Presentation 2000/10/19
Formation of YSZ Ultrathin Film for Gate Insulator by Metallic/Oxide Mode Deposition
Kenji Sasaki, Tatsuhiro Hasu, Kimihiro Sasaki, Tomonobu Hata,
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Abstract(in English) We have been evaluating heteroepitaxial YSZ thin films fabricated by reactive sputtering. We found that relative dielectric constant is 20~25. Then we examined the formation technique of ultrathin film for the next generation's gate insulator. We found that Zr, Si atoms in thin films diffused mutually when YSZ films were deposited at metallic mode / 800℃ conditions. Therefore deposition at lower temperature was carried out, but leakage characteristics could not be improved. Since oxygen deficient in the YSZ thin film was considered to cause this, oxide mode deposition was performed, and the leakage characteristics were significantly improved.
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Keyword(in English) YSZ / gate insulator / metallic mode / oxide mode / diffusion / leakage characteristics
Paper # CPM2000-123
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Committee CPM
Conference Date 2000/10/19(1days)
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Registration To Component Parts and Materials (CPM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Formation of YSZ Ultrathin Film for Gate Insulator by Metallic/Oxide Mode Deposition
Sub Title (in English)
Keyword(1) YSZ
Keyword(2) gate insulator
Keyword(3) metallic mode
Keyword(4) oxide mode
Keyword(5) diffusion
Keyword(6) leakage characteristics
1st Author's Name Kenji Sasaki
1st Author's Affiliation Graduate School of Natural Science & Technology Kanazawa University()
2nd Author's Name Tatsuhiro Hasu
2nd Author's Affiliation Graduate School of Natural Science & Technology Kanazawa University
3rd Author's Name Kimihiro Sasaki
3rd Author's Affiliation Graduate School of Natural Science & Technology Kanazawa University
4th Author's Name Tomonobu Hata
4th Author's Affiliation Graduate School of Natural Science & Technology Kanazawa University
Date 2000/10/19
Paper # CPM2000-123
Volume (vol) vol.100
Number (no) 395
Page pp.pp.-
#Pages 6
Date of Issue