Novel multifunctional capacitor-varistor ceramics based on SnO2

Shahraki, Mohammad Maleki; Alipour, Siamak; Mahmoudi, Pezhman; Karimi, Asadollah

doi:10.1016/j.ceramint.2018.08.031

Cited by 13 publications

(1 citation statement)

References 32 publications

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“…Oxide ceramics have indeed been a subject of significant interest and research across the fields of material science and electronic applications for several years because of their excellent mechanical and corrosion resistance, with good physicochemical stability and dielectric properties in optical, electronics, environmental, and biomedical sectors [1][2][3][4][5][6][7]. Moreover, ceramic oxides can withstand the toughest industrial environments with maintained stability.…”

Section: Introductionmentioning

confidence: 99%

Tin Oxide-Titania Based Electronic System: Synthesis, Structural, Microstructural and Dielectric Properties

Sahoo,

Bhuyan,

Das

2023

CTP

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SnO2-TiO2, a composite ceramic electronic element was produced by employing a cost-effective and reliable method known as the solid-state synthesis process. The phase, microstructure, chemical composition, and electrical characteristics across a wide frequency range of 1 kHz-1 MHz were evaluated in detail to comprehend this electronic candidate as a capacitive component. The XRD study revealed a polycrystalline tetragonal structure with a crystallite size of 57.9 nm. The SEM micrograph revealed uniformly distributed grains and the calculated average grain size is 0.199 µm. A hydrophilic porous nature was also ascertained from the SEM micrograph. A high dielectric constant (2623) with low dielectric loss (7.5) resulted at the 1 kHz frequency and 400°C. The enhanced capacitive nature was determined by impedance spectroscopy under an extensive frequency and temperature range. The mechanism and nature of conduction at various temperatures were ascertained from the conductivity analysis. The electric modulus characteristics substantiate the non-Debye relaxation of this composite. Based on the comprehensive results, the synthesized component can have prospective applications as a capacitive component for humidity sensors and other electronic devices.

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