Abstract
The dielectric and pyroelectric properties of trivalent-samarium doped barium strontium sodium niobate tungsten bronze structured ceramics are further modified with monovalent-Lithium. Ba1.6−(3/2)y Sr2.4Sm y Li x Na(2−x)Nb10O30 was studied for y = 0.1 and x in the range of 0 ≤ x ≤ 1. The BSSLNN ceramics can be indexed by typical orthorhombic structure and these orthorhombic (mm2) peaks are assigned to standard file No. C73-1214. Tolerance factor and average electronegativity difference has been determined for BSSLNN ceramics. Pyroelectric and DC resistivity properties of BSSLNN ceramics are reported. x = 1 composition was found to be optimum among the series for possible pyroelectric applications.
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Acknowledgments
The authors would like to express their gratitude and acknowledge Andhra University, India and University of Concepcion, Chile. We would also like to thank Ms. C. N. Devi, Mr. Ranganathan and Mr. Krishnamurthy for their technical support extended during this work.
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Chandramouli, K., Viswarupachary, P. & Ramam, K. Dielectric and pyroelectric properties of monovalent-lithium modified trivalent-samarium doped barium strontium sodium niobate tungsten bronze structured ceramics. J Mater Sci: Mater Electron 20, 977–983 (2009). https://doi.org/10.1007/s10854-008-9818-7
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DOI: https://doi.org/10.1007/s10854-008-9818-7