Green Synthesis of Ba1−Sr TiO3 ceramic nanopowders by sol-gel combustion method using lemon juice as a fuel: Tailoring of Microstructure, ferroelectric, dielectric and electrical properties

Structural Elucidation, Electronic and Microwave Dielectric Properties of Ca(SnxTi1–x)O3, (0 ≤ x ≤ 0.8) Lead-Free Ceramics

“…The particle size and lattice strain of Tin-doped calcium titanate samples were determined using the Williamson–Hall technique from the broadening of the XRD peaks where β is the fwhm in radian by fitting the prominent peaks, θ is the diffraction angle in radian, k is the shape factor value 0.94, “λ” is the XRD wavelength (λ = 0.15418 nm), and “ D ” is the effective crystalline size.…”

Synthesis of Ba1−xSrxTiO3 (x = 0–0.3) Ceramic Powders via Sol‐Gel Method: Structural, Microstructure, Thermal Conductivity, and Compressive Strength Properties

“…[31] Moreover, this band is related to Ti 4+ in octahedron geometry of coordination and anti-symmetric stretching of TiO 6 octahedra structure into BaTiO 3 lattice. [20] The absorption wavenumber of Ti-O bond was shown to shift to the higher side with increasing of the Sr 2+ content. As mentioned earlier, the peak is shifted from around 509.75 cm −1 to 533.20 cm −1 when the amount of Sr 2+ ranges from 0.0 to 30% which suggests as mentioned in the XRD analysis the shrinkage of the elementary cell volume.…”

“…The lattice constant (a and c) for BSrxT, where x = 0.0-0.3 prepared samples were estimated from XRD analysis taking into account tetragonal and cubic phases using relations (1) and ( 2) respectively; [20] Tetragonal structure 1…”

“…[16] To produce barium titanate with superior mechanical strength, that is highly reproducible between group components, normally, low porosity is required which resulted from small spherical pores that are uniformly distributed across the material. [17] Many publications have been carried out related to the fabrication and study of strontium modified BaTiO 3 and its effect on the structural, mechanical, optical, and dielectric properties of BaTiO 3 powders using different synthesis techniques, [18,19] and more recently those reported by Khirade et al, [20] and Kefan Liu et al, [21] however, to our knowledge, no publication has been dedicated to the study of the compressive strength and thermal conductivity of Sr-modified BaTiO 3 using the sol-gel process.…”

Suppression of intrinsic thermal conductivity in Sr1−xGdxTiO3 ceramics via phonon-point defect scattering for enhanced thermoelectric application

“…Oxide materials possess advantages like high thermal and chemical stability, low toxicity, cost-effectiveness and immense oxidation resistance. [6][7][8] These properties make the oxide materials a potential candidate for TE applications enabling reliable manufacturing and durable functioning of the devices. 9 Oxides have typically a small phonon mean free path in comparison with conventional TE materials, this is mainly a challenging part of reducing thermal conductivity.…”