Field Emission from Lateral Multiwalled Carbon Nanotube Yarn Emitters

Field Emission from Lateral Multiwalled Carbon Nanotube Yarn Emitters

A field emission from a lateral emitter made by a multiwalled carbon nanotube (MWCNT) yarn was investigated. The lateral emitter showed an excellent field emission performance with a low turn-on electric field of 1.13 V/μm at an emission current of 1 μA, high emission current of 0.2 mA at an applied voltage of 700 V, and longtime emission stability for over 20 h without any significant current ...

Self-oscillations of carbon nanotube twist-yarn during field emission

A. M. Prokhorov General Physics Institute, RAS, 38 Vavilov Street, 119991 Moscow, Russia Department of Physics, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia Materials Science and Engineering Department, Cornell University, Ithaca, NY 14850, USA Department of Physics and Mathematics, University of Joensuu, 80101 Joensuu, Finland The Alan G. MacDiarmid NanoTech Institute, Univer...

Electron field emission from transparent multiwalled carbon nanotube sheets for inverted field emission displays

Strong, conducting, transparent carbon nanotube sheets were prepared by solid-state draw from well-ordered, aligned multiwalled carbon nanotube (MWCNT) forests [Zhang et al., 2005] [1]. Study of electron field emission from such transparent MWCNT sheets shows threshold fields of less than 0.5 V/lm with current densities high enough for display applications. Step-like field emission current incr...

Carbon Nanotube and Related Field Emitters

Carbon nanotube yarn strain sensors.

Carbon nanotube (CNT) based sensors are often fabricated by dispersing CNTs into different types of polymer. In this paper, a prototype carbon nanotube (CNT) yarn strain sensor with excellent repeatability and stability for in situ structural health monitoring was developed. The CNT yarn was spun directly from CNT arrays, and its electrical resistance increased linearly with tensile strain, mak...