An extended low-frequency noise compact model for single-layer graphene FETs including correlated mobility fluctuations effect
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911309574963200 |
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| author | Mavredakis, Nikolaos Pacheco-Sanchez, Anibal Jimenez, David |
| author_facet | Mavredakis, Nikolaos Pacheco-Sanchez, Anibal Jimenez, David |
| contents | Correlated mobility fluctuations are considered in the physics-based carrier number fluctuation deltaN low-frequency noise (LFN) compact model of single-layer graphene field effect transistors (GFET) in the present study. Trapped charge density and Coulomb scattering coefficient deltaN LFN parameters are obtained after applying a parameter extraction methodology, adapted from conventional silicon technologies, to the linear ambipolar regions of GFETs. Appropriate adjustments are considered in the method according to GFETs physical characteristics. Afterwards, Hooge mobility as well as series resistance fluctuations LFN parameters can be extracted. The updated LFN model is validated with experimental data from various long and short-channel GFETs at an extended range of gate and drain bias conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_08388 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An extended low-frequency noise compact model for single-layer graphene FETs including correlated mobility fluctuations effect Mavredakis, Nikolaos Pacheco-Sanchez, Anibal Jimenez, David Mesoscale and Nanoscale Physics Applied Physics Correlated mobility fluctuations are considered in the physics-based carrier number fluctuation deltaN low-frequency noise (LFN) compact model of single-layer graphene field effect transistors (GFET) in the present study. Trapped charge density and Coulomb scattering coefficient deltaN LFN parameters are obtained after applying a parameter extraction methodology, adapted from conventional silicon technologies, to the linear ambipolar regions of GFETs. Appropriate adjustments are considered in the method according to GFETs physical characteristics. Afterwards, Hooge mobility as well as series resistance fluctuations LFN parameters can be extracted. The updated LFN model is validated with experimental data from various long and short-channel GFETs at an extended range of gate and drain bias conditions. |
| title | An extended low-frequency noise compact model for single-layer graphene FETs including correlated mobility fluctuations effect |
| topic | Mesoscale and Nanoscale Physics Applied Physics |
| url | https://arxiv.org/abs/2512.08388 |