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Article Dans Une Revue Advanced Electronic Materials Année : 2021

Suppression of Hot-Carrier Effects Facilitated by the Multimodal Thin-Film Transistor Architecture

Résumé

Hot-carrier effects are a persistent challenge for Ohmic contact, high carrier mobility thin-film transistors. As semiconductor properties are systematically improved, such phenomena (e.g., the kink effect) are becoming apparent even in materials such as InGaZnO. Few of the past solutions are practical in these low-complexity semiconductor systems. Here, it is shown that contact-controlled devices offer robust performance under extreme biasing conditions due to their distinctive charge injection processes. The recently-developed multimodal transistor (MMT) provides further control still, by separate regulation of current flow and magnitude. Internal electric field distributions in the source and drain regions are studied via technology computer-aided design simulations, and support the formulation of operational guidelines for the MMT's channel control gate for optimal characteristics in saturation. As MMT principles are universal, these findings should inform device design and operation in all high carrier mobility material systems.
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hal-03330283 , version 1 (31-08-2021)

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Eva Bestelink, Olivier de Sagazan, Lea Motte, Radu A. Sporea. Suppression of Hot-Carrier Effects Facilitated by the Multimodal Thin-Film Transistor Architecture. Advanced Electronic Materials, 2021, 7 (9), pp.2100533. ⟨10.1002/aelm.202100533⟩. ⟨hal-03330283⟩
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