Presentation 1998/7/24
A Work Function Control Method of WSix Gate Electrode with Impurity Ion Implantation
hiroshi Komatsu, Yoshihiro Miyazawa,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) A method for controlling work function has been investigated using doped Tungsten Silicide(WSix)as a gate material. Impurity was doped into the WSix gate with ion implantation and the work function of WSix was observed to be well controlled in the range of about +-0.3V around the Si mid-gap with the ion dose up to 5e15cm-2.This technology makes it possible to control MOS transistor Vth without channel impurity dose adjustment.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) gate electrode / work function / WSix / impurity / Vth
Paper # SDM98-96,ICD98-95
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Conference Information
Committee SDM
Conference Date 1998/7/24(1days)
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Registration To Silicon Device and Materials (SDM)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Work Function Control Method of WSix Gate Electrode with Impurity Ion Implantation
Sub Title (in English)
Keyword(1) gate electrode
Keyword(2) work function
Keyword(3) WSix
Keyword(4) impurity
Keyword(5) Vth
1st Author's Name hiroshi Komatsu
1st Author's Affiliation ULSI R&D Labs., Semiconductor Co., Sony Corp.()
2nd Author's Name Yoshihiro Miyazawa
2nd Author's Affiliation ULSI R&D Labs., Semiconductor Co., Sony Corp.
Date 1998/7/24
Paper # SDM98-96,ICD98-95
Volume (vol) vol.98
Number (no) 194
Page pp.pp.-
#Pages 6
Date of Issue