LIGHT-INDUCED-CHANGES OF THE 1/F NOISE IN HYDROGENATED AMORPHOUS-SILICON

被引：15
作者：
FAN, J
KAKALIOS, J
机构：
[1] University of Minnesota, School of Physics and Astronomy, Minneapolis
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.47.10903
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The 1/f-noise power spectra of coplanar current fluctuations in n-type doped hydrogenated amorphous silicon (a-Si:H) are measured before and after light-induced metastable defects (the Staebler-Wronski effect) are created. The noise spectral density for the annealed state is strongly non-Gaussian, with large correlations of the noise power between differing octaves. Upon illumination the noise becomes Gaussian and the correlation coefficients of the noise power decrease, which is consistent with an increase in the disorder at the mobility edge in a-Si:H in the light-soaked state.
引用
收藏
页码：10903 / 10906
页数：4
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