Synthesis of CCTO powder for application in humidity sensor

Chattopadhyay, Anamitra; Nayak, J.

doi:10.1063/5.0002019

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“…Since then, pure and substituted CaCu 3 Ti 4 O 12 and related materials in monocrystalline, microcrystalline, nanophasic, nanocomposites, and thin-film forms have been extensively researched for potential use in a wide range of applications. In 2020, Chhetry et al [8] revealed a novel possibility for the easy design and development of superior CaCu 3 Ti 4 O 12 based capacitive sensors with versatile characteristics. Chattopadhyay et al [9] suggested the possible use of CaCu 3 Ti 4 O 12 nanopowder for application in a humidity sensor.…”

Section: Introductionmentioning

confidence: 99%

Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂

Modi¹,

Raval²,

Parekh³

et al. 2022

J. Semicond.

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The electrical properties of cubic perovskite series, CaCu3–x Ti4–x Fe2x O12 with x = 0.0, 0.1, 0.3, 0.5, and 0.7, have been studied by employing current density as a function of electric field characteristics registered at different temperatures and thermal variations of direct current electrical resistivity measurements. All of the compositions exhibit strong non-ohmic behavior. The concentration dependence of breakdown field, the temperature at which switching action takes place, and maximum value of current density (J max) has been explained on account of structural, microstructural, and positron lifetime parameters. The highest ever reported value of J max = 327 mA/cm2 has been observed for pristine composition. The values of the nonlinear coefficient advise the suitability of ceramics for low-voltage varistor applications. The Arrhenius plots show typical semiconducting nature. The activation energy values indicate that electric conduction proceeds through electrons with deformation in the system.

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Section: Introductionmentioning

confidence: 99%

Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂

Modi¹,

Raval²,

Parekh³

et al. 2022

J. Semicond.

View full text Add to dashboard Cite

show abstract

Synthesis of CCTO powder for application in humidity sensor

Cited by 1 publication

References 6 publications

Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂

Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂

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Synthesis of CCTO powder for application in humidity sensor

Cited by 1 publication

References 6 publications

Fe3+-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu3Ti4O12

Fe3+-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu3Ti4O12

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Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂

Fe³⁺-substitution effect on the thermal variation of J–E characteristics and DC resistivity of quadruple perovskite CaCu₃Ti₄O₁₂