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T-Channel Field Effect Transistor with Three InputTerminals (Ti-TcFET).

Zeqi Chen1, Jianping Hu1, Hao Ye1

  • 1Faculty of Information Science and Technology, Ningbo University, Ningbo 315211, China.

Micromachines
|January 16, 2020
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Summary
This summary is machine-generated.

A novel T-channel field effect transistor (Ti-TcFET) with three gates is introduced. This new transistor design requires two or three inputs to activate, offering a unique solution for simplified, compact circuits.

Keywords:
T-channelcompact circuit stylenew devicethree-input transistor

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Area of Science:

  • Semiconductor device physics
  • Novel transistor architectures
  • Integrated circuit design

Background:

  • Traditional transistors like CMOS/FinFETs have single input terminals.
  • Complex circuits often require numerous transistors, leading to larger footprints.
  • Efficient gate control is crucial for transistor performance.

Purpose of the Study:

  • To propose and analyze a novel T-channel field effect transistor (Ti-TcFET) with three input terminals.
  • To investigate the unique operational characteristics stemming from its T-shaped channel structure.
  • To demonstrate the potential of Ti-TcFETs for simplifying complex circuits and reducing transistor count.

Main Methods:

  • Fabrication of a novel Ti-TcFET structure with horizontal and vertical channel sections.
  • Utilizing Silvaco TCAD simulations to model and verify device characteristics.
  • Theoretical analysis of current characteristics and comparison with simulation results.

Main Results:

  • The T-shaped channel enhances gate-channel coupling, providing superior control.
  • The top gate exhibits comparable control to the front and back gates.
  • The device operates only when two or three inputs are activated, confirming its unique functionality.
  • Theoretical analysis aligns perfectly with TCAD simulation outcomes.

Conclusions:

  • The proposed Ti-TcFET demonstrates effective gate control and unique multi-input activation.
  • This novel transistor design enables circuit simplification and reduced transistor count compared to conventional devices.
  • Ti-TcFETs offer a promising new direction for future compact and efficient circuit designs.