Artigos
URI permanente para esta coleçãohttps://repositorio.fei.edu.br/handle/FEI/798
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Resultados da Pesquisa
- Low temperature influence on the uniaxially strained FD SOI nMOSFETs behavior(2007) de Souza M.; Pavanello M.A.; Martino J.A.; Simoen E.; Claeys C.This work presents the impact of low temperature operation on the characteristics of uniaxially strained fully-depleted SOI nMOSFETs. Devices with channel lengths down to 160 nm were explored in the range 100-380 K. The maximum transconductance in linear region was used to evaluate the mobility enhancement. Besides the increased mobility provided by the strain in comparison to its unstrained SOI counterpart, higher mobility degradation for high values of applied gate voltage was observed. The subthreshold slope and the Drain Induced Barrier Lowering (DIBL) of short-channel devices have been also analyzed, showing that strained devices are more susceptible to the occurrence of short-channel effects. © 2007 Elsevier B.V. All rights reserved.
- In-depth low frequency noise evaluation of substrate rotation and strain engineering in N-type triple gate SOI Finfets(2015) Doria R.T.; De Souza M.A.S.; Martino J.A.; Simoen E.; Claeys C.; Pavanello M.A.© 2015 Elsevier B.V. All rights reserved.This work presents an experimental analysis of the low-frequency noise and the effective trap density of conventional, strained, rotated and strained-rotated SOI n-type FinFETs, respectively, for several fin widths biased at different gate voltages. Additionally, the profile of the effective trap density is presented along the depth of the gate dielectric of the devices. It is shown that strained devices present higher noise than conventional ones, independent on the fin width, which can be explained by poorer interface quality observed in strained devices. On the other hand, the low frequency noise of narrow rotated devices, where the main conduction path changes from top to sidewalls, has shown to reduce as the interface integrity is improved by substrate rotation. All the evaluated devices presented 1/f noise as the dominant noise component up to 1 kHz.