Journal
MATERIALS LETTERS
Volume 216, Issue -, Pages 54-57Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2017.12.105
Keywords
Ceramics; X-ray techniques; Orthorhombic distortion; Electrical and optical properties; Thermal stability
Funding
- Department of science and Technology [SR/WOS-A/PM-1003/2014(G)]
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In this report, we present the electrical and optical properties of four-layered perovskite ferroelectric ABi(4)Ti(4)O(15) (with A = Sr, Ba, Ca), prepared by solid-state reaction route. The X-ray diffraction study asserts single-phase orthorhombic structure with A2(1)am space group. Scanning electron microscopy observation shows plate-like grains in all the samples. Notably orthorhombic distortion (b/a) decreases with increase in ionic radius of A-site cation, which was explained by tolerance factor. Additionally, good ferroelectric, piezoelectric, optical and thermal stability obtained in SBT system. (C) 2017 Elsevier B.V. All rights reserved.
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