A model of l/f noise spectrum generation in granular structures

A fluctuating spectrum was calculated and a Lorentzian type spectrum obtained, in a contacting spot between the tapered grain boundaries and l/f type spectrum on the granular structure in low frequency. This is based on the spontaneous temperature fluctuation of the small conducting spots between the grains and thermal conduction in the granular structures. © 1999 Elsevier Science Ltd. All rights reserved.