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TUPSB30 |
X-Ray Source Based on Piezoelectric Lighter | |
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Funding: The work was financially supported by a Program of the Ministry of Education and Science of the Russian Federation for higher education establishments, project No.FZWG-2020-0032 (2019-1569). Deformation of a piezoelectric sample leads to the formation of an electric field between its surface layers. In such a field, charged particles are accelerated. When they interact with target atoms, it becomes possible to generate X-ray radiation with a boundary energy of up to 60 keV. This work demonstrates the possibility of generating X-rays up to energy 14 keV at operating a piezoelectric lighter in a vacuum. This design uses two piezoelectric samples. A high potential of the order of 14 kV is generated at operation of piezoelectric lighter in a vacuum. An additional electron emitter was used for the first time to provide a generation of intense X-ray flux. The prospects for making a miniature controlled piezoelectric generator are discussed. |
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TUPSB31 |
Three-Electrode Pulse Pyroelectric Source of X-Ray Radiation | |
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Funding: The work was financially supported by a Program of the Ministry of Education and Science of the Russian Federation for higher education establishments, project No.FZWG-2020-0032 (2019-1569). The pulsed generation of X-ray radiation was observed for the first time at the operation of a pyroelectric accelerator in vacuum. The pulse pyroelectric source is equipped with an additional electron emitter in the form of a filament. In this work, we propose a three-electrode configuration of the pyroelectric accelerator with an additional grid electrode located between the pyroelectric crystal and the electron emitter. Thus, it becomes possible to control the duration of generation and the magnitude of the X-ray flux in the pulsed pyroelectric source. The prospects for development of the pulse miniature sources are discussed. |
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WEPSC58 |
Controlled Pyroelectric Deflector of Electron Beam | |
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| When two pyroelectric crystals are simultaneously heated in a vacuum, a strong electric field is formed between their oppositely charged surfaces. In such an electric field, it becomes possible to deflect a beam of nonrelativistic electrons with an energy of 30 keV. In this work, we demonstrate the possibility of using a pyroelectric deflector based on a two-crystal scheme for deflecting a relativistic 7 MeV electron beam. The dependences of the strength of the electric field generated in the pyroelectric deflector in vacuum on the temperature of pyroelectric crystals and the residual gas pressure are presented. The results of the experiments allow us to talk about the prospects for development a controlled pyroelectric deflector applicable in accelerator technology. The work was financially supported by a Program of the Ministry of Education and Science of the Russian Federation for higher education establishments, project No.FZWG-2020-0032 (2019-1569). | ||
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