The Role of Electron Beam and Friction Welding in The Fabrication of Offshore Technology Structure

1973 ◽  
Author(s):  
J.D. Russell ◽  
C.R.G. Ellis
Keyword(s):  
Electron Beam ◽  
Friction Welding ◽  
Offshore Technology ◽  
Technology Structure

In-Situ Electrochemical Transmission Electron Microscopy for Battery Research

2014 ◽  
Vol 20 (2) ◽  
pp. 484-492 ◽  
Author(s):  
B. Layla Mehdi ◽  
Meng Gu ◽  
Lucas R. Parent ◽  
Wu Xu ◽  
Eduard N. Nasybulin ◽  
...  
Keyword(s):  
Electron Beam ◽  
Silicon Nanowires ◽  
Electrochemical Processes ◽  
Transmission Electron ◽  
Experimental Parameters ◽  
Scanning Transmission ◽  
Electrode Interface ◽  
Electron Microscopes

AbstractThe recent development of in-situ liquid stages for (scanning) transmission electron microscopes now makes it possible for us to study the details of electrochemical processes under operando conditions. As electrochemical processes are complex, care must be taken to calibrate the system before any in-situ/operando observations. In addition, as the electron beam can cause effects that look similar to electrochemical processes at the electrolyte/electrode interface, an understanding of the role of the electron beam in modifying the operando observations must also be understood. In this paper we describe the design, assembly, and operation of an in-situ electrochemical cell, paying particular attention to the method for controlling and quantifying the experimental parameters. The use of this system is then demonstrated for the lithiation/delithiation of silicon nanowires.

scholarly journals Simulations of electron-beam transport in solid-density targets and the role of magnetic collimation

2010 ◽  
Vol 244 (2) ◽  
pp. 022063 ◽  
Author(s):  
A A Solodov ◽  
M Storm ◽  
J F Myatt ◽  
R Betti ◽  
D D Meyerhofer ◽  
...  
Keyword(s):  
Electron Beam ◽  
Beam Transport ◽  
Solid Density ◽  
Electron Beam Transport

Role of hole trapping by deep acceptors in electron-beam-induced current measurements in β-Ga2O3 vertical rectifiers

2020 ◽  
Vol 53 (49) ◽  
pp. 495108 ◽  
Author(s):  
E B Yakimov ◽  
A Y Polyakov ◽  
N B Smirnov ◽  
I V Shchemerov ◽  
P S Vergeles ◽  
...  
Keyword(s):  
Electron Beam ◽  
Induced Current ◽  
Hole Trapping ◽  
Electron Beam Induced Current

Lower-hybrid wave generation in an electron beam of finite transverse dimension

1989 ◽  
Vol 41 (1) ◽  
pp. 119-137 ◽  
Author(s):  
G. B. Crew
Keyword(s):  
Electron Beam ◽  
Transverse Dimension ◽  
Beam Current ◽  
Lower Hybrid ◽  
Lower Hybrid Wave ◽  
Field Geometry ◽  
Hybrid Waves ◽  
Limiting Case ◽  
Lower Hybrid Waves

The generation of lower-hybrid waves in an inhomogeneous electron beam is examined. Wave amplitudes are invariably limited by the convective nature of the instability. The self-consistent shear of the magnetic-field geometry due to the beam current is limited to the role of dividing the general problem into separate cases according to the relative orientation of the wave vector and direction of inhomogeneity. Moreover, the limiting case of small shear is smoothly connected to the case where shear is altogether negligible. Estimates of the amplification of lower-hybrid waves propagating across the electron beam are made for the various cases.

Laser-induced positive ion and neutral atom/molecule emission from single-crystal CaHPO 4 ·2 H 2 O: The role of electron-beam-induced defects

1999 ◽  
Vol 69 (7) ◽  
pp. S547-S552 ◽  
Author(s):  
M.L. Dawes ◽  
W. Hess ◽  
Y. Kawaguchi ◽  
S.C. Langford ◽  
J.T. Dickinson
Keyword(s):  
Electron Beam ◽  
Single Crystal ◽  
Neutral Atom ◽  
Induced Defects ◽  
Positive Ion

scholarly journals The role of electron-stimulated desorption in focused electron beam induced deposition

2013 ◽  
Vol 4 ◽  
pp. 474-480 ◽  
Author(s):  
Willem F van Dorp ◽  
Thomas W Hansen ◽  
Jakob B Wagner ◽  
Jeff T M De Hosson
Keyword(s):  
Activation Energy ◽  
Growth Rate ◽  
Electron Beam ◽  
Electron Irradiation ◽  
Carbon Membrane ◽  
Average Value ◽  
Fundamental Process ◽  
Electron Stimulated Desorption ◽  
Substrate Temperatures

We present the results of our study about the deposition rate of focused electron beam induced processing (FEBIP) as a function of the substrate temperature with the substrate being an electron-transparent amorphous carbon membrane. When W(CO)6 is used as a precursor it is observed that the growth rate is lower at higher substrate temperatures. From Arrhenius plots we calculated the activation energy for desorption, E des, of W(CO)6. We found an average value for E des of 20.3 kJ or 0.21 eV, which is 2.5–3.0 times lower than literature values. This difference between estimates for E des from FEBIP experiments compared to literature values is consistent with earlier findings by other authors. The discrepancy is attributed to electron-stimulated desorption, which is known to occur during electron irradiation. The data suggest that, of the W(CO)6 molecules that are affected by the electron irradiation, the majority desorbs from the surface rather than dissociates to contribute to the deposit. It is important to take this into account during FEBIP experiments, for instance when determining fundamental process parameters such as the activation energy for desorption.

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