Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Guobao Feng"'
Publikováno v:
AIP Advances, Vol 12, Iss 11, Pp 115129-115129-13 (2022)
High-power microwave-induced low-pressure discharges seriously threaten the reliability of space payload systems. Under extremely low-pressure conditions, the evolution of ionized and secondary electrons at the initial stage of discharge is crucial t
Externí odkaz:
https://doaj.org/article/c2da85ffecdb41118540996ded8e9018
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025332-025332-9 (2021)
It is known that an appropriate surface structure can suppress the secondary electron emission as a result of the receded multipactor in a spacecraft microwave component. On the other hand, the multiplier effect caused by electron re-entrance in ordi
Externí odkaz:
https://doaj.org/article/e956607491564370ac0a3db7978ec162
Publikováno v:
Nanomaterials, Vol 11, Iss 12, p 3282 (2021)
With the development of industrial civilization, advanced manufacturing technology has attracted widespread concern, including in the aerospace industry. In this paper, we report the applications of ultra-thin atomic layer deposition nanofilm in the
Externí odkaz:
https://doaj.org/article/f4251b5f1c94457091075a568859e1b0
Gas Desorption and Secondary Electron Emission from Graphene Coated Copper Due to E-Beam Stimulation
Publikováno v:
Coatings
Volume 13
Issue 2
Pages: 370
Volume 13
Issue 2
Pages: 370
The gas desorption and secondary electron multiplication induced by electron bombardment tend to induce severe low-pressure discharge effects in space microwave device cavities. Nevertheless, few studies have focused on both secondary electron emissi
Autor:
Lin Zhang, Hongliang Du, Qingyuan Hu, Guobao Feng, Ruiyi Jing, Denis Alikin, Yunyao Huang, S. S. Islam, Leiyang Zhang, Li Jin, V. Ya. Shur, Xiaoyong Wei
Publikováno v:
Ceramics International. 47:6298-6309
In this study, we synthesized [Cax(Bi0.5Na0.5)1−x](Ti085Zr0.15)O3 (Ca-substituted BNTZ) ferroelectric ceramics with x = 0–0.15 using a solid-state reaction technique. The structural evolution of Ca-substituted BNTZ was revealed by X-ray diffracti
Publikováno v:
IEEE Transactions on Plasma Science. 47:3783-3789
Charging effects of dielectric due to space electron beam irradiation have a huge impact on spacecraft. To understand charging equilibrium characteristics of dielectric under electron beam irradiation, in this paper, we present a novel numerical simu
Publikováno v:
IEEE Transactions on Plasma Science. 46:2753-2760
Dielectric antenna with a smaller size and numerous advantage is hardly applied in spacecraft due to complicated charging effects under electrons irradiation in space. And it is also difficult for researchers to obtain radiation properties of dielect
Publikováno v:
Physics of Plasmas. 28:053301
PTFE (Polytetrafluoroethylene) with a low dielectric constant and less microwave loss is widely applied in dielectric microstrip antenna and has a significant prospect on low-cost miniaturization satellite cluster. In contrast, the surface dischargin
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025332-025332-9 (2021)
It is known that an appropriate surface structure can suppress the secondary electron emission as a result of the receded multipactor in a spacecraft microwave component. On the other hand, the multiplier effect caused by electron re-entrance in ordi
Publikováno v:
Micron. 90:64-70
This study investigates the mechanism of electron redistribution and multiplication for a SiO2 sample with a buried structure in scanning electron microscopy by numerical simulation. The simulation involved electron scattering and internal charge tra