Suppression of Heavy Ion Generation in a Vacuum Diode with a Passive Anode; Plasma Physics Reports; Vol. 48, iss. 11

Suppression of Heavy Ion Generation in a Vacuum Diode with a Passive Anode; Plasma Physics Reports; Vol. 48, iss. 11

Detalles Bibliográficos
Parent link:	Plasma Physics Reports Vol. 48, iss. 11.— 2022.— [P. 1244-1250]
Autor Corporativo:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
Outros autores:	Pushkarev A. I. Aleksandr Ivanovich, Zhu Xiaopeng, Egorova Yu. I. Yulia Ivanovna, Prima A. I. Artem Igorevich, Polisadov S. S. Svyatoslav Sergeevich, Lei Ming Kai
Summary:	Title screen The results of the simulation and experimental study of the high-power ion beam generation in an ion diode with a passive anode (accelerating voltage of 250-300 kV, pulse duration of 150 ns, beam energy per pulse of ≈50 J) are presented. The studies were carried out on a diode with a stainless steel anode during operation in the mode of double pulses of different polarities and plasma formation at explosive emission of electrons during the first pulse. It is found that a diode with a metal anode generates nitrogen ions, and the content of heavier ions of the anode material (Fe+) is insignificant. It is shown that the suppression of the heavy ion generation in an ion diode with a passive anode is caused by a higher expansion rate of the light-ion component of the anode plasma. The penetration depth of the electric field into the anode plasma is less than the layer thickness of lighter ions at its emission boundary; therefore, only light ions are emitted from the anode plasma and accelerated in the anode-cathode gap. The suppression of the heavy ion generation in a diode with a passive anode is a positive effect that provides an increase in the ion current when operating in the current limitation mode by the volume charge and a decrease in the density of impurity ions. Режим доступа: по договору с организацией-держателем ресурса
Idioma:	inglés
Publicado:	2022
Subjects:	электронный ресурс труды учёных ТПУ powerful ion beam explosive emission vacuum diode with passive anode suppression of heavy ion generation
Acceso en liña:	https://doi.org/10.1134/S1063780X22700350
Formato:	Electrónico Capítulo de libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669347

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