secondary electron emission charging
Effect of Electron and/or Ion Nonthermality on Dust Acoustic Wave Propagation in a Complex Plasma in Presence of Positively Charged Dust Grains Generated by Secondary Electron Emission Process
... both electron and ion nonthermali- ties on dust acoustic wave propagation in a complex plasma in presence of positively charged dust ...grains. Secondary electron emission from dust grains has ...
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Filtering of the interstellar dust flow near the heliopause: the importance of secondary electron emission for the grain charging
... higher emission of secondary electrons, which is referred to as the small particle ...of electron impact on small spherical grains (Chow et ...the electron-induced ...
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Electrostatic charging of spacecraft in geosynchronous orbit
... the electron gun, the measured current will not depend on sample potential; however, the divergence inherent in the electron beam will cause some electrons to be deflected towards the edges of the tank by ...
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Manipulating carbon nanotubes Towards the application as novel field emission sources
... the electron microscope immediately shows the results of both methods, and the quality of the sample is judged by the availability of free standing CNTs with a length of at least several hundreds of nm, which can ...
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Enhanced control of the ionization rate in radio-frequency plasmas with structured electrodes via tailored voltage waveforms
... secondary electrons emitted will appear at the bottom of a larger potential well if the electrode has a less positive bias, and will be subsequently accelerated to higher energies resulting in a higher power ...
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Electronic Transition Imaging of Carbon Based Materials: The Photothreshold of Melanin and Thermionic Field Emission from Diamond
... available electron energy state will be occupied, of a metal with Fermi energy of ...spontaneous emission pulse structure of the FEL is ...spontaneous emission can be estimated as the product of the ...
204
Fowler Nordheim Tunneling, Photovoltaic Applications and New Band Structure Models of Electroconductive a CNx:H Films Formed by Supermagnetron Plasma CVD
... field electron-emissions shown in Figure 7 and Figure 8, many small craters were created on the surface of ...the emission sites, and photographed by laser ...field emission current of ...
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Transient propagation dynamics of flowing plasmas accelerated by radio-frequency electric fields
... and electron currents are measured by applying a dc voltage of -50 V and 60 V, respectively, to the beam target (located at z = 100 mm) and measuring the voltage drop across a 10 Ω low-inductance ...the ...
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N,N Dimethyl 4 (pyren 1 yl)aniline
... into electron transfer processes, extensive studies have been carried out on the optical behavior of systems consisting of donor acceptor groups linked by different bridges (Wasielewski, 1992; Willemse et ...
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Synthesis and Field Emission Properties of Carbon Nanotube Films
... Since electron field emission is also a surface sensitive phenomenon, considering the working pressure of ~ 4E-10 -7 Torr in our study, the role of adsorbates and other surface interactions is certainly not ...
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Electron transport and room temperature single electron charging in 10 nm scale PtC nanostructures formed by electron beam induced deposition
... deposited patterns expected to consist of Pt grains in a C matrix with a Pt:C ratio of approximately 1:5 [50]. The gas flow was stabilized on the sample surface prior to electron beam patterning, which was ...
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The Spin Spin Interaction and the New Concept of Photon
... absorption, emission in the photon-atom interaction? To find out the acceptable answers, here we propose postulates about the zero-photon and then about the new concepts of ...the emission rule and its ...
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Micro-analytical methodologies for the characterization of airborne inorganic pollutants collected on unconventional substrates
... No matter the type of samplers and analytical technique selected, it must be considered that a sample is a very small “portion of the environment”, thus statistical consideration must be included both in the planning ...
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Electron Bernstein Waves at the WEGA Stellarator Heating and Emission
... of electron cyclotron resonance heat- ing (ECRH) for high density and high beta operation in magnetically confined plasmas is limited due to reflec- tions of the heating wave at the associated density cut- off that ...
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A Review Paper on “Graphene Field Emission for Electron Microscopy”
... field emission based devices ...CFE electron sources, graphene is well known for possessing several desirable properties: (1) it has excellent thermal, mechanical, and electrical characteristics [17,21]; ...
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Development of Electron Bernstein Emission Diagnostic for Heliotron J
... cyclotron emission such as Ordinary (O) and eXtraordinary (X) modes are used for electron temperature diagnostic in magnetic fusion ...density. Electron Bernstein Waves (EBWs) are electrostatic waves ...
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A MUSE map of the central Orion Nebula (M 42)
... (Fig. 9). The origin of this feature is not fully understood, but it is likely caused by a change in the spatial point-spread function (PSF), i.e., variations in seeing between exposures. Since the two exposures per ...
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Fabrication, structure, and electron emission of single carbon nanotubes
... field emission measurements were carried out with a single carbon nanotube shown in ...The emission current was measured as a function of the extraction voltage at room ...field emission and after ...
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(CuO) PLASMA GENERATED BY Nd:YAG LASER
... free electron number densities, Ion, atom and their temperatures is very essential to describe the laser-induced plasma (LIP) which is crucial for modeling and analytical ...optical emission measurements, ...
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Vertical Electron Cyclotron Emission Diagnostic for TCV Plasmas
... Abstract. Electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are used to heat the plasma, to tailor the current profiles and to achieve dif- ferent operating regimes of ...
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