Results 11 to 20 of about 5,897,692 (241)

Monte Carlo simulation study on secondary electron yield of SiO2

Results in Physics
Electron emission characteristics, mainly the intrinsic secondary electron yield, of an insulator material (glass SiO2) are studied by a Monte Carlo simulation method.
P. Guo, S.F. Mao, Y.B. Zou, T.F. Yang, H. Miao, Z.J. Ding   +5 more
doaj   +2 more sources

Low secondary electron yield engineered surface for electron cloud mitigation [PDF]

, 2014
Secondary electron yield (SEY or δ) limits the performance of a number of devices. Particularly, in high-energy charged particle accelerators, the beam-induced electron multipacting is one of the main sources of electron cloud (e-cloud) build up on the ...
Oleg B. Malyshev, Zolotovskaya, Svetlana A.; id_orcid, Valizadeh, Reza, W. Allan Gillespie, Amin Abdolvand, Malyshev, Oleg B., Reza Valizadeh, Gillespie, W. Allan, Sihui Wang, Wang, Sihui, Svetlana A. Zolotovskaya, Abdolvand, Amin, Zolotovskaya, Svetlana, Abdolvand, Amin; id_orcid, Malyshev, Oleg   +14 more
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The Role of Elastic and Inelastic Electron Reflection in Multipactor Discharges. [PDF]

, 2005
In this brief, it is demonstrated that the inclusion of primary electron elastic and inelastic reflection from the surfaces of vacuum RF electronic systems can result in a multipactor discharge where under current techniques multipactor is predicted not ...
Seviour, Rebecca
core   +4 more sources

The influence of the secondary electrons induced by energetic electrons impacting the Cassini Langmuir probe at Saturn [PDF]

, 2013
The Cassini Langmuir Probe (LP) onboard the Radio and Plasma Wave Science experiment has provided much information about the Saturnian cold plasma environment since the Saturn Orbit Insertion in 2004.
Garnier, Philippe,, Crary, F J, Gurnett, D.A., Coates, Andrew J., Grimald, S.R., Garnier, P., Wahlund, J.-E., Grimald, S Rochel, Thomsen, M F, Lewis, G.R., Thomsen, M.F., Gurnetti, D A, Crary, F.J., Wahlund, Jan-Erik,, Holmberg, M.K.G., Holmberg, Mika,, Dandouras, I., Dandouras, I, Lewis, G R, Coates, A J   +19 more
core   +1 more source

Out of Focus Ultrafast Processing of Metals for Reduced Secondary Electron Yield

, 2023
Data related to the optical materials express publication 'Out of Focus Ultrafast Processing of Metals for Reduced Secondary Electron Yield', including relevant beam images, raw damage threshold and secondary electron yield ...
Uren, Robin, Mechanical and Industrial Engineering   +1 more
core   +1 more source

Surface Characterization and Secondary Electron Emission Properties of Alumina Containing MgO Film on Ag-Mg-Al Alloy

Metals, 2018
Ag-Mg alloy is used as a dynode material in electron multiplier tubes due to the high secondary electron yields (δ) of the surface of MgO film.
Fan Zhou, Quan Zhang, Feifei Wang, Jing Wang, Yunfei Yang, Chen Lai, Wei Liu, Jinshu Wang   +7 more
doaj   +1 more source

Study of multipactor effect with applications to superconductive radiofrequency cavities [PDF]

Nuclear Technology and Radiation Protection, 2017
In this paper a one-dimensional Particle-in-Cell/Monte Carlo collision code has been used in order to study characteristics of multipactors. For multipactor to occur each electron striking the surface must generate more than one secondary on ...
Radmilović-Rađenović Marija D., Beličev Petar D., Rađenović Branislav M.   +2 more
doaj   +1 more source

Laser Processed Oxygen-Free High-Conductivity Copper with Ti and Ti–Zr–V–Hf Films Applied in Neutron Tube

Applied Sciences, 2019
The laser processing method has proven to produce surfaces while ensuring a low secondary electron yield of oxygen-free high-conductivity copper (OFHC) samples, making it attractive for electron cloud mitigation in next-generation particle accelerators ...
Jie Wang, Yong Gao, Zhiming You, Jiakun Fan, Jing Zhang, Shanghui Yang, Shaoqiang Guo, Sheng Wang, Zhanglian Xu   +8 more
doaj   +1 more source

Mitigation of electron cloud effects in the FCC-ee collider

EPJ Techniques and Instrumentation, 2022
Electron clouds forming inside the beam vacuum chamber due to photoemission and secondary emission may limit the accelerator performance. Specifically, the electron clouds can blow up the vertical emittance of a positron beam, through a head-tail-type ...
Fatih Yaman, Giovanni Iadarola, Roberto Kersevan, Salim Ogur, Kazuhito Ohmi, Frank Zimmermann, Mikhail Zobov   +6 more
doaj   +1 more source

Laser Induced Nano and Micro Structures of Molybdenum Surface Applied in Multistage Depressed Collector for Secondary Electron Suppression

Applied Sciences, 2019
The laser processing molybdenum metal surface method was first proposed to enhance the efficiency of multistage depressed collectors (MDCs). In this study, the secondary electron yield (SEY), surface geometrical morphologies and chemical states of laser ...
Jie Wang, Yong Gao, Zhiming You, Jiakun Fan, Jing Zhang, Sheng Wang, Zhanglian Xu   +6 more
doaj   +1 more source