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HomeKeywordsfield emission

Keywords: field emission

Design Optimization of Field Emission from a Stacked Carbon Nanotube Array

Roy Mahapatra D., Sinha N., Melnik R., Yeow J.T.W., University of Waterloo, CA
Field emission (FE) from carbon nanotubes (CNTs) grown on a cathode substrate is difficult to characterize using simple formulae or data fitting, which is due to (1) electron-phonon interaction (2) electromechanical force field leading to [...]

Amorphous Diamond as a Thermionic Material

Sung J.C., Sung M., Kan M-C, Hsiao T-J., Chen Y-T, Sung J.C., Sung M., Kinik Company, TW
Amorphous diamond is essentially a chaotic carbon mixture with distorted sp2 and sp3 bonds. As such it possesses both metallic character of conductive graphite and semiconductor character of insulating diamond. Moreover, as each carbon atom [...]

Amorphous Diamond as a Thermionic Material

Sung J.C., Sung M., Kan M-C, Hsiao T-J., Chen Y-T, Sung J.C., Sung M., Kinik Company, TW
Amorphous diamond is essentially a chaotic carbon mixture with distorted sp2 and sp3 bonds. As such it possesses both metallic character of conductive graphite and semiconductor character of insulating diamond. Moreover, as each carbon atom [...]

Modeling the Field Emission Current Fluctuation in Carbon Nanotube Thin Films

Sinha N., Roy Mahapatra D., Yeow J.T.W., Melnik R., University of Waterloo, CA
Carbon nanotubes (CNTs) are currently among the best field emitters for a variety of technological applications. However, from mathematical viewpoint, approach towards understanding the physics of nanotube based field emission of a thin film is [...]

Carbon Nanotube Cathode on Metal Surface Formed with BGA Balls

Chung M., Chang C-C, Chang Y.Y., Huang B.R., Fu C.S., Chang C-C, Chang Y.Y., Lai S.W., Chiou J.M., Southern Taiwan University of Technology, TW
Carbon nanotube is the primary field emission source in many applications, but there has been limited report on direct growth of CNT on metal surface with CVD method due to technical difficulties. This research propose [...]

Fabrication and Modeling of CNT Field-Emission Devices

Koohsorkhi J., Rouhi N., Abdi Y., Mohajerzadeh S., Robertson M.D., Thompson R.D., Acadia University, CA
We report the fabrication of field-emission devices based on vertically aligned carbon nanotubes that possess a novel gate structure with applications in flat-panel displays, nanolithography systems and new sensor technologies. The devices consist of CNTs [...]

Study of field emission of multiwalled C nanotubes from arc discharge

Bellucci S., Balasubramanian C., Giannini G., Marchetti M., Micciulla F., Regi M., INFN-Laboratori Nazionali di Frascati, IT
Carbon nanotubes (CNT) were synthesized by DC thermal plasma method. After optimizing the synthesis parameters like the pressure, current etc., the synthesized products especially the anodic deposit was characterized by electron microscopies like Scanning Electron [...]

Field emission characteristics of carbon nanofibers grown on the electroplated copper micro-tips

Sung W-Y, Kim W-J, Kim Y.H., Lee H.Y., Lee S.M., Yoo H-S, Lee H.Y., Lee S.M., Joo S-K, Kim W-J, Kim Y.H., Seoul National University, KR
Carbon nanofibers (CNFs) were synthesized on micro-copper tips by using direct current plasma enhanced chemical vapor deposition of C2H2 and NH3 gas at 480℃. The copper micro-tips were uniformly formed by high current electroplating and [...]

Field Emission of Nanostructured AlQ3 Amorphous Film and the Heat Treatment Effect

Cho C-P, Perng T.P., National Tsing Hua University, TW
There has been a particular interest in tris-(8-hydroxyquinoline) aluminum (AlQ3)-based devices for the development of large-area displays due to the unique properties such as excellent flexibility, high photoconductivity, and nonlinear optical behavior. It is then [...]

Gated Carbon Nanotube Field Emission Enhancement and Regeneration by Hydrogen

Hsu D.S.Y., Shaw J.L., Naval Research Laboratory, US
We have previously demonstrated two different configurations of integrally gated carbon nanotube field emitter arrays (FEAs). CNTs were grown inside microfabricated gate apertures with and without silicon posts. Salient features of these in-situ grown microgated [...]

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