Structural and Morphological Studies of Nano-crystalline Ceramic BaSr sub( 0.9) Fe sub( 0.1) TiO sub( 4)

The development of lead-free piezoelectric materials have gained great attention for the consideration of environmental protection. Nanosized BaSr sub( 0.9)Fe sub( 0.1)TiO sub( 4), a lead free perovskite phase structured ceramic was prepared via a high-energy ball milling process through mechanicall...

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Published inInternational letters of chemistry, physics and astronomy Vol. 2; p. 100
Main Authors Jacob, Reenu, Nair, Harikrishnan G, Isac, Jayakumari
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Ceramics
Environment protection
Lattice strain
Lead free
Mathematical analysis
Meters
Nanostructure
Scanning electron microscopy
X-ray diffraction
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Summary:The development of lead-free piezoelectric materials have gained great attention for the consideration of environmental protection. Nanosized BaSr sub( 0.9)Fe sub( 0.1)TiO sub( 4), a lead free perovskite phase structured ceramic was prepared via a high-energy ball milling process through mechanically assisted synthesis. The sample was analyzed by X-ray Diffraction (XRD), SEM and EDX. The XRD results and XPERT-PRO software analysis confirmed the orthorhombic system of the sample. Scanning Electron Microscopy (SEM) analysis revealed that its crystallite size is in the nano meter range. The grain size was less than 100 nm and showed a strong tendency for agglomeration. It also confirmed with the calculated value from Debye Scherrer's formula. EDX spectrum shows the elemental composition of the sample. Williamson-Hall Plot method was used to evaluate the size and lattice strain. The dislocation density and the morphology index of the sample were also calculated.
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ISSN:2299-3843