Cryogenic Electron Mobility and Subthreshold Slope of Oxygen-Inserted (OI) Si Channel nMOSFETs

HY Wong, H Takeuchi, RJ Mears - … International Conference on …, 2023 - ieeexplore.ieee.org
Oxygen-inserted (OI) Si channel nMOSFETs, which allow the formation and maintenance of
an undoped epitaxial layer underneath the gate dielectric, are known to provide higher ON …

Oxygen inserted Si-layers in vertical trench power devices

T Feil, R Haase, M Poelzl, M Roesch… - US Patent …, 2020 - Google Patents
Homiller, PLLC (57) ABSTRACT A semiconductor device includes a gate trench extending
into a Si substrate, a body region in the Si substrate adjacent the gate trench, a source …

Source engineering on Oxygen-Inserted Si channel for gate length scaling of low-voltage switch devices

YA Chen, C Hong, S Li, A Raol, R Burton… - 2022 IEEE 34th …, 2022 - ieeexplore.ieee.org
Source engineering for gate length scaling of low-voltage power switch devices was
demonstrated by shrinking baseline 5V analog MOSFETs down to 0.25 um, leading to 100 …

Impact of Punch-through Stop Implants on Channel Doping and Junction Leakage for Ge -FinFET Applications

J Biswas, N Pradhan, D Biswas, S Das… - … on Electron Devices, 2019 - ieeexplore.ieee.org
Fin field-effect transistor (FinFET) scaling beyond the 10-nm node requires formation of a
junction isolation region between the source and the drain to suppress sub-fin leakage …

Reduction of Low Frequency Noise of Buried Channel PMOSFETs With Retrograde Counter Doping Profiles

S Fujii, T Sakamoto, S Morita… - IEEE Journal of the …, 2024 - ieeexplore.ieee.org
The impacts of retrograde counter doping (RCD) profiles on low frequency noise (LFN) of
buried channel (BC) PMOSFETs were investigated. RCD profiles were formed using heavy …

Gate trench device with oxygen inserted si-layers

R Haase, M Poelzl, M Roesch, S Leomant… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A semiconductor device includes a gate trench extending into a Si
substrate, the gate trench including a gate electrode and a gate dielectric separating the …

Oxygen inserted Si-layers for reduced contact implant outdiffusion in vertical power devices

O Blank, T Feil, M Roesch, M Poelzl, R Haase… - US Patent …, 2020 - Google Patents
2018-12-28 Assigned to INFINEON TECHNOLOGIES AUSTRIA AG reassignment
INFINEON TECHNOLOGIES AUSTRIA AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE …

Oxygen inserted Si-layers for reduced substrate dopant outdiffusion in power devices

M Poelzl, R Haase, M Roesch, S Leomant… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A semiconductor device includes a doped Si base substrate, one or more
device epitaxial layers formed over a main surface of the doped Si base substrate, a …

Remote control of doping profile, silicon interface, and gate dielectric reliability via oxygen insertion into silicon channel

H Takeuchi, RJ Mears, M Hytha… - … Meeting for Future of …, 2022 - ieeexplore.ieee.org
Insertion of partial monolayers of oxygen atoms into Si lattice leads to modification of
formation enthalpy of various dopants and point defects, enabling remote control of doping …

Suppressing oxidation-enhanced diffusion of boron in silicon with oxygen-inserted layers

D Connelly, R Burton, NW Cody… - IEEE Journal of the …, 2018 - ieeexplore.ieee.org
Oxygen-Inserted (OI) layers are shown to shield a buried boron profile from oxidation
enhanced diffusion. A TCAD model for the OI layer, including point defect and dopant …