Hydrodynamic analysis of DC and AC hot-carrier transport in semiconductors

V. Gruzhinskis, E. Starikov, P. Shiktorov, L. Reggiani, M. Saraniti, L. Varani

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


The authors present a novel hydrodynamic approach to the study of DC and AC hot-carrier transport in semiconductors. To this end use is made of a total-energy scheme which incorporates simultaneously the kinetic and potential energy associated with different conduction band minima. Furthermore, convective and diffusive contributions are considered by including the variance of velocity-velocity and velocity-energy fluctuations. Together with static characteristics, a small-signal analysis under spatially homogeneous conditions of the most important response functions of the electron system (e.g. differential mobility, diffusivity, velocity-noise spectrum, etc) is developed consistently. The validation of the present approach is supported by an excellent comparison with Monte Carlo results carried out for the case of n-Si at 300 K.

Original languageEnglish (US)
Article number016
Pages (from-to)1283-1290
Number of pages8
JournalSemiconductor Science and Technology
Issue number7
StatePublished - Dec 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry


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