Communication Dans Un Congrès Année : 2022

Study of the Electrical Properties of Thin Silica Layers with a Single Plane of AgNPs Embedded Near the Surface

Résumé

The present work explores the effect of metal inclusions (silver nanoparticles, AgNPs) on the electrical mechanisms (charge injection, trapping and transport) responsible for dielectric charging in thin silica layers. It is shown that the presence of a plane of AgNPs embedded in a thin SiO2 layer modifies the electrical conduction in the structure. When the AgNPs-plane is embedded near the SiO2 surface, the structure behaviour at low electric field is non-ohmic and does not allow calculation of the classical volume conductivity. Instabilities in the behaviour of the structure are observed for high electric fields. They are most likely due to sequences of breakdown/self-healing phenomena that clearly appear for fields higher than 10 8 V/m.

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Dates et versions

hal-03765129 , version 1 (30-08-2022)

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C. Rigoudy, Kremena Makasheva, Christina Villeneuve-Faure, Gilbert Teyssedre, Laurent Boudou. Study of the Electrical Properties of Thin Silica Layers with a Single Plane of AgNPs Embedded Near the Surface. 2022 IEEE 4th International Conference on Dielectrics (ICD), Jul 2022, Palermo, Italy. pp.273-276, ⟨10.1109/ICD53806.2022.9863598⟩. ⟨hal-03765129⟩
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