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Published in: Optical and Quantum Electronics 1/2024

01-01-2024

Superior peak-to-valley current ratio in Esaki diode by utilizing a quantum well

Authors: Ramin Nouri Bayat, Abdollah Abbasi, Ali Asghar Orouji

Published in: Optical and Quantum Electronics | Issue 1/2024

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Abstract

We propose a novel structure for the Esaki tunnel diode that utilizes a quantum well in order to increase the peak-to-valley current ratio. The quantum well is formed by sandwiching a thin layer of GaP between the Si and Ge layers, which creates a potential barrier for carriers. The quantum well enhances the tunneling probability of carriers, resulting in a higher peak current while the valley current remains low; which in total results in a superior peak-to-valley current ratio. We achieve a peak-to-valley current ratio significantly higher than those of conventional heterojunction structures, almost 3.8 fold of them. We use ATLAS TCAD for simulations, which can accurately calculate band-to-band tunneling current.

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Literature
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Metadata
Title
Superior peak-to-valley current ratio in Esaki diode by utilizing a quantum well
Authors
Ramin Nouri Bayat
Abdollah Abbasi
Ali Asghar Orouji
Publication date
01-01-2024
Publisher
Springer US
Published in
Optical and Quantum Electronics / Issue 1/2024
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-023-05632-9

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