Computer simulation of field emission devices with focusing structure

Yung-Chiang Lan, S. H. Chen, J. H. Tsai, T. L. Lin, Y. Hu, J. T. Lai, C. M. Lin, C. H. Wan, W. C. Wang

研究成果: Conference article同行評審

摘要

Beam focusing is a crucial technique for promoting the resolution of the field-emission displays. Various focusing structures for the Spindt-type field emission device have been proposed and applied on previous works, e.g. coaxial-type focusing, coplanar-type focusing, ridge-type focusing, and mesh-electrode focusing. The diamond-film coating provides another possibility to design new types of field emission devices with inherently smaller beam size. The planar-type and concave-lens-type cathodes are examples. In this study, diamond-film-coated field emitters with different emitting shapes are proposed and simulated by the MAGIC particle-in-cell code. The focusing effect inherent in the emitting shape will be characterized and analyzed. The traditional Spindt-type devices with various focusing structures are also studied for comparisons. The electron trajectories, the spot sizes of beams, and I-V curves are investigated systematically for each device.

原文English
頁數1
期刊IEEE International Conference on Plasma Science
出版狀態Published - 1999 十二月 1
事件The 26th IEEE International Conference on Plasma Science (ICOPS99) - Monterey, CA, USA
持續時間: 1999 六月 201999 六月 24

All Science Journal Classification (ASJC) codes

  • 原子與分子物理與光學
  • 凝聚態物理學
  • 電氣與電子工程

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