Toward attojoule switching energy in logic transistors

Area of Science:

• Solid State Physics
• Materials Science
• Electrical Engineering

Background:

• The development of semiconductor theory and crystal purification in the mid-20th century led to the invention of the transistor.
• Gordon Moore's postulate predicted exponential growth in integrated circuit component density.
• Transistor scaling has historically driven performance and energy efficiency improvements in electronics.

Purpose of the Study:

• To review the historical trajectory of semiconductor electronics and transistor scaling.
• To discuss the impact of transistor scaling on computing.
• To explore future avenues for continued transistor scaling and enhanced energy efficiency.

Main Methods:

• Historical analysis of semiconductor development.
• Review of Moore's Law and its implications.
• Exploration of emerging technologies for future scaling.

Main Results:

• Transistor scaling has enabled exponential increases in integrated circuit performance and energy efficiency.
• This scaling has fundamentally transformed computing paradigms.
• Current scaling faces challenges but continues at a reduced pace.

Conclusions:

• Continued innovation in materials, structures, and lithography is crucial for future scaling.
• Emerging strategies like 3D integration and novel switching mechanisms offer pathways for further progress.
• Future advancements hold the potential for enhanced transistor scaling and energy efficiency.