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- Article name
- A photocurrent fluctuations spectral density of p-n-junctions with a short base. Part II
- Authors
- Selyakov A. Yu., , ayusel@mail.ru, Orion R&D Association, 46/2, Enthuziastov shosse, Moscow, 111123, Russia
- Keywords
- spectral density / p-n-transition / fluctuation / photo-current / Shottky formula
- Year
- 2009 Issue 6 Pages 137 - 151
- Code EDN
- Code DOI
- Abstract
- On the basis of exact solution of Langevin equation a fluctuations spectral density of photocurrent of reverse-biased p-n-junction with short base for cases ohmic and blocking contact to the base was calculated. It is shown, what similarly to the case of p-n-junction with a long base, in both cases of ohmic and blocking contact to the base, in wide enough frequency range is determined by the formula of Schottky. Thus, for all type of p-n-junction structure on high frequencies noise of photocurrent is determined by stochastic character of scattering processes, and on low frequencies noise of photocurrent is determined by stochastic character of photogeneration and recombination processes.
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