Computational study of Fermi kinetics transport applied to large-signal RF device simulations

Miller, Nicholas C.; Grupen, Matt; Beckwith, Kris; Smithe, David; Albrecht, John D.

doi:10.1007/s10825-018-1242-5

Computational study of Fermi kinetics transport applied to large-signal RF device simulations

Journal Article · Sat Sep 08 04:00:00 EDT 2018 · Journal of Computational Electronics

DOI:https://doi.org/10.1007/s10825-018-1242-5· OSTI ID:1472250

^[1]; Grupen, Matt ^[2]; Beckwith, Kris ^[3]; Smithe, David ^[4]; Albrecht, John D. ^[5]

Michigan State Univ., East Lansing, MI (United States). Dept. of Electrical and Computer Engineering; Air Force Research Lab. (AFRL), Wright-Patterson AFB, OH (United States). Sensors Directorate
Air Force Research Lab. (AFRL), Wright-Patterson AFB, OH (United States). Sensors Directorate
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Tech-X Corp., Boulder, CO (United States)
Michigan State Univ., East Lansing, MI (United States). Dept. of Electrical and Computer Engineering

Here, a detailed description and analysis of the Fermi kinetics transport (FKT) equations for simulating charge transport in semiconductor devices is presented. The fully coupled nonlinear discrete FKT equations are elaborated, as well as solution methods and work-flow for the simulation of RF electronic devices under large-signal conditions. The importance of full-wave electromagnetics is discussed in the context of high-speed device simulation, and the meshing requirements to integrate the full-wave solver with the transport equations are given in detail. The method includes full semiconductor band structure effects to capture the scattering details for the Boltzmann transport equation. The method is applied to high-speed gallium nitride devices. Finally, numerical convergence and stability examples provide insight into the mesh convergence behavior of the deterministic solver.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); US Air Force Office of Scientific Research (AFOSR)

Grant/Contract Number:: AC04-94AL85000; NA0003525

OSTI ID:: 1472250

Report Number(s):: SAND--2018-9525J; 667464

Journal Information:: Journal of Computational Electronics, Journal Name: Journal of Computational Electronics Journal Issue: 4 Vol. 17; ISSN 1569-8025

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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