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Enhancement‐Mode Field‐Effect Transistors and High‐Speed Integrated Circuits Based on Aligned Carbon Nanotube Films by Yanxia Lin; Shibo Liang; Lin Xu; Lijun Liu; Qianlan Hu; Chenwei Fan; Yifan Liu; Jie Han; Zhiyong Zhang; Lian‐Mao Peng is a Engineering article available to read on EtoBox.
What is Enhancement‐Mode Field‐Effect Transistors and High‐Speed Integrated Circuits Based on Aligned Carbon Nanotube Films about?
## Aligned carbon nanotube ( A-CNT) films are expected to be an ideal channel material for constructing field-effect transistors (FETs) that outperform conventional transistors, and multiple methods are developed to fabricate A-CNT films with high semiconducting purity, good alignment, and high density. However, the reported A-CNTs-based FETs are almost all depletionmode FETs and suffer from poor subthreshold swing (SS). In this study, enhancement-mode (E-mode) FETs based on A-CNT films are fabricated by systematically optimizing the channel material and CNT/high-k/metal gate stack. The carrier mobility in top-gate A-CNT FETs reaches a maximum value of 1850 cm 2 V -1 s -1 , which is near that of chemical-vapor deposition grown individual CNTs and sets a record among A-CNT films. The fabricated 200 nm-gate length p-type A-CNT FETs present a SS of 73 mV dec -1 , the transconductance of 1 mS μm -1 , and an on-current of 1.18 mA μm -1 at a bias of -1 V, indicating a real performance exceeding that of commercial Si-based transistors at a similar gate length. Based on the high-performance and uniform E-mode FETs, ring oscillators with stage numbers 5, 7, 9, and 11 are fabricated with an
Who reads Enhancement‐Mode Field‐Effect Transistors and High‐Speed Integrated Circuits Based on Aligned Carbon Nanotube Films?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Yanxia Lin; Shibo Liang; Lin Xu; Lijun Liu; Qianlan Hu; Chenwei Fan; Yifan Liu; Jie Han; Zhiyong Zhang; Lian‐Mao Peng
- Publisher
- Wiley
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)