ChemInform Abstract: Structure‐Composition‐Property Relationships of 6H‐BaTi1‐yCoyO3‐δ (0.1 ≤ y ≤ 0.4).

Miranda, Laura; Boulahya, Khalid; Hernando, María; Sinclair, Derek C.; Jimenez-Villacorta, F.; Varela, Áurea; González‐Calbet, José M.; Parras, M.

doi:10.1002/chin.201116004

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“…Due to the variation in Bi ionic valence, NBT possesses high leakage, 15,16 and cubic close‐packed perovskite structure of it induced massive properties. On the other hand, the high temperature (>1425°C) hexagonal polymorph displays interesting and potentially useful electronic properties because of the temperature and chemical dopants present.…”

Section: Introductionmentioning

confidence: 99%

Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

Liu

et al. 2021

Int J Applied Ceramic Tech

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The electric and dielectric properties of Na0.5Bi4.50+xTi4Oy (x = −0.02, 0, 0.02) prepared by conventional mixed oxide route have been investigated by impedance spectroscopy (IS) over a wide temperature range. Single‐phase bismuth layer‐structured perovskite patterns were observed through X‐ray diffraction of the three samples Na0.5Bi4.5Ti4O15, Na0.5Bi4.48Ti4Oy, and Na0.5Bi4.52Ti4Oy. The results show that the relative permittivity (εr) increases with the increase in temperature and reaches its maximum at about 675℃. With the continuous increase in temperature, the permittivity decreases gradually. Both relative permittivity and dielectric loss show great stability at the low‐temperature zone. The ceramic of x = 0.02 with Ea of 1.09 eV has the maximum oxygen ionic transport number between 600 and 800℃ for all samples. And at this time, it has the maximum electrical conductivity. All the results indicated that Na0.5Bi4.50+xTi4Oy (x = −0.02, 0, 0.02) ceramics were promising base materials for high‐temperature capacitor because of their high dielectric properties.

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Section: Introductionmentioning

confidence: 99%

Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

Liu

et al. 2021

Int J Applied Ceramic Tech

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ChemInform Abstract: Structure‐Composition‐Property Relationships of 6H‐BaTi_1‐yCo_yO_3‐δ (0.1 ≤ y ≤ 0.4).

Abstract: The title solid solutions are prepared from stoichiometric mixtures of BaCO3, TiO2, and Co3O4 (Pt crucible, 1648 K for 2 d (y = 0.1), 1473 K for 3 d (y = 0.2), 1373 K for 3 d (y = 0.3), 1398 K for 6 d (y = 0.4)).

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Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

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ChemInform Abstract: Structure‐Composition‐Property Relationships of 6H‐BaTi1‐yCoyO3‐δ (0.1 ≤ y ≤ 0.4).

Abstract: The title solid solutions are prepared from stoichiometric mixtures of BaCO3, TiO2, and Co3O4 (Pt crucible, 1648 K for 2 d (y = 0.1), 1473 K for 3 d (y = 0.2), 1373 K for 3 d (y = 0.3), 1398 K for 6 d (y = 0.4)).

Cited by 1 publication

References 1 publication

Impedance spectroscopy of Na0.5Bi4.50+xTi4Oy (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

Impedance spectroscopy of Na0.5Bi4.50+xTi4Oy (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

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ChemInform Abstract: Structure‐Composition‐Property Relationships of 6H‐BaTi_1‐yCo_yO_3‐δ (0.1 ≤ y ≤ 0.4).

Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties

Impedance spectroscopy of Na_0.5Bi_4.50+xTi₄O_y (x = ‐0.02, 0, 0.02) ceramics with excellent dielectric properties