期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 60, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.35848/1347-4065/abd69d
关键词
Si nanoscale p-n diode; backgated diode; non-degenerate doping; room temperature; band-to-band tunneling; negative differential transconductance
资金
- Hibah Kolaborasi Riset Internasional from Universitas Indonesia [NKB-1952/UN.R3.1/HKP.05.00/2019]
- MEXT, Japan [19K04529]
- Cooperative Research Project of Research Institute of Electronics, Shizuoka University
- Grants-in-Aid for Scientific Research [19K04529] Funding Source: KAKEN
Non-degenerately doped lateral nanoscale p-n and p-i-n silicon-on-insulator devices have been successfully fabricated and characterized, demonstrating the achievement of negative differential transconductance (NDT) and sharp current increase due to band-to-band tunneling (BTBT) mechanism.
Non-degenerately doped lateral nanoscale p-n and p-i-n silicon-on-insulator devices have been fabricated and characterized at room temperature (297 K). In both types of devices, p-type Si substrate is used as a backgate to modify the potential in the top Si layer in both forward- and reverse-bias regimes. In the forward-bias regime, both types of devices exhibit negative differential transconductance (NDT), with the current peak position and level controlled by the backgate and anode voltage. In the reverse-bias regime, the devices exhibit a sharp current increase as a function of the backgate voltage, which is a signature of the band-to-band tunneling (BTBT) mechanism. These findings suggest that NDT and the sharp increase of current, induced by the contribution of the BTBT mechanism, can be achieved even in non-degenerately doped backgated diodes, which opens new possibilities for BTBT-based functionalities, benefiting from a simple design and CMOS compatibility.
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