Hot-Electron Noise Features in Silicon Crystals Operating Under Periodic signals

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Abstract

We study the intrinsic noise in n-type Si crystals operating under high-frequency periodic electric fields. To simulate the dy-namics of electrons in the bulk, by taking into account the main details of band structure, scattering processes, as well as heatingeffects, a Monte Carlo approach is used. The noise properties are investigated by computing the velocity fluctuations correlationfunction, its spectral density, and the total noise power for different values of the amplitude and frequency of the driving field. Weshow that the noise features are significantly affected by the electric field amplitude and frequency and discuss their peculiari-ties in comparison with those exhibited in the static field case. We find the integrated spectral density, i. e. the total noise power,monotonically reducing its value with the increase of the field frequency, for each amplitude of the applied field. These results canbe considered a first step towards a full understanding of the physical characteristics of electronic noise in Si devices, driven byperiodic electric fields, relevant, for example, for harmonic generation purposes
Original languageEnglish
Pages (from-to)20-24
Number of pages5
JournalLithuanian Journal of Physics
Volume54
Publication statusPublished - 2014

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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