Development of bismuth-based electronic materials from Indian red mud

In the present investigation, the study of structural, dielectric, and electrical properties of lanthanum doped barium titanate ceramics with structural formula Ba 22x La 4 1 2x/3 Ti 8 O 24 (x 5 0.0, 0.2, 0.4, 0.6) was reported. The target samples were obtained by mixed oxide route technique. Preliminary X-ray diffraction studies revealed the single phase formation in the orthorhombic crystal structure. The surface morphology of the samples showed that there were well-defined grains of different sizes and shapes that were homogenously distributed on the surface of samples. The approximate grain size was also calculated. The dielectric properties like dielectric constant (e r ), loss tangent (tan d), and AC conductivity (r ac ) and temperature coefficient of resonant frequency were studied in the temperature range of 298-623 K and frequency range of 10 KHz-1 MHz. Dielectric response showed low temperature dispersion in dielectric properties at low frequency. This showed the space charge phenomenon arising due to defects. DC resistivity measured at room temperature for different compositions decreased with increase in substitution. All four samples gave very small value of temperature coefficient of resonant frequency. Sample with x 5 0.6 showed minimum value of s f. Thus, the prepared samples could be the dielectric materials for the practical applications like resonators, filters, antennas, etc.

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Structural, dielectric and electrical analysis of Ba₂₋_xLa_4 + 2_x_/3Ti₈O₂₄ceramics system with frequency and temperature

Narang

Kaur

Pubby

2016

Microw. Opt. Technol. Lett.

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Electrical transport of Mg-doped maghemite (γ-Fe2O3) nanoparticles

et al. 2022

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Studies of structural, dielectric and electrical characteristics of nickel-modified barium titanate for device applications

Behera

Patel

Pradhan³

et al. 2022

J Mater Sci: Mater Electron

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Development of bismuth-based electronic materials from Indian red mud

Cited by 9 publications

References 25 publications

Structural, dielectric and electrical analysis of Ba₂₋_xLa_4 + 2_x_/3Ti₈O₂₄ceramics system with frequency and temperature

Structural, dielectric and electrical analysis of Ba₂₋_xLa_4 + 2_x_/3Ti₈O₂₄ceramics system with frequency and temperature

Electrical transport of Mg-doped maghemite (γ-Fe2O3) nanoparticles

Studies of structural, dielectric and electrical characteristics of nickel-modified barium titanate for device applications

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Development of bismuth-based electronic materials from Indian red mud

Cited by 9 publications

References 25 publications

Structural, dielectric and electrical analysis of Ba2−xLa4 + 2x/3Ti8O24ceramics system with frequency and temperature

Structural, dielectric and electrical analysis of Ba2−xLa4 + 2x/3Ti8O24ceramics system with frequency and temperature

Electrical transport of Mg-doped maghemite (γ-Fe2O3) nanoparticles

Studies of structural, dielectric and electrical characteristics of nickel-modified barium titanate for device applications

Contact Info

Product

Resources

About

Structural, dielectric and electrical analysis of Ba₂₋_xLa_4 + 2_x_/3Ti₈O₂₄ceramics system with frequency and temperature

Structural, dielectric and electrical analysis of Ba₂₋_xLa_4 + 2_x_/3Ti₈O₂₄ceramics system with frequency and temperature