Presentation 1993/7/26
In-situ measurement of light emission in anodic oxidation process of Si
Guixi Zhou, Yoichiro Nakanishi, Yoshinori Hatanaka,
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Abstract(in English) We have evaluated interface-trap density(D_it>)distributions at the Si-SiO_2 interface for ultra-thin(4.2nm-thick)gate-oxide metal- oxide-semiconductor(MOS)diodes by the small signal conductance technique.The conventional quasi-static capacitance-voltage technique cannot be used to such thin-oxide samples because of tunneling currents through the oxide.In the technique,D_it> is detected as the frequency-dependent equivalent parallel conductance,which is separable from frequency-independent background losses due to the oxide leak.The method was applied to characterize the D_it>,generation at the Si-SiO_2 interface of ultra-thin oxide MOS diodes subjected to negative-bias-temperature aging stresses.The D_it>,generation is shown to be strongly affected by stress-bias and temperature,and to have weak oxide- thickness dependence.These results show that thin-oxide MOS structures are mainly degraded by the D_it>,generation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Hot electron / Anodic oxidation / Si / SiO_2 / Light-emission phenomenan / in-situ measurement
Paper # SDM93-66
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Conference Information
Committee SDM
Conference Date 1993/7/26(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) In-situ measurement of light emission in anodic oxidation process of Si
Sub Title (in English)
Keyword(1) Hot electron
Keyword(2) Anodic oxidation
Keyword(3) Si
Keyword(4) SiO_2
Keyword(5) Light-emission phenomenan
Keyword(6) in-situ measurement
1st Author's Name Guixi Zhou
1st Author's Affiliation Research Institute of Electronics,Shizuoka University()
2nd Author's Name Yoichiro Nakanishi
2nd Author's Affiliation Research Institute of Electronics,Shizuoka University
3rd Author's Name Yoshinori Hatanaka
3rd Author's Affiliation Research Institute of Electronics,Shizuoka University
Date 1993/7/26
Paper # SDM93-66
Volume (vol) vol.93
Number (no) 172
Page pp.pp.-
#Pages 6
Date of Issue