Presentation 2008-07-17
Drain Current Fluctuation in High-κ Dielectric p-MOSFETs : Effects of Single-Hole Capture/Emission by the Traps in High-κ Dielectric
Shigeki KOBAYASHI, Masumi SAITOH, Ken UCHIDA,
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Abstract(in English) Random telegraph noise (RTN) in scaled MOSFETs is one of the biggest concerns in the present and future LSIs. However, RTN in High-κ gate dielectric MOSFET have not been fully studied yet. In this paper, we have studied RTN in High-κ MOSFETs in comparison with that in SiO_2 p-MOSFETs. It is found for the first time that the reduction of RTN amplitude (ΔI_d/I_d) by the surface holes is smaller in High-κ p-MOSFETs, comparing to the SiO_2 p-MOSFETs. It is also found that slower traps in the High-κ gate dielectric more severely degrade I_d. It is considered that some key characteristics are understandable in terms of the higher dielectric constant and the smaller barrier height of the High-κ gate dielectric.
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Keyword(in English) MOSFET / RTN / High-κ
Paper # SDM2008-129,ICD2008-39
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Conference Date 2008/7/10(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Drain Current Fluctuation in High-κ Dielectric p-MOSFETs : Effects of Single-Hole Capture/Emission by the Traps in High-κ Dielectric
Sub Title (in English)
Keyword(1) MOSFET
Keyword(2) RTN
Keyword(3) High-κ
1st Author's Name Shigeki KOBAYASHI
1st Author's Affiliation Corporate Research & Development Center, Toshiba Corporation()
2nd Author's Name Masumi SAITOH
2nd Author's Affiliation Corporate Research & Development Center, Toshiba Corporation
3rd Author's Name Ken UCHIDA
3rd Author's Affiliation Corporate Research & Development Center, Toshiba Corporation
Date 2008-07-17
Paper # SDM2008-129,ICD2008-39
Volume (vol) vol.108
Number (no) 140
Page pp.pp.-
#Pages 4
Date of Issue