Results 251 to 260 of about 6,075 (306)
Pisiform Homojunction with Energy Band Bending Induced via Co-Implantation Design Enabling Fast-Charging Sodium-Sulfur Battery. [PDF]
Nanomicro LettGao Y, Lu Z, Yu Q, Zhang J.
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Highly oriented hexagonal hydride phase formation in single phase Ti3Al by cathodic charging [PDF]
Journal of Alloys and Compounds, 1999 A single phase intermetallic compound Ti3Al having DO19 structure (hexagonal) was hydrogenated by cathodic charging. The structure was monitored by X-ray diffraction (XRD) at different charging times.
Sastry, V.S. +3 more
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Advanced space charge limited field emission cathodes
Review of Scientific Instruments, 2023Several novel field emission cathodes are constructed by attaching a variety of materials to a steel substrate using multiple methods of bonding. These cathodes are tested using a pulsed relativistic (350–550 kV) vircator in a space charge limited operating regime.
S. C. Exelby, C. J. Leach
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2022
We present an implementation of charged particle tracking with the cathode space charge effect included which is now openly available in the Bmad toolkit for charged particle simulations. Adaptive step size control is incorporated to improve the computational efficiency.
Wang, Ningdong +5 more
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We present an implementation of charged particle tracking with the cathode space charge effect included which is now openly available in the Bmad toolkit for charged particle simulations. Adaptive step size control is incorporated to improve the computational efficiency.
Wang, Ningdong +5 more
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Cathodic hydrogen charging of zinc
Corrosion Science, 2014Abstract The effect of cathodic hydrogen charging on the structural and mechanical characteristics of zinc was investigated. Hardening of the surface layers of zinc, due to hydrogen incorporation and possible formation of ZnH2, was observed. In addition, the residual stresses brought about by the incorporation of hydrogen atoms into the metallic ...
C.N. Panagopoulos +2 more
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Formative time of the cathodic space charge
Il Nuovo Cimento, 1954The present paper sets forth a criterion for the evaluation of the formative time of the cathodic space charge, beginning with the moment at which the discharge becomes self-standing. Such a criterion is based on two facts to be observed in the study of intermittent discharges with a low-pressure gas: 1) it is possible to note a rise time of the ...
D. Brini, O. Rimondi, P. Veronesi
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Effect of cathodic hydrogen-charging current density on the hydrogen diffusivity in nanostructured bainitic steels [PDF]
Materials Science and Technology, 2017 The effect of cathodic hydrogen-charging current on the effective hydrogen diffusivity in nanostructured bainitic steels produced at transformation temperatures 200 degrees C (BS200) and 350 degrees C (BS350) was investigated and compared to that of mild
Kannan, M. Bobby +3 more
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Space-Charge Effects Near A Cathode
Proceedings of the 2005 Particle Accelerator Conference, 2006RF photocathode guns are excellent sources of high brightness electron bunches. To mitigate space charge effects downstream of the gun it is often desirable to produce electron bunches with a uniform density distribution. Our goal is to understand how the longitudinal bunch profile is determined by the emission dictated by the laser pulse intensity and
V.V. Gorgadze, J.S. Wurtele
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Space Charge Distribution in the Cathode Fall Region of an Ar Hollow Cathode Discharge
Applied Spectroscopy, 1988The electric field above the cathode surface of an Ar hollow cathode discharge has been measured by optogalvanic Stark spectroscopy. The field depends on the radial position of illumination and describes the radial distribution of the space charge density, ρ(r), as ρ(r) = –Ar + B, where r is the radial position and the parameters A and B are positive ...
Takashi Masaki +3 more
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Hollow cathode effects in charge development processes in transient hollow cathode discharges
IEEE Transactions on Plasma Science, 1995A detailed experimental study of space charge formation and ionization growth in transient hollow cathode discharges (THCD) is presented. The experiment was performed with an applied step voltage up to 30 kV, with rise time less than 50 ns. The discharge was operated in different gases, at pressures in the range 50-750 mTorr, with cathode apertures ...
M. Favre +6 more
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