Breakthrough in Nanotechnology: GaN-TF-FinFET Shows Significant Improvements

Researchers from Jaypee Institute of Information Technology have made a groundbreaking discovery in the field of nanotechnology, demonstrating the potential of Gallium Nitride Truncated Fin FinFETs (GaN-TF-FinFET) for next-generation high-frequency applications. According to a recent study published in the IEEE Open Journal of Nanotechnology, the GaN-TF-FinFET showed significant improvements in device efficiency and signal integrity, outperforming conventional FinFETs, TF-FinFETs, and silicon-on-insulator (SOI) TF-FinFETs in analog and RF applications.

Key Takeaways:

  • The GaN-TF-FinFET demonstrated a 60% increase in drain current, leading to improved transconductance and switching speed.
  • The subthreshold slope was reduced to 34 mV/decade, representing a 93.74% improvement compared to the C-FinFET.
  • The GaN-TF-FinFET exhibited the lowest DIBL and the highest electron mobility among the compared devices.
  • Parameters such as stray capacitance, cutoff frequency, maximum frequency, gain-frequency product, time-frequency power, and gain-time frequency power were superior in GaN-TF-FinFET, highlighting its high-frequency performance.
  • The research concluded that GaN-TF-FinFET is a promising device for next-generation high-frequency applications.
  • Praween Kumar Srivastava, Atul Kumar, and Ajay Kumar are the authors of the study, which was conducted at Jaypee Institute of Information Technology, Noida, India.

Statistics:

  • 60% increase in drain current
  • 93.74% improvement in subthreshold slope
  • 34 mV/decade reduction in subthreshold slope
  • 460% increase in gain-frequency product (GFP) compared to C-FinFET
  • 130% increase in time-frequency power (TFP) compared to C-FinFET
  • 650% increase in gain-time frequency power (GTFP) compared to C-FinFET

Sources:

  • Comprehensive Investigation of Truncated Fin GaN FinFET for Improved Analog/RF Performance. IEEE Open Journal of Nanotechnology, 2025, 6():123-130
  • DOI: 10.1109/OJNANO.2025.3616955
  • IEEE Open Journal of Nanotechnology
  • Jaypee Institute of Information Technology
  • NewsRx. Studies from Jaypee Institute of Information Technology Add New Findings in the Area of Nanotechnology (Comprehensive Investigation of Truncated Fin GaN FinFET for Improved Analog/RF Performance). Nanotechnology Weekly. November 3, 2025; p 2138.