that the system exhibits cubic (Pm-3m) structure for x≤0.05 and tetragonal (I4/mcm) for x>0.05. The redundancy of the noncentrosymmetric structural model (I4cm) in the ferroelectric state suggests the absence of long-range ordered ferroelectric domains and supports the relaxor ferroelectric model for this system.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 123039 |
| Deposited On: | 02 Sep 2021 11:33 |
| Last Modified: | 02 Sep 2021 11:33 |
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