Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2003-10-20
J. Non-Cryst. Solids, v.338-340, p.310 (2004)
Physics
Condensed Matter
Disordered Systems and Neural Networks
7 pages, 3 figures, to appear in J. Non-Cryst. Solids
Scientific paper
10.1016/j.jnoncrysol.2004.02.092
We present measurements of 1/f resistance noise in three different films of amorphous silicon (a-Si) in the presense of a transverse electric current. Two of these films have n-i-n sandwich structure - in one of them all three layers were hydrogenated; in the other one only the n-layers were hydrogenated, while the intrinsic layer was deuterated. The third film had p-i-p structure with all three layers hydrogenated. The experimental spectra were found to be in a very good quantitative agreement with theoretical predictions, which were based on the mechanism involving long-range fluctuations of the Coulomb potential created by charged defects (see cond-mat/0210680).
Bakker J. P. R.
Dijkhuis Jaap I.
Fine Boris V.
van Capel J. S. P.
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