Temperature and nickel substitution effects on the phase transitions in the Sr2Zn1−xNixWO6 (0 ≤ x ≤ 1) double perovskite

Manoun, Bouchaib; Mirinioui, F.; Tamraoui, Youssef; Solhy, Abderrahim; Yang, Wenge; Lazor, Peter

doi:10.1016/j.jallcom.2016.07.286

Cited by 3 publications

(1 citation statement)

References 39 publications

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“…The combined powders were then placed on alumina crucibles and heated in a furnace at 900 °C for 24 h at a rate of 15 °C per minute to dissolve the carbonates. The combined powders were then reground into fine powders and recalcined for 24 h at 1100 °C to improve the purity of the samples and remove all secondary phase 16,17 . The combined powders were shaped into pellets with diameters of 13 mm and thicknesses of 2.5 mm using a hydraulic press with a pressure of 5 tones.…”

Section: Methodsmentioning

confidence: 99%

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

Saadon

Taib

Loy

et al. 2023

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In this paper, Sr2–xCaxNiWO6 (x = 0.00, 0.02, 0.04, 0.06) were synthesized using a solid-state reaction method. The crystal structure, optical and dielectric properties of the compounds were examined using X-ray diffraction (XRD), scanning electron microscope (SEM) with energy dispersive (EDX) analysis, Ultraviolet–visible (UV–vis) diffuse reflectance spectroscopy and electrochemical impedance spectroscopy respectively. The Rietveld refinement of XRD confirmed that the compounds crystallized in a tetragonal structure with a space group I4/m. According to the SEM images, the grain sizes of the compounds decreased as the dopant increased. The UV–vis analysis revealed that the band gap energy of the compounds decreased from 3.17 eV to 3.13 eV as the amount of doping increased from x = 0.00 to x = 0.06. A dielectric characterization showed that the dielectric constant (ε′) and dielectric loss (tan δ) for all compounds possessed a similar trend where it was higher in low-frequency area (~ 1 Hz) and dropped instantaneously with the enhancement of frequency up to 1 MHz until it reached constant values.

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Section: Methodsmentioning

confidence: 99%

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

Saadon

Taib

Loy

et al. 2023

Sci Rep

View full text Add to dashboard Cite

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On the structural phase transitions and optical properties of Sr2Sr1-xCaxTeO6 (0 ≤ x ≤ 1) ceramics

et al. 2021

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Structural, optical and dielectric properties of Sr₂Ni_1−xMg_xWO₆(x= 0.00, 0.02, 0.04, and 0.06) double perovskite

et al. 2021

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Temperature and nickel substitution effects on the phase transitions in the Sr2Zn1−xNixWO6 (0 ≤ x ≤ 1) double perovskite

Cited by 3 publications

References 39 publications

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

On the structural phase transitions and optical properties of Sr2Sr1-xCaxTeO6 (0 ≤ x ≤ 1) ceramics

Structural, optical and dielectric properties of Sr₂Ni_1−xMg_xWO₆(x= 0.00, 0.02, 0.04, and 0.06) double perovskite

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Temperature and nickel substitution effects on the phase transitions in the Sr2Zn1−xNixWO6 (0 ≤ x ≤ 1) double perovskite

Cited by 3 publications

References 39 publications

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

Role of Ca2+ doping on the enhancement of dielectric properties of Sr2–xCaxNiWO6 for energy storage device application

On the structural phase transitions and optical properties of Sr2Sr1-xCaxTeO6 (0 ≤ x ≤ 1) ceramics

Structural, optical and dielectric properties of Sr2Ni1−xMgxWO6(x= 0.00, 0.02, 0.04, and 0.06) double perovskite

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Structural, optical and dielectric properties of Sr₂Ni_1−xMg_xWO₆(x= 0.00, 0.02, 0.04, and 0.06) double perovskite