The National Institute for Materials Science (NIMS) and JEOL, Ltd. have developed a lanthanum hexaboride (LaB6) nanowire-based field emission gun that is installable on an aberration-corrected transmission electron microscope ...
Nanophysics
Dec 10, 2021
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68
The successful test of the LCLS-II electron gun (see related article) marks the culmination of an R&D effort spanning more than a decade at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab).
Optics & Photonics
Jun 17, 2019
0
5
Aligning a sequence of amplifiers and mirrors with hair-thin precision on a tabletop anchored to a steel block deep underground, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have produced ...
Optics & Photonics
May 10, 2017
0
119
(Phys.org)—A team of researchers at the California Institute of Technology has combined a pulsed laser with an electron gun to capture imagery of suspended nanoparticles moving at nanosecond speeds. In their paper published ...
X-ray free-electron lasers, first realized a decade ago, produce the brightest X-rays on the planet, and scientists tap into these unique X-rays to explore matter at the atomic scale and observe processes that occur in just ...
General Physics
Apr 4, 2016
0
18
They sound like futuristic weapons, but electron guns are actually workhorse tools for research and industry: They emit streams of electrons for electron microscopes, semiconductor patterning equipment and particle accelerators, ...
Nanophysics
Dec 10, 2015
5
200
Accelerated ion beams heat up. As the particles that make up the beam move around and scatter off of one another, some speed up while others slow down, leading to a wide spread in their velocities. This spreading of velocities ...
General Physics
Dec 8, 2015
0
44
(Phys.org) —On a quest to design an alternative to the two complex approaches currently used to produce electrons within microwave electron guns, a team of researchers from Euclid TechLabs and Argonne National Laboratory's ...
General Physics
Nov 18, 2014
0
0
