Calculating and analyzing time delay in zigzag graphene nanoscrolls based complementary metal-oxide-semiconductors

Area of Science:

• Materials Science
• Nanoelectronics
• Semiconductor Physics

Background:

• Graphene nanoscrolls (GNSs) and Zigzag graphene nanoscrolls (ZGNSs) possess unique electrical and optical properties.
• These properties make them promising for nanoelectronics and complementary metal-oxide-semiconductor (CMOS) technology.
• Time delay is a critical challenge in designing CMOS devices utilizing ZGNSs.

Purpose of the Study:

• To investigate the application of ZGNSs in the channel region of metal-oxide-semiconductor field-effect transistors (MOSFETs) within CMOS technology.
• To analytically study the impact of various parameters on reducing time delay in ZGNS-based MOSFETs.
• To demonstrate how ZGNS-based CMOS devices can achieve faster switching and higher operating frequencies in integrated circuits (ICs).

Main Methods:

• Analytical study of ZGNS-based MOSFETs in CMOS technology.
• Focus on the channel area of the transistors.
• Evaluation of geometric parameters influencing time delay.

Main Results:

• ZGNS-based CMOS devices exhibit significant current variations influenced by geometric parameters.
• Chirality number, channel length, and nanoscroll length are key parameters affecting performance.
• These parameters can be precisely engineered to optimize device speed.

Conclusions:

• ZGNSs are effective in reducing time delay in CMOS-based MOSFETs.
• Engineering geometric properties of ZGNSs allows for the design of faster integrated circuits.
• This research highlights the potential of ZGNSs for advancing high-frequency IC applications.