Tripathy, Ashis and Sharma, Priyaranjan and Abu Osman, Noor Azuan (2024) Synthesis, fabrication and characterization of CaMgFexTiyO12-based electro-ceramics sensor. Journal of Materials Science-Materials in Electronics, 35 (7). p. 492. ISSN 0957-4522, DOI https://doi.org/10.1007/s10854-024-12100-x.
Full text not available from this repository.Abstract
The present study aims to fabricate a novel multiphase ceramic-nanocomposite having giant dielectric constant and minimum dielectric loss. Under a high palletization pressure along with novel step-sintering has played a vital role to improve the porosity, reduce the density and grain-boundary resistance leading to enhanced dielectric characteristics. The formation of different phases in developed nanocomposite is evaluated by XRD analysis. Frequency-dependent impedance spectroscopy of developed electro-ceramic reveals the better impedance, electrical modulus, dielectric permittivity (epsilon'), loss-tangent (tan delta), and water physisorption capacity compared to unsintered compound and other existing ceramic compounds. The developed sensor exhibits high sensitivity up to 0.27 M Omega/Delta% RH, fast response (19.37 s) and recovery time (39.17 s) as well as low hysteresis of similar to 3.31% (for the impedance) and similar to 3.29% (for capacitive) at 100 Hz. Therefore, the developed nano-electronic ceramic seems to be a very promising material for manufacturing high-efficiency humidity sensors.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | Dielectric-Properties; CACU3TI4O12; Permittivity; Spectroscopy; Impedance; Constant; Modulus |
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Engineering > Biomedical Engineering Department |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 28 Oct 2024 02:29 |
| Last Modified: | 28 Oct 2024 02:29 |
| URI: | http://eprints.um.edu.my/id/eprint/45532 |
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