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Low-frequency noise characteristics in ion-implanted GaN/AlGaN/GaN and AlGaN/GaN HEMTs were investigated. The normalized spectral noise density was about 6 dB lower in GaN/AlGaN/GaN HEMTs than in AlGaN/GaN HEMTs. The normalized spectral noise density dependence on the gate length Lg indicates that the main origin of low-frequency noise is at the region under the gate in both devices. The Hooge parameters...
The physics of carrier transport in a sub-90nm strained SOI n-MOSFET with silicon-carbon (SiC) source/drain (S/D) regions is investigated for the first time. Significant improvement in carrier backscattering coefficient rsat and source injection velocity vinj accounts for the large drive current IDsat enhancement in SiC S/D transistors. The improvement in rsat, is attributed to the modulation of conduction...
A novel n-channel strained SOI transistor featuring silicon-carbon (SiC) source/drain (S/D) regions and tensile stress silicon nitride (SiN) liner is demonstrated for the first time. Drive current IDsat enhancement contributed by the dual stressors is found to be additive and a significant increase in IDsat of 55% is observed at a gate length LG of 50 nm. In addition, we report the dependence of...
This paper reports a 0.18 /spl mu/m Ti-salicided p-MOSFET with shallow junctions fabricated by rapid thermal processing (RTP) in an NH/sub 3/ ambient and low energy boron implantation. It is found that the nitrogen atoms induced by the RTP in an NH/sub 3/ ambient diffuse into the substrate in source/drain regions and suppress the diffusion of boron ions. This new process allows the improved short...
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