Sentences with phrase «specific electron energy»

Furthermore, site - specific electron energy - loss magnetic chiral dichroism (EMCD) measurements are planned for a quantitative local magnetic structure determination in collaboration with colleagues from the Beijing National Center for Electron Microscopy.

Not exact matches

They always arrive at Earth with a specific maximum energy of 10 electron volts.
These timekeepers are based on precise knowledge of the frequency of specific transitions between defined energy levels in the electron shells of certain atoms.
These electrons, known as photoelectrons, have a very specific energy of 24.1 electronvolts, which means they can be traced by the CAPS instrument, and easily distinguished from other electrons, as they propagate through the surrounding magnetic field.»
They found that the electron transport chain so critical to the conversion of electrons to energy can and is operating deep down in the oxygen - deprived biofilm and that in these environments, the bacterium depends on a specific part of the chain's terminal oxidase — a protein called CcoN4 — to access oxygen and grow normally.
Electrons within atoms absorb light of a specific wavelength by jumping from one energy level to a higher one.
The technique probed specific states of vinylidene by ejecting electrons with varying energies from a negative ion precursor.
They have also discovered that the electron beam can be simultaneously tuned to stimulate specific chemical reactions by using it as a source of energy as well as an imaging tool.
«Amazingly, by finely tuning the energies of propagating electrons, we found that, in addition to these resonance transmission channels, other resonances also are possible, with energies matching those of specific vibrations in carbon nanotubes,» he said.
The trick was calculating the precise amount of energy to pump into the atom; just the right amount would excite a specific electron.
And as it happens, astronomers have noticed that cosmic rays, high - speed particles that originate in far - flung galaxies, always arrive at Earth with a specific maximum energy of about 1020 electron volts.
Electrons carry energy only in specific amounts, or levels, and according to the team, electrons confined in graphene strips required larger doses of energy to reach the next level, creating a kind of Electrons carry energy only in specific amounts, or levels, and according to the team, electrons confined in graphene strips required larger doses of energy to reach the next level, creating a kind of electrons confined in graphene strips required larger doses of energy to reach the next level, creating a kind of band gap.
If light of a specific wavelength strikes the layer and is absorbed, the electrons receive enough energy to cross the boundary.
It is easy to observe that H only emits very specific energies of light which are «easily» predicted by the quantum mechanics of the orbiting electrons and the allowed transitions between energy levels of those orbits.
I understand (to some extent) how individual atoms can radiate specific frequency spectral lines, as a result of energy level transitions of an electron in that atom.
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