Accuracy of Y-function methods for parameters extraction of two-dimensional FETs across different technologies
Pacheco-Sanchez, Anibal (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Jiménez, David (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)

Data:	2020
Resum:	The accuracy of contact resistance values of two-dimensional (2D) field-effect transistors extracted with the Y-function considering the impact of the intrinsic mobility degradation is evaluated here. The difference between methodologies that take this factor into account and ignore it is pointed out by a detailed analysis of the approximations of the transport model used for each extraction. In contrast to the oftenly used approach where the intrinsic mobility degradation is neglected, a Y-function-based method considering a more complete transport model yields contact resistance values similar to reference values obtained by other intricate approaches. The latter values are more suitable also to describe experimental data of 2D devices of different technologies. The intrinsic mobility degradation factor of 2D transistors is experimentally characterised for the first time and its impact on the device performance is described and evaluated.
Ajuts:	European Commission 785219 European Commission 881603 Agencia Estatal de Investigación RTI2018-097876-B-C21
Nota:	Altres ajuts:Reference of the GraphCAT project 001-P-001702
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Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Publicat a:	Electronics letters, Vol. 56, Issue 18 (September 2020) , p. 942-945, ISSN 1350-911X

DOI: 10.1049/el.2020.1502

Postprint 4 p, 326.6 KB

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