Current crowding mediated large contact noise in graphene field-effect transistors

The performance of graphene field effect transistors is adversely affected by fluctuations in the electrical resistance at the graphene/metal interface. Here, the authors unveil the microscopic origin of such contact noise, highlighting the role of current crowding.

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Autores principales: Paritosh Karnatak, T. Phanindra Sai, Srijit Goswami, Subhamoy Ghatak, Sanjeev Kaushal, Arindam Ghosh
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Acceso en línea:https://doaj.org/article/95d32f108b3849d1910209b6e411b939
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Sumario:The performance of graphene field effect transistors is adversely affected by fluctuations in the electrical resistance at the graphene/metal interface. Here, the authors unveil the microscopic origin of such contact noise, highlighting the role of current crowding.