Presentation 2001/3/5
Effect of Bi Content on Physical Properties of Bi_2SiO_5 Thin Films
Masaki Yamaguchi, Takao Nagatomo, Yoichiro Masuda,
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Abstract(in English) Bismuth silicate (Bi_2SiO_5) thin films were formed on (100)-oriented silicon wafers derived by metal organic decomposition (MOD) method. The effect on the thin film characteristics by the Bi content was examined. The c-axis-oriented Bi_2SiO_5 films were obtained. The average grain size for the film is increased when the Bi content is increased. The leakage current density lowers by the excess Bi content. The leakage current density is on the order of 10^6A/cm^<-2>. From capacitance-voltage characteristics measurement results, it is worth nothing that hysteresis is hardly observed, and the relative dielectric constant of the film was approximately 30. The thickness of lower-dielectric-constant- layer was decreased by excess Bi contents. These results suggest that MOD-Bi_2SiO_5 films expected for application for MFIS slructures.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Bismuth content / Bismuth silicate / metal-organic decomposition method / thin films
Paper # SDM2000-230
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Conference Information
Committee SDM
Conference Date 2001/3/5(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) Effect of Bi Content on Physical Properties of Bi_2SiO_5 Thin Films
Sub Title (in English)
Keyword(1) Bismuth content
Keyword(2) Bismuth silicate
Keyword(3) metal-organic decomposition method
Keyword(4) thin films
1st Author's Name Masaki Yamaguchi
1st Author's Affiliation Department of Electrical Engineering, Shibaura Institute of Technology:Research Organization for Advanced Engineering, Shibaura Institute of Technology()
2nd Author's Name Takao Nagatomo
2nd Author's Affiliation Department of Electrical Engineering, Shibaura Institute of Technology:Research Organization for Advanced Engineering, Shibaura Institute of Technology
3rd Author's Name Yoichiro Masuda
3rd Author's Affiliation Department of Electrical Engineering, Hachinohe Institute of Technology
Date 2001/3/5
Paper # SDM2000-230
Volume (vol) vol.100
Number (no) 652
Page pp.pp.-
#Pages 6
Date of Issue