Presentation 1994/11/25
Study of trapped charge distribution in MOS structure SiO_2 film with photo I-V method
Shin-ya Iwasaki, Takeshi Kanashima, Masanori Okuyama, Yoshihiro Hamakawa,
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Abstract(in English) Energy distribution and depth profile of charged trap in MOS structure SiO_2 thin film have been characterized by photo I-V method.Charged traps exist much more in metal gate-SiO_2 interface region than Si-SiO_2 interface.Positively charged traps exist in shallow energy levels in SiO_2 and negatively charged traps exist in deep energy levels.The depth profile of charged traps near Si- SiO_2 interface region shows that polarity of the charge changes at about 60Å from interface with the metal,and positive one are ex tinguished by low temperature annealing.The effect of trapped charge on the optical barrier height has been measured.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) SiO_2 / Charged trap / Photo I-V method / Energy distribution / Depth profile
Paper # SDM94-151
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Conference Information
Committee SDM
Conference Date 1994/11/25(1days)
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Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Study of trapped charge distribution in MOS structure SiO_2 film with photo I-V method
Sub Title (in English)
Keyword(1) SiO_2
Keyword(2) Charged trap
Keyword(3) Photo I-V method
Keyword(4) Energy distribution
Keyword(5) Depth profile
1st Author's Name Shin-ya Iwasaki
1st Author's Affiliation Department of Electrical Engineering,Faculty of Electrical Engineering Science,Osaka University()
2nd Author's Name Takeshi Kanashima
2nd Author's Affiliation Department of Electrical Engineering,Faculty of Electrical Engineering Science,Osaka University
3rd Author's Name Masanori Okuyama
3rd Author's Affiliation Department of Electrical Engineering,Faculty of Electrical Engineering Science,Osaka University
4th Author's Name Yoshihiro Hamakawa
4th Author's Affiliation Department of Electrical Engineering,Faculty of Electrical Engineering Science,Osaka University
Date 1994/11/25
Paper # SDM94-151
Volume (vol) vol.94
Number (no) 367
Page pp.pp.-
#Pages 8
Date of Issue