- PII
- 10.31857/S0044451024060038-1
- DOI
- 10.31857/S0044451024060038
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 165 / Issue number 6
- Pages
- 776-783
- Abstract
- The paper presents the results of an experimental and theoretical study of electromechanical self- oscillations in systems consisting of a vacuum diode with a flexible field emission cathode, depending on its elastic properties and ability to deform. Self-oscillation regime experimentally demonstrated for field electron emitters based on carbon nanotubes and diamond microneedles. A mathematical model is developed to describe the electromechanical processes in the self-oscillating systems under consideration. Based on the analysis of the experimental data and simulation results, it is shown that the excitation of self-oscillations in a system with a flexible field emission cathode is determined by a combination of system parameters that result in a negative effective damping coefficient. The potential practical applications of self-oscillations of field emission cathodes in various micro- and nano-electromechanical systems are explored.
- Keywords
- self-oscillations field electron emission microelectromechanical systems carbon nanotubes diamond
- Date of publication
- 15.06.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 108
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