Thermal Stability of Carbon-Nanotube-Based Field Emission Diodes

Abstract

A field emission diode based on aligned multiwall carbon nanotube (MWNT) arrays was conceptually demonstrated, and its thermal stability from room temperature to 300 °C was investigated. Ideal diode behavior was observed with negligible change of the device parameters with the variation of temperature. The turn-on voltage and reverse leakage current of the MWNT diode can be readily controlled by simply varying the spacing between electrodes. Potential areas of application of the diode have been addressed.