Low-Field Electron Emission from Undoped Nanostructured Diamond
- 20 November 1998
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 282 (5393) , 1471-1473
- https://doi.org/10.1126/science.282.5393.1471
Abstract
Strong and sustained electron emission at low electric fields was observed in undoped, nanostructured diamond. Electron emission of 10 milliamperes per square centimeter was observed at applied fields of 3 to 5 volts per micrometer. These are the lowest fields ever reported for any field-emitting material at technologically useful current densities. The emitter consists of a layer of nanometer-size diamond particulates, which is heat-treated in a hydrogen plasma. These emission characteristics are attributed to the particles' high defect density and the low electron affinity of the diamond surface. Such emitters are technologically useful, because they can be easily and economically fabricated on large substrates.Keywords
This publication has 19 references indexed in Scilit:
- Electron field emission from chemical vapor deposited diamondJournal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 1996
- Low-threshold cold cathodes made of nitrogen-doped chemical-vapour-deposited diamondNature, 1996
- New buried P+-grid polysilicon emitter bipolar power transistorSolid-State Electronics, 1995
- Similarities in the 'cold' electron emission characteristics of diamond coated molybdenum electrodes and polished bulk graphite surfacesJournal of Physics D: Applied Physics, 1993
- Vacuum MicroelectronicsPublished by Elsevier ,1992
- Cold field emission from CVD diamond films observed in emission electron microscopyElectronics Letters, 1991
- Derivation of the image interaction for non-planar pointed emitter geometries: application to field emission I–V characteristicsSurface Science, 1991
- Formation of surface states on the (111) surface of diamondJournal of Vacuum Science and Technology, 1981
- Quantum photoyield of diamond(111)—A stable negative-affinity emitterPhysical Review B, 1979
- Electron emission in intense electric fieldsProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1928