Internal friction in amorphous polystyrene at low temperature and high frequency ( * )


2014 The existence in polystyrene of an internal-friction peak around 80 K at 50 MHz is reported. This peak displays many similarities with the peak observed in amorphous selenium. It is interpreted in the frame of the same model. We explain our results with thermal activated relaxation processes displaying a constant distribution of barrier heights between… (More)

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