Advanced Nanoelectronics

3	Carbon Nanotube Field Effect Transistor Model Mohammad Taghi Ahmadi and Razali Ismail

CONTENTS

3.1      Introduction

3.2      Types of CNTFET

3.2.1    Schottky-Barrier CNTFET

3.2.2    Partially Gated CNTFET

3.2.3    Doped-Sources/Drain CNTFET

3.3      CNTFET Design

3.4      CNTFET Models

3.5      Carrier Transport Model

3.6      Carbon Nanotube Transistor Model

3.6.1    CNT Band Structure

3.6.2    Carrier Statistics in Parabolic Band

3.6.3    Carrier Statistics in Nonparabolic Band Structure

3.6.4    Ballistic Drift Velocity in Parabolic Part

3.6.5    Velocity in Nonparabolic Band Structure

3.6.6    High-Field Distribution

3.6.7    Current–Voltage Characteristics of a CNTFET

3.7      CNTFET

3.8      Summary

Appendix A: Quasi 1D Model