Structural, thermal, dielectric studies on sol–gel derived MgO from non-alkoxide route
Authors: Chowdhury, A.; Kumar, J.
Source: Materials Science and Technology, Volume 22, Number 10, October 2006 , pp. 1249-1254(6)
Publisher: Maney Publishing
Abstract:Mg oxide powder has been synthesised by sol–gel process via a novel non-alkoxide route. The precursor Mg oxalate gel was characterised by morphology, pore size distribution and differential thermal analysis, Fourier transformation infrared, TEM, SEM and X-ray diffraction analysis. The TEM studies on this system are reported for the first time depicting a unique morphology. A comparison in the morphology and the dielectric constant values of the sol–gel derived MgO powder was carried out with MgO powder obtained by Mg ribbon oxidation process. The sol–gel derived MgO powder was characterised by dielectric constant measurement in the compacted form and it was observed to exhibit a dielectric constant value, quite matching with the polycrystalline MgO in thin film form.
Document Type: Research Article
Publication date: October 2006
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