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

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.