Presentation 2002/1/14
Non-uniform Boron Penetration through Nitrided Oxide in PMOSFETs
Takayuki Aoyama, Hidenobu Fukutome, Kunihiro Suzuki, Hiroko Tashiro, Yoko Tada, Hiroshi Arimoto, Kei Horiuchi, Shigehiko Hasegawa, Hisao Nakashima,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We analyzed the ability of nitrided oxides to suppress boron penetration and found that two-dimensional nitrogen distribution in the film is indispensable to explain the experimental data. Simulating the processes of a non-uniform gate insulator, we obtained good agreement with experimental data. Our analysis showed that boron partially penetrated the weak areas of the interface layer of gate insulator. This was verified experimentally using scanning-tunneling microscopy. In addition, we found that wet-cleaning prior to the formation of the nitrided oxide made the boron penetration non-uniform.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Nitrided oxide / Boron penetration / PMOS / STM
Paper # 2001-SDM-207
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Committee SDM
Conference Date 2002/1/14(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) Non-uniform Boron Penetration through Nitrided Oxide in PMOSFETs
Sub Title (in English)
Keyword(1) Nitrided oxide
Keyword(2) Boron penetration
Keyword(3) PMOS
Keyword(4) STM
1st Author's Name Takayuki Aoyama
1st Author's Affiliation FUJITSU LABORATORIES LTD()
2nd Author's Name Hidenobu Fukutome
2nd Author's Affiliation FUJITSU LABORATORIES LTD
3rd Author's Name Kunihiro Suzuki
3rd Author's Affiliation FUJITSU LABORATORIES LTD
4th Author's Name Hiroko Tashiro
4th Author's Affiliation FUJITSU LABORATORIES LTD
5th Author's Name Yoko Tada
5th Author's Affiliation FUJITSU LABORATORIES LTD
6th Author's Name Hiroshi Arimoto
6th Author's Affiliation FUJITSU LABORATORIES LTD
7th Author's Name Kei Horiuchi
7th Author's Affiliation FUJITSU LABORATORIES LTD
8th Author's Name Shigehiko Hasegawa
8th Author's Affiliation The Institute of Scientific and Industrial Research, Osaka University
9th Author's Name Hisao Nakashima
9th Author's Affiliation The Institute of Scientific and Industrial Research, Osaka University
Date 2002/1/14
Paper # 2001-SDM-207
Volume (vol) vol.101
Number (no) 571
Page pp.pp.-
#Pages 6
Date of Issue