Reduction of Leakage Current at the Gate Edge of SDB SO1 NMOS Transistor

Leakage current through the parasitic channel formed at the sidewall of the SOI active region has been investigated by measuring the subthreshold I-V characteristics. Partially depleted (PD, similar to 2500 Angstrom) and fully depleted (FD, similar to 800 A) SOI NMOS transistors of enhancement mode have been fabricated using the silicon direct bonding (SDB) technology, Isolation processes for the SOI devices were LOGOS, LOGOS with channel stop ion implantation or fully recessed trench (FRT), The electron concentration of the parasitic channel is calculated by the PISCES IIb simulation, As a result, leakage current of the FD mode SOI device with FRT isolation at the front and back gate biases of 0 V was reduced to similar to pA and no hump was seen on the drain current curve.
Publisher
IEEE-Inst Electrical Electronics Engineers Inc
Issue Date
1995-06
Language
ENG
Keywords

MOSFETS

Citation

IEEE ELECTRON DEVICE LETTERS, v.16, no.6, pp.236 - 236

ISSN
0741-3106
URI
http://hdl.handle.net/10203/1660
Appears in Collection
MS-Journal Papers(저널논문)
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