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Critical evaluation...
Critical evaluation of scattering models within the full band Monte Carlo simulation framework
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- Hjelm, Mats (författare)
- KTH,Mittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Mikroelektronik och Informationsteknik, IMIT,Department of Information Technology and Media, Mid-Sweden University, Sweden
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- Nilsson, Hans-Erik (författare)
- Mittuniversitetet,Institutionen för informationsteknologi och medier (-2013)
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- Martinez, A. (författare)
- KTH,Mikroelektronik och Informationsteknik, IMIT
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(creator_code:org_t)
- Elsevier, 2005
- 2005
- Engelska.
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Ingår i: Recent Advances in Multidisciplinary Applied Physics. - : Elsevier. - 9780080446486 ; , s. 305-311
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Monte Carlo simulation
- Fermi's Golden rule
- time-dependent scattering rate
- Electrical engineering, electronics and photonics
- Elektroteknik, elektronik och fotonik
- NATURAL SCIENCES
- NATURVETENSKAP
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