Resonant field emission through amorphous diamond thin films (a model study)

A model for field emission through an amorphous diamond thin film with defects is constructed. Theoretical study shows that the emission is enhanced by attractive defects which would make the resonant emission observable for films with thickness of about 10 nm. The emitted current density in typical...

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Bibliographic Details
Published in:Ultramicroscopy 2003-05, Vol.95 (1-4), p.75-80
Main Authors: Li, Z.B., Liu, X.W., Xu, N.S., Deng, S.Z., Chen, Jun, Wu, M.M., Ren, S., Chen, Jian, Zhao, F.L.
Format: Article
Language:English
Subjects:
Amorphous diamond
Amorphous semiconductors, metals, and alloys
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Disordered solids
Electronics
Exact sciences and technology
Field emission
Field emitter and arrays, cold electron emitters
Physical radiation effects, radiation damage
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Structure of solids and liquids
crystallography
Thin film
Vacuum microelectronics
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Summary:A model for field emission through an amorphous diamond thin film with defects is constructed. Theoretical study shows that the emission is enhanced by attractive defects which would make the resonant emission observable for films with thickness of about 10 nm. The emitted current density in typical parameters is calculated as functions of thickness, field strength and defect density. The energy distribution of emitted electrons is attained.
ISSN:0304-3991
1879-2723
DOI:10.1016/S0304-3991(02)00299-1