Sentences with phrase «emission electron sources»
«A novel approach for high performance field emission electron sources.»
https://www.sciencedaily.com/
Field emission electron sources catch scientists» attention due to its ability to provide intense electron beams that are about a thousand times denser than conventional thermionic cathode (like filaments in an incandescent light bulb).
Not exact matches
Finkbeiner speculates the source may be electrons given off by dark matter in our galaxy or extraneous emission that accompanied the release of the microwave background in the primordial universe.
This range is mostly free of interference from other radio sources, such as emission from electrons spiralling around galactic magnetic fields.
They then use photo emission electron microscopy at the Advanced Light Source to read out the magnetic structure from this region, demonstrating that the magnetism directly tracks the ferroelectric structure even though no magnetic fields were applied.