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Influence of trench...
Influence of trenching effect on the characteristics of buried-gate SiC junction field-effect transistors
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Koo, S. -M (författare)
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Lee, S. -K (författare)
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- Zetterling, Carl-Mikael (författare)
- KTH,Integrerade komponenter och kretsar
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- Östling, Mikael (författare)
- KTH,Integrerade komponenter och kretsar
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Forsberg, U. (författare)
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Janzen, E. (författare)
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(creator_code:org_t)
- Trans Tech Publications Inc. 2002
- 2002
- Engelska.
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Ingår i: Materials Science Forum. - : Trans Tech Publications Inc.. - 0255-5476 .- 1662-9752. ; 389-393:2, s. 1235-1238
- Relaterad länk:
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http://www.scopus.co...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Two different structures of junction field-effect transistors in 4H-SiC, with and without trenching effect in the channel region, have been fabricated and characterized. The devices formed with metal mask show a trenching profile (>∌0.2 Όm) after dry etch in the channel groove region and exhibited static induction transistor (SIT)-like characteristics in the sub-threshold region of I-V curves as the channel thickness decreases. The devices without trenching effect have been processed by using a wet-etched oxide mask resulting in a sloped dry-etch profile (Ξ=∌30°) in the channel, and consequently showed well-saturated drain characteristics for all the channel thicknesses. The conduction mechanisms in these JFETs are examined by the potential profiles from two dimensional numerical simulations.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Dry Etching
- JFETs
- SiC
- Trenching Effect
- Trenching effects
- Computer simulation
- Electric conductivity
- Etching
- Numerical analysis
- Semiconductor junctions
- Silicon carbide
- Field effect transistors
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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