Electron affinity, defined as the energy released when an electron attaches to a neutral atom, is a fundamental parameter in understanding atomic reactivity and material properties. Negative ion ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

There are various ways to create artificial diamonds, but a new method developed by researchers, including those at the University of Tokyo, yields some extra benefits. By specially preparing samples ...

Singlet fission (SF) is an exciton amplification phenomenon in which two triplet excitons are generated from a singlet exciton produced by the absorption of a single photon in chromophores. A team of ...

Researchers find that a photon can spend a negative amount of time in an excited atomic state while passing through a cloud of atoms ...