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Critical evaluation of scattering models within the full band Monte Carlo simulation framework
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.ORCID iD: 0000-0002-3790-0729
Responsible organisation
2005 (English)In: Recent Advances in Multidisciplinary Applied Physics, 2005, 305-311 p.Conference paper, (Other academic)
Abstract [en]

The full band Monte Carlo (MC) simulation framework is regarded as the most accurate method available to study high-field carrier transport in semiconductors. Its potential has been demonstrated in a large number of studies over the years. In this work we focus on how the quantum mechanical uncertainty at high scattering rates affects the validity Fermi's Golden Rule, which traditionally is the basis for the scattering handling in the MC method. Considering the uncertainty is important in for instance silicon carbide, which at moderate energies exhibits a scattering rate exceeding 1014 s-1. The expression for time-dependent scattering rate is presented together with calculated rates for some initial states with acoustic as well as polar-optical phonon interaction. A first-order time-dependent algorithm for handling of scattering events in MC simulators is proposed.

Place, publisher, year, edition, pages
2005. 305-311 p.
Keyword [en]
Monte Carlo simulation, Fermi's Golden rule, time-dependent scattering rate
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Natural Sciences
Identifiers
URN: urn:nbn:se:miun:diva-2886DOI: 10.1016/B978-008044648-6.50051-3Scopus ID: 2-s2.0-84884828254Local ID: 2540ISBN: 978-008044648-6 (print)OAI: oai:DiVA.org:miun-2886DiVA: diva2:27918
Conference
APHYS 2003
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-10-05Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf