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The aim of this work is to propose a one-dimensional bipolar model of charge generation and extraction in a low density polyethylene (LDPE) under DC voltage including the effect of interfacial states. These surface states are described as an exponential distribution of traps over a 1μm depth region next to the electrodes. The distribution has a finite maximum depth, being decreasing when moving away...
The Pulsed Electro-Acoustic method (PEA) is widely used both in laboratory for fundamental research and in industry for components assessment and diagnosis. However, in most cases, the technique is used without paying enough attention for acoustic losses and dispersive effects, which render the interpretation of the material/product response somewhat uncertain, especially when dealing with relatively...
This paper compares two models describing electroluminescence under AC stress in order to gain a better understanding on the interfacial processes, responsible for light emission. Simulated data is also compared with electroluminescence measurements for LDPE samples using three types of applied voltage waveforms: sinusoidal, triangular and square.
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