Relative permittivity of dielectrics from scaling relation of capacitance

R, Gokul Raj; Krishnamurthy, C. V.

doi:10.1016/j.measurement.2019.107174

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Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects

Macchi,

Procópio,

Rocha

et al. 2024

ACS Omega

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CeO2 samples were synthesized via the polymeric precursor method at different calcination temperatures. Electric properties were investigated using positron annihilation lifetime spectroscopy, electron paramagnetic resonance spectroscopy, and complex impedance spectroscopy. Reduction in the specific surface area of the particles with increasing calcination temperature along with morphological changes were observed. PALS depicted doubly ionized oxygen vacancies surrounded by two Ce3+ atoms, while the EPR spectroscopy showed a singly ionized oxygen vacancy surrounded by Ce3+ and Ce4+ ions. Impedance measurements unraveled the presence of polarons, while thermal treatments led to a lower electrical conductance, as the calcination temperature increased.

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Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects

Macchi,

Procópio,

Rocha

et al. 2024

ACS Omega

View full text Add to dashboard Cite

show abstract

Estimation of inter-conductor stray capacitance for HVDC transmission line of negative neutral beam injector

Vishnudev

Parmar

Shishangiya

et al. 2021

Seventh International Symposium on Negative Ions, Beams and Sources (Nibs 2020)

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Relative permittivity of dielectrics from scaling relation of capacitance

Cited by 2 publications

References 14 publications

Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects

Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects

Estimation of inter-conductor stray capacitance for HVDC transmission line of negative neutral beam injector

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Relative permittivity of dielectrics from scaling relation of capacitance

Cited by 2 publications

References 14 publications

Electric Properties Change during Morphological Evolution of CeO2 Nanostructures: Synergy between Bulk and Surface Defects

Electric Properties Change during Morphological Evolution of CeO2 Nanostructures: Synergy between Bulk and Surface Defects

Estimation of inter-conductor stray capacitance for HVDC transmission line of negative neutral beam injector

Contact Info

Product

Resources

About

Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects

Electric Properties Change during Morphological Evolution of CeO₂ Nanostructures: Synergy between Bulk and Surface Defects