Measurements of termoestimulated currents and isotherms in air and in films of polyvinylidene fluoride (PVF2) / Medidas de correntes termo-estimuladas e isotermas no ar em filmes de polivinilideno de fluor (PVF2).

AUTOR(ES)

Alfredo Jorge

DATA DE PUBLICAÇÃO

1987

RESUMO

A great number of TSC and isotermal decays were carried out in ambient air, aimed to investigate the polarization processes in thin PVF2 foils. The analysis of the results seems to indicate the following: For Alfa-samples, the polarization processes is connected with dipole orientation in the bulk of the material, while, for Betha-samples, these processes are partially due to motion of carriers inside the material. For this case a fitting assuming a first order kinectic process was successful, allowing to derive several parameters.

ASSUNTO(S)

films filmes pvf2 pvf2 termoestimulated current correntes termoestimuladas

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