Presentation 2006/6/26
Phosphorus Doping to Si Quantum Dots and Its Floating Gate Application(Session 6A Silicon Devices III,AWAD2006)
Katsunori MAKIHARA, Yoshihiro KAWAGUCHI, Mitsuhisa IKEDA, Hideki MURAKAMI, Seiichiro HIGASHI, Seiichi MIYAZAKI,
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Abstract(in English) The charge injection and extraction characteristics of phosphorus doped Si quantum dots as a floating gate in MOS capacitors have been studied at room temperature. Delta doping of phosphorus atoms in Si-QDs was carried out by a pulse injection of 1% PH_3 diluted with He during the Si dot formation. C-V hysteresis attributed to charging and discharging to Si-QDs, being independent on the frequency in the range from 10kHz to 1MHz, is clearly observed regardless of P-doping to Si-QDs. Notice that P-doping to Si-QDs causes negative flat-band voltage shift. Considering the fact that MOS capacitors fabricated without Si-QDs formation show no hysteresis and no flat-band voltage shift in C-V characteristics, it is likely that, for P-doped Si-QDs, the electron emission occurs from the conduction band and results in a positively-charged state originating from ionized P donor.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Si quantum dots / Phosphorous doping / Floating gate / MOS
Paper # ED2006-83,SDM2006-91
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Committee SDM
Conference Date 2006/6/26(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Phosphorus Doping to Si Quantum Dots and Its Floating Gate Application(Session 6A Silicon Devices III,AWAD2006)
Sub Title (in English)
Keyword(1) Si quantum dots
Keyword(2) Phosphorous doping
Keyword(3) Floating gate
Keyword(4) MOS
1st Author's Name Katsunori MAKIHARA
1st Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University()
2nd Author's Name Yoshihiro KAWAGUCHI
2nd Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University
3rd Author's Name Mitsuhisa IKEDA
3rd Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University
4th Author's Name Hideki MURAKAMI
4th Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University
5th Author's Name Seiichiro HIGASHI
5th Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University
6th Author's Name Seiichi MIYAZAKI
6th Author's Affiliation Department of Electrical Engineering, Graduate School of Advanced Sciences of Matter, Hiroshima University
Date 2006/6/26
Paper # ED2006-83,SDM2006-91
Volume (vol) vol.106
Number (no) 138
Page pp.pp.-
#Pages 4
Date of Issue