journal article·2009-10

Dielectric and pyroelectric properties of monovalent-lithium modified trivalent-samarium doped barium strontium sodium niobate tungsten bronze structured ceramics

K. Chandramouli, P. Viswarupachary, Koduri Ramam

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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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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis · Acoustic Wave Resonator Technologies

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