Investigation of electrical properties and conduction mechanism using CBH model of Ba0.97La0.02Ti1−xNb4x/5O3 (x = 0.00 and 0.02) compounds

Jebli, Marwa; Rayssi, Ch.; Dhahri, J.; Khirouni, K.

doi:10.1007/s00339-020-3298-x

Cited by 35 publications

(5 citation statements)

References 56 publications

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“…In this formalism, the alternating conductivity ac is given by: 42–44 where NN P is proportional to the square of the concentration of states, ε is the dielectric constant of the material and R ω is the hopping distance for conduction and is given by the relation:…”

Section: Resultsmentioning

confidence: 99%

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

et al. 2023

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Section: Resultsmentioning

confidence: 99%

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

et al. 2023

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“…Their consistent patterns closely resembled those of tetragonal perovskite for the tow samples, space group P4/mmm and were indexed accordingly with refined lattice parameters summed up in Table.1: lattice parameters, especially c and the unit cell volume, demonstrate a small decrease with x; it very well may be clarified by the rayon ionic radii Nb 5+ substitutes for Ti 4+ [32,33]. …”

mentioning

confidence: 86%

“…1: lattice parameters, especially c and the unit cell volume, demonstrate a small decrease with x; it very well may be clarified by the rayon ionic radii Nb 5+ substitutes for Ti 4+ [32,33]. …”

mentioning

confidence: 87%

“…exposed in Figure.8, the "Eg" value was assessed to be about 3.31 and 3.39 for BLT and BLT0.9Nb0.08, respectively, due to the diminished average crystallite size. [32,33] It can be seen that the optical band gap energy increments with Nb rates. [64][65] These obtained values of "Eg" established that the two compounds of polycrystalline ceramic perovskites were all semiconductor materials.…”

Section: Optical Band Gap Energy Of the Undoped And Nb-doped Blt Cementioning

confidence: 98%

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DC-Bias Dependent Impedance and UV-Vis Diffuse Reflectance Spectroscopy of The Un-Doped and Nb-Doped Ba0.97La0.02TiO3 Ceramics

Jebli

Hamadoui

rayssi

et al. 2021

Preprint

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This report typically discusses the Voltage-Stability (V-S) of the electrical properties of a new perovskite oxide, Ba0.97La0.02Ti1-xNb4x/5O3 (noted BLT, BLT0.9Nb0.08) ceramics which have been meticulously studied. The ceramics typically exhibited a low rise in the real and imaginary parts of the complex impedance on the application of small field levels (up to 5 V). These accurate data, at a low voltage threshold, properly designate a hole-generation process which becomes active. These values considered using AC impedance spectroscopy, nonetheless, were relatively decreased with increasing Nb concentration, as well as increased by this application of a DC bias. For each sample, the complex impedance plot displayed a single impedance semicircle, identified over the high and low frequencies. The equivalent circuit configuration was typically fitted using the Electrochemical Impedance Spectroscopy (EIS) spectra analyzer. Importantly, the electrical properties of our both compounds deduced from the complex electric modulus show a conduction process due to the short-range mobility of charge carriers. An excellent addition of Niobium to some considerable extent can inhibit the grain growth. Conspicuously, the substitution of Nb5+ ions for Ti4+ on B sites leads to the noticeable increase of a band gap. These findings supplied critical insights into the electric mechanisms in BT-based ceramics.

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“…The progressive reduction of the semicircular arc is caused by the diminishing frequency, because of both grain and grain boundary contributions over temperature. 50–52 Thermal activation effectively stimulates the charge transport pathway in the intra-grain and grain border regions. 53,54…”

Section: Complex Impedance Spectroscopymentioning

confidence: 99%

Investigation of the structural, dielectric, magnetic properties and NTC-thermistor response of CaBiFeMnO₆ double perovskites

Sahoo,

Nayak

et al. 2024

Mater. Adv.

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Investigation of electrical properties and conduction mechanism using CBH model of Ba0.97La0.02Ti1−xNb4x/5O3 (x = 0.00 and 0.02) compounds

Cited by 35 publications

References 56 publications

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

DC-Bias Dependent Impedance and UV-Vis Diffuse Reflectance Spectroscopy of The Un-Doped and Nb-Doped Ba0.97La0.02TiO3 Ceramics

Investigation of the structural, dielectric, magnetic properties and NTC-thermistor response of CaBiFeMnO₆ double perovskites

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Investigation of electrical properties and conduction mechanism using CBH model of Ba0.97La0.02Ti1−xNb4x/5O3 (x = 0.00 and 0.02) compounds

Cited by 35 publications

References 56 publications

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C12H17N2]2ZnBr4

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C12H17N2]2ZnBr4

DC-Bias Dependent Impedance and UV-Vis Diffuse Reflectance Spectroscopy of The Un-Doped and Nb-Doped Ba0.97La0.02TiO3 Ceramics

Investigation of the structural, dielectric, magnetic properties and NTC-thermistor response of CaBiFeMnO6 double perovskites

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Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

Investigation of structural, optical and electrical conductivity of a new organic inorganic bromide: [C₁₂H₁₇N₂]₂ZnBr₄

Investigation of the structural, dielectric, magnetic properties and NTC-thermistor response of CaBiFeMnO₆ double perovskites