Electrical Extractions of One Dimensional Doping Profile and Effective Mobility for Metal--Oxide--Semiconductor Field-Effect Transistors
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概要
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In this study, an attempt is made to provide a framework to assess and improve metal--oxide--semiconductor field-effect transistor (MOSFET) reliability from the early stage of the design to the completion of the product. A small gate area has very small capacitances that are difficult to measure, making capacitance--voltage ($C$--$V$) based techniques difficult or impossible. In view of these experimental difficulties, we tried electrical doping profiling measurement for MOSFET with short gate length, ultra thin oxide thickness and asymmetric source/drain structure and checked the agreement with simulation result. We could get the effective mobility by simple drain current versus drain bias voltage measurement. The calculated effective mobility was smaller than expected value and we explained some reasons. An accurate effective mobility for asymmetric source--drain junction transistor was successfully extracted by using the split $C$--$V$ technique, with the capacitance measured between the gate and source--drain and between the gate and the substrate.
- 2011-01-25
著者
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Lee Kong-Soo
Samsung Electronics Co., Ltd., Yongin, Kyounggi-do 446-711, Korea
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Park Hyunho
Samsung Electronics Co., Ltd., Hwasung, Kyounggi-do 446-711, Korea
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Baek Dohuyn
Samsung Electronics Co., Ltd., Hwasung, Kyounggi-do 446-711, Korea
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Kang Juseong
Samsung Electronics Co., Ltd., Hwasung, Kyounggi-do 446-711, Korea
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So Byungse
Samsung Electronics Co., Ltd., Hwasung, Kyounggi-do 446-711, Korea
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Kwon Seok
School of Information and Communication Engineering, Sungkyunkwan University, Suwon 440-746, Korea
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Choi Byoungdeok
School of Information and Communication Engineering, Sungkyunkwan University, Suwon 440-746, Korea
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Lee Kong-soo
Samsung Electronics Co., Ltd., Hwasung, Kyounggi-do 446-711, Korea
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- Electrical Extractions of One Dimensional Doping Profile and Effective Mobility for Metal--Oxide--Semiconductor Field-Effect Transistors
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