Roles of gate-oxide thickness reduction in scaling bulk and thin-body tunnel field-effect transistors
Tunnel field-effect transistor (TFET) has recently been considered as a promising candidate for low-power integrated circuits. In this paper, we present an adequate examination on the roles of gate-oxide thickness reduction in scaling bulk and thin-body TFETs. It is shown that the short-channel perf...
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| Những tác giả chính: | , , |
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| Formato: | Journal article |
| Idioma: | English |
| Publicado em: |
2023
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| Assuntos: | |
| Acesso em linha: | https://scholar.dlu.edu.vn/handle/123456789/2076 |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Resumo: | Tunnel field-effect transistor (TFET) has recently been considered as a promising candidate for low-power integrated circuits. In this paper, we present an adequate examination on the roles of gate-oxide thickness reduction in scaling bulk and thin-body TFETs. It is shown that the short-channel performance of TFETs has to be characterized by both the off-current and the subthreshold swing because their physical origins are completely different. The reduction of gate-oxide thickness plays an important role in maintaining low subthreshold swing whereas it shows a less role in suppressing off-state leakage in short-channel TFETs with bulk and thin-body structures. When scaling the gate-oxide thickness, the short-channel effect is suppressed more effectively in thin-body TFETs than in bulk devices. Clearly understanding the roles of scaling gate-oxide thickness is necessary in designing advanced scaled TFET devices. |
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