Importance of surface morphology on secondary electron emission: a case study of Cu covered with carbon, carbon pairs, or graphitic-like layers

L Diaz, A Karkash, S Alsharari, RP Joshi… - Scientific Reports, 2023 - nature.com
Understanding the relationship between surface adsorbates and secondary electronic
emission is critical for a variety of technologies, since the secondary electrons can have …

Multipactor suppression via additive manufacturing

SV Langellotti, A Brusstar, NM Jordan… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Preventing multipactor is essential for ensuring vacuum electronic systems operate reliably.
Textured materials have previously been shown to significantly reduce secondary electron …

Efficient combination of surface texturing and functional coating for very low secondary electron yield surfaces and rough nonevaporable getter films

M Himmerlich, DA Zanin, M Taborelli… - Advanced Materials …, 2023 - Wiley Online Library
The formation of a fissured copper surface by picosecond pulsed laser irradiation is
combined with functional coatings consisting of Ti and amorphous carbon layers or a Ti–Zr …

Modelling the impact on the secondary electron yield of carbon layers of various thicknesses on copper substrate

C Inguimbert, Q Gibaru, P Caron, M Angelucci… - Nuclear Instruments and …, 2022 - Elsevier
This work presents comparisons between numerical simulations and secondary electron
emission yield measurements. The impact on the secondary electron emission yield of a …

Multipactor in coaxial transmission lines

S Langellotti - 2023 - deepblue.lib.umich.edu
In vacuum systems where conducting or dielectric surfaces are exposed to oscillating
electric fields, multipactor discharges carry the potential to significantly disrupt normal and …

Can electrons neutralize the electrostatic charge on test mass mirrors in gravitational wave detectors?

L Spallino, M Angelucci, G Mazzitelli, R Musenich… - Physical Review D, 2022 - APS
The purpose of mitigating all potential effects that can detrimentally influence the sensitivity
of present and future gravitational wave detectors has triggered specific research and …

[HTML][HTML] Electron conditioning of technical surfaces at cryogenic and room temperature in the 0–1 keV energy range

M Haubner, V Baglin, B Henrist - Vacuum, 2023 - Elsevier
In the superconducting magnets of the Large Hadron Collider (LHC) at CERN, most of the
beam-induced heat load is intercepted by a beam-screen (BS) cryogenically cooled to 5–20 …

[PDF][PDF] Beam-Impedance Considerations for the EIC HSR Screen

S Verdu-Andres - 2023 - osti.gov
The hadron storage ring (HSR) of the Electron-Ion Collider (EIC) will use the
superconducting magnets from the Relattivistic Heavy Ion Collider (RHIC). However, the …

Analysis and Calibration of Electron-Dispersive Spectroscope and Scanning Electron Microscope Parameters to Improve their Results

H Moradi, F Mehradnia - arXiv preprint arXiv:2310.14401, 2023 - arxiv.org
The Scanning electron microscope (SEM) and Electron-Dispersive Spectroscope (EDS) are
two highly effective instruments in the field of nanoscience and nanotechnology. The quality …

Electron-induced secondary electron emission of aluminum alloy processed via the combination of alodine treatment and carbon film deposition

J Li, B Liu, S Wu, Y Li, W Hu - Materials Letters, 2022 - Elsevier
Relatively strong electron-induced secondary electron emission (SEE) of ordinary aluminum
(Al) alloy limits its applications in high-power microwave devices. In this work, a combination …