A Review of Sharp-Switching Band-Modulation Devices

Area of Science:

• Semiconductor device physics
• Materials science
• Microelectronics engineering

Background:

• Recent advancements in fully-depleted silicon-on-insulator (FD-SOI) and ultrathin-body technologies have enabled novel device concepts.
• The development of gate-controlled electrostatic doping is a key enabler for new device architectures.
• Lateral PIN diodes with additional gates can form reconfigurable PNPN structures.

Purpose of the Study:

• To review the implementation, operation, and applications of band-modulation devices.
• To present physical and compact models for understanding device characteristics.
• To highlight the potential of these devices in various electronic systems.

Main Methods:

• Review of recent literature and technological advancements in semiconductor devices.
• Development and presentation of physical and compact device models.
• Analysis of device characteristics in steady-state and transient modes.

Main Results:

• Band-modulation devices exhibit unrivalled sharp-switching capabilities.
• Models accurately describe output and transfer characteristics.
• Demonstrated potential for quasi-vertical current switching.

Conclusions:

• Band-modulation devices are compatible with modern silicon processing and standard operating conditions.
• These devices offer promising solutions for capacitorless memories, ESD protection, sensing, and reconfigurable circuits.
• The technology enables novel functionalities with high performance and efficiency.