Position-controlled carbon nanotube FETs fabricated by CVD synthesis using patterned metal catalyst

Carbon nanotube (CNT) devices receive much attention from both physical and technological points of view because of the ideal one-dimensional structure, nano-size dimension, and ultra-low power dissipation. In order to realize CNT integrated circuits, it is important to fabricate CNT field-effect transistors (FETs) at designed positions. In this work, we fabricated position-controlled CNT FETs by chemical vapor deposition (CVD) synthesis using metal catalysts patterned on a silicon wafer. Good FET operations have been obtained.