286 citations · 577 across the 6 of their papers we have counts for
6 papers
Synthesis of Nanoparticles of the Giant Dielectric Material, CaCu3Ti4O12 from a Precursor Route
P. Thomas, K. Dwarakanath, K. B. R. Varma +1
A complex oxalate precursor, CaCu3(TiO)4(C2O4)8.9H2O, was synthesized and the precipitate that obtained was confirmed to be monophasic by the wet chemical analyses, X-ray diffracti…
In-situ synthesis and characterization of polyaniline -CaCu3Ti4O12 nano crystal composites
P. Thomas, K. Dwarakanath, K. B. R. Varma
High dielectric constant nano composite of Polyaniline (PANI) CaCu3Ti4O12 (CCTO) was synthesized using a simple procedure involving in-situ polymerization of aniline in dil. HCl. T…
Nanoparticles of the giant dielectric material, CaCu3Ti4O12 from a precursor route
P. Thomas, K. Dwarakanath, K. B. R. Varma +1
A method of preparing the nanoparticles of CaCu3Ti4O12 (CCTO) with the crystallite size varying from 30 to 200 nm is optimized at a temperature as low as 680 1C from the exothermic…
Effect of calcium stoichiometry on the dielectric response of CaCu3Ti4O12 Ceramics
P. Thomas, K. Dwarakanath, K. B. R. Varma
CaxCu3Ti4O12 polycrystalline powders with variation in calcium content were prepared via the oxalate precursor route. The structural, morphological and dielectric properties of the…
Dielectric properties of Poly(vinylidene fluoride)/ CaCu3Ti4O12 nanocrystal composite thick films
P. Thomas, S. Satapathy, K. Dwarakanath +1
The Poly(vinylidene fluoride)/CaCu3Ti4O12 (CCTO) nanocrystal composite films (85nm) with relatively high dielectric permittivity (90 at 100Hz) were prepared by the solution casting…
Dielectric properties of Poly(vinylidene fluoride) / CaCu3Ti4O12 composites
P. Thomasa, K. T. Varughese, K. Dwarakanath +1
The possibility of obtaining relatively high dielectric constant polymer-ceramic composite by incorporating the giant dielectric constant material, CaCu3Ti4O12 (CCTO) in a Poly(vin…