Results 41 to 50 of about 374,993 (202)

Process for reducing secondary electron emission Patent [PDF]

, 1970
Method for treating metal surfaces to prevent secondary electron ...
Erpenbach, H.
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Study on Secondary Electron Emission from Silver Oxide Coatings and the Effect of Surface Oxidation on Changes in Secondary Electron Emission of Silver

Inorganics
Metal surfaces exposed to air environments invariably undergo various surface modifications, altering their secondary electron emission coefficient (SEEC).
Yuqing Gu, Wei Fu, Juannan Li, Shiyu Gong   +3 more
doaj   +1 more source

Mapping the potential within a nanoscale undoped GaAs region using a scanning electron microscope

, 2004
Semiconductor dopant profiling using secondary electron imaging in a scanning electron microscope (SEM) has been developed in recent years. In this paper, we show that the mechanism behind it also allows mapping of the electric potential of undoped ...
B. Kaestner, C. J. Humphreys, C. Schönjahn, Howie A.   +3 more
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Behavior of thermal electropositive plasma near electron emitting surfaces [PDF]

E3S Web of Conferences
This study investigates the behavior of a thermal plasma sheath comprising positive ions as well as primary electrons in contact with electron-emitting surfaces.
Asserghine Aziza, Maaroufi Fatiha
doaj   +1 more source

Secondary Electron Emission from Surfaces with Small Structure

, 2015
It is found that for objects possessing small surface structures with differing radii of curvature the secondary electron emission (SEE) yield may be significantly higher than for objects with smooth surfaces of the same material.
Dzhanoev, A. R., Lühr, H., Schmidt, J., Spahn, F., Yaroshenko, V.   +4 more
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Installation for SEE observation in the presence of magnetic field

, 2013
The installation provides direct measurements of secondary emission yield and secondary electron velocity/energy distribution in the presence of magnetic field. The measurement system is designed to be installed into superconducting solenoid with maximum
Krasnov, A. A.
core   +1 more source

Pseudo-particle approach for charge-transferring molecule-surface collisions

, 2012
Based on a semi-empirical generalized Anderson-Newns model we construct a pseudo-particle description for electron emission due to de-excitation of metastable molecules at surfaces. The pseudo-particle approach allows us to treat resonant charge-transfer
Bronold, Franz Xaver, Fehske, Holger, Marbach, Johannes   +2 more
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Numerical calculation of the runaway electron distribution function and associated synchrotron emission

, 2014
Synchrotron emission from runaway electrons may be used to diagnose plasma conditions during a tokamak disruption, but solving this inverse problem requires rapid simulation of the electron distribution function and associated synchrotron emission as a ...
Fülöp, Tünde, Landreman, Matt, Stahl, Adam   +2 more
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Polyatomic Ion-Induced Electron Emission (IIEE) in Electrospray Thrusters

Aerospace, 2020
To better characterize the lifetime and performance of electrospray thrusters, electron emission due to electrode impingement by the propellant cation 1-ethyl-3-methylimidazolium (EMI+) has been evaluated with semi-empirical modeling techniques.
Jared M. Magnusson, Adam L. Collins, Richard E. Wirz   +2 more
doaj   +1 more source

On the ICS interpretation of the Hard X-Ray Excesses in Galaxy Clusters: the case of Ophiuchus

, 2009
(Abridged) High-E electrons produce Hard X-Ray (HXR) emission in galaxy clusters by via Inverse Compton Scattering (ICS) of CMB photons. We derive the ICS HXR emission of Ophiuchus under various scenarios: primary cosmic ray model, secondary cosmic rays ...
Ajello, Atoyan, Blasi, Brunetti, Carilli, Colafrancesco, Colafrancesco, Colafrancesco, Colafrancesco, Colafrancesco, Colafrancesco, Colafrancesco, Dogiel, Eckert, Ensslin, Fujita, Fusco-Femiano, Fusco-Femiano, Govoni, Govoni, Inoue, Johnston, Marchegiani, Mohr, Navarro, Nevalainen, P. Marchegiani, Petrosian, Profumo, Reimer, Rossetti, S. Colafrancesco, Sarazin, Slee, Slee, Takahashi, Timokhin, Watanabe   +37 more
core   +2 more sources