Автор |
Nicolaescu, D. |
Автор |
Filip, V. |
Дата выпуска |
2000 |
dc.description |
Several novel field emission devices are analyzed in a unitary way. The devices involve the use of field emitter arrays in a special configuration where the emitted electrons are subject to crossed electric and magnetic fields. Due to the acting electric and (magnetic) Lorentz forces, the electrons are either deviated or have a cycloid-like confined motion. The angular deviation of the electron trajectory can be used for measuring magnetic fields. The pulsed electron current produced by a cold cathode can be used to generate electromagnetic radiation. Because the electrons have a confined motion with a long trajectory length, their chance of hitting a residual gas molecule is increased. They can either excite gas molecules, which in turn emit UV-radiation when relaxing back to the stable state, or ionize them, the ionic current being correlated with the gas pressure. Accordingly, devices for generating UV-radiation and vacuum gauges can be devised. Furthermore, if the ion generation takes place in a narrow and well-defined region, then their angular deviation can be correlated with their mass. A mass spectrometer (with miniaturized dimensions and field emission electron source) can be devised on this principle. |
Формат |
application.pdf |
Издатель |
EDP Sciences |
Копирайт |
© EDP Sciences, 2000 |
Название |
Vacuum microelectronics devices based on the controlled electron motion in electric and magnetic fields |
Тип |
research-article |
DOI |
10.1051/epjap:2000117 |
Electronic ISSN |
1286-0050 |
Print ISSN |
1286-0042 |
Журнал |
The European Physical Journal Applied Physics |
Том |
10 |
Первая страница |
33 |
Последняя страница |
42 |
Аффилиация |
Nicolaescu D.; Electrotechnical Laboratory, 1-1-4 Umezono, Tsukuba, Ibaraki 305-8568, Japan |
Аффилиация |
Filip V.; Nagoya Institute of Technology, Department of Environmental Technology Gokiso-cho, Showa-ku, Nagoya 466, Japan |
Выпуск |
1 |