I have performed the temperature dependent dielectric measurements;with proper checking of all electrical connections of electrodes, sensors,heater etc.as well as their proper resistance of electrodes and found the negative dielectric loss in lower frequency range (from 4 to 100 Hz )in dielectric samples. Why the negative dielectric loss is coming I'm still in doubt, therefore need some help to know the possibilities of getting this type of negative dielectric loss.
Negative dielectric loss at lower frequencies, such as the range from 4 to ~100 Hz, can occur due to various factors. One common reason is the presence of impurities or defects in the material, which can lead to polarization processes that contribute to dielectric loss. Additionally, at lower frequencies, the relaxation processes within the material may become more pronounced, leading to increased loss. These phenomena can be influenced by factors such as temperature, pressure, and material composition.
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