Low-temperature furnace-grown reoxidized nitrided oxide gate dielectrics as a barrier to boron penetration

Reoxidized nitrided oxide (ROXNOX) gate dielectrics can be used to block the diffusion of boron into the MOS channel region. However, fixed oxide charge annealing can mask the effects of boron in the channel, a particularly important consideration for low-temperature gate oxides. The authors separat...

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Veröffentlicht in:IEEE electron device letters 1992-04, Vol.13 (4), p.217-219
Hauptverfasser: Fang, H., Krisch, K.S., Gross, B.J., Sodini, C.G., Chung, J., Antoniadis, D.A.
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container_end_page 219
container_issue 4
container_start_page 217
container_title IEEE electron device letters
container_volume 13
creator Fang, H.
Krisch, K.S.
Gross, B.J.
Sodini, C.G.
Chung, J.
Antoniadis, D.A.
description Reoxidized nitrided oxide (ROXNOX) gate dielectrics can be used to block the diffusion of boron into the MOS channel region. However, fixed oxide charge annealing can mask the effects of boron in the channel, a particularly important consideration for low-temperature gate oxides. The authors separate the effect of fixed charge annealing from the effect of boron diffusion and demonstrate that a low-temperature furnace-grown reoxidized nitrided oxide has a substantial advantage over conventional gate oxides in protecting the channel from boron over a wide range of annealing times and temperatures. They also address the issue of fixed charge annealing in low-temperature reoxidized nitrided oxides and present an approach to maintain acceptable gate dielectric quality while preserving a low D-t product for integration into a scaled dual-gate CMOS process.< >
doi_str_mv 10.1109/55.145026
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identifier ISSN: 0741-3106
ispartof IEEE electron device letters, 1992-04, Vol.13 (4), p.217-219
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language eng
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source IEEE Electronic Library (IEL)
subjects Annealing
Applied sciences
Boron
CMOS process
Compound structure devices
Dielectrics
Doping
Electric resistance
Electronics
Exact sciences and technology
Implants
MOS devices
Protection
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Temperature distribution
title Low-temperature furnace-grown reoxidized nitrided oxide gate dielectrics as a barrier to boron penetration
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