Presentation 1997/7/24
Characterizations of Ferroelectric Transistors with BaMgF_4 Dielectric
Jong-Son Lyu, Jin-Woo Jung, Kwang-Ho Kim, Bo-Woo Kim, Hying Joun Yoo,
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Abstract(in English) The structure and electrical characteristics of metal-ferroelectric-semiconductor FET (MFSFET) for single transistor memory are presented. The MFSFET comprises of polysilicon islands as source/drain electrodes and BaMgF_4 film as a gate dielectric. The polysilicon source/drain were built-up prior to the film formation to suppress a degradation due to high thermal cycle. From the MFS capacitor, the remnant polarization and coercive field were measured to be about 0.6μC/cm^2 and 100 kV/cm, respectively. The fabricated MFSFETs also showed good hysteretic I-V curves, while the current levels disperse possibly due to film cracking or bad adhesion between the film and the Al electrode.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Polysilicon source/drain / BaMgF_4 / Remanent polarization / Ferroelectric switching
Paper # SDM97-52
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Conference Information
Committee SDM
Conference Date 1997/7/24(1days)
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Registration To Silicon Device and Materials (SDM)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Characterizations of Ferroelectric Transistors with BaMgF_4 Dielectric
Sub Title (in English)
Keyword(1) Polysilicon source/drain
Keyword(2) BaMgF_4
Keyword(3) Remanent polarization
Keyword(4) Ferroelectric switching
1st Author's Name Jong-Son Lyu
1st Author's Affiliation Semiconductor Division, ETRI()
2nd Author's Name Jin-Woo Jung
2nd Author's Affiliation Semiconductor Division, ETRI
3rd Author's Name Kwang-Ho Kim
3rd Author's Affiliation Department of Semiconductor Engineering, Chong-Ju University
4th Author's Name Bo-Woo Kim
4th Author's Affiliation Semiconductor Division, ETRI
5th Author's Name Hying Joun Yoo
5th Author's Affiliation Semiconductor Division, ETRI
Date 1997/7/24
Paper # SDM97-52
Volume (vol) vol.97
Number (no) 195
Page pp.pp.-
#Pages 6
Date of Issue