Alternatively, you can collide those excited atoms with a piece of tungsten foil, which causes the atoms with 2S electrons to de-excite, emitting detectable radiation.

The international research team found that excited electrons (at the centre of the image) can straighten out the skewed crystal lattice of perovskite nanocrystals. Many a scientific and technical ...

Researchers at Japan's Tohoku University are investigating novel ways by which electrons are knocked out of matter. Their research could have implications for radiation therapy.

If any of the electrons around any atom get some energy tossed their way - maybe they got hit by some light that donated some of its energy - this electron can gain energy.

Researchers are investigating novel ways by which electrons are knocked out of matter. Their research could have implications for radiation therapy.

Rydberg atoms have the electrons in their outer layers excited until the electrons are only weakly bound to the nucleus, making the atoms physically very large.

For many applications it is highly desirable that electrons, excited to a higher energy state, take a long time until they relax back to the ground state.

PHYSICISTS have worked out a way to create "negative friction", where molecules speed up as they pass each other instead of slowing down. Mastery of the effect and others like it could help in the ...

Whether in solar cells or in the human eye, whenever certain molecules absorb light, the electrons within them shift from their ground state into a higher-energy, excited state. This results in ...

Traditional wisdom suggests that excited electrons will move towards positively charged parts of a molecule. Advanced time-domain calculations show that the conventional picture breaks down in the ...