The Schottky barrier transistor in emerging electronic devices

Area of Science:

• Materials Science and Engineering
• Solid-State Physics
• Electronics Engineering

Background:

• Schottky barrier (SB) transistors are semiconductor devices crucial for modern electronics.
• Understanding SB formation and charge transport mechanisms is fundamental to device physics.
• The role of SBs varies significantly across different electronic applications.

Purpose of the Study:

• To explore the diverse applications of Schottky barrier transistors across various material systems.
• To analyze the impact of SB characteristics on performance in high-performance, ubiquitous, and cryogenic electronics.
• To investigate methods for SB minimization in advanced technologies and advantageous SB utilization in emerging applications.

Main Methods:

• Review of fundamental concepts including Schottky barrier formation and current transport processes.
• Analysis of existing literature and research on SB transistor applications.
• Discussion of modeling approaches for Schottky barrier transistors.

Main Results:

• Schottky barrier minimization is critical for optimizing performance in high-performance computing, particularly in carbon nanotube and 2D electronics.
• Strategic use of Schottky barriers offers advantages in ubiquitous electronics, including sensors, neuromorphic hardware, and security applications using source-gated and reconfigurable FETs.
• Schottky barriers can be beneficial in specialized applications like Josephson junction FETs.

Conclusions:

• Schottky barrier transistors exhibit a dual nature, requiring minimization for some applications and judicious utilization for others.
• The versatility of SB transistors makes them relevant for a wide spectrum of electronic systems, from high-speed computing to specialized sensors.
• Further research into SB engineering can unlock new potentials in advanced electronic device design.