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Modulation origin of 1/f noise in two-dimensional hopping | | V.Pokrovskii
; A.K.Savchenko
; W.R.Tribe
; E.H.Linfield
; | | Date: |
12 Sep 2001 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Affiliation: | 1,2), A.K.Savchenko , W.R.Tribe , and E.H.Linfield ( University of Exeter, UK; Institute of Radio Engineering and Electronics, Russia; University of Cambridge, UK | | Abstract: | We show that 1/f noise in a two-dimensional electron gas with hopping conduction can be explained by the modulation of conducting paths by fluctuating occupancy of non-conducting states. The noise is sensitive to the structure of the critical hopping network, which is varied by changing electron concentration, sample size and temperature. With increasing temperature, it clearly reveals the crossover between different hopping regimes. | | Source: | arXiv, cond-mat/0109220 | | Services: | Forum | Review | PDF | Favorites | |
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