"Angle-resolved photoemission spectroscopy is a powerful experimental technique for physicists to understand how electrons ...

Photoemission is a process during which electrons are ejected from a metal surface when exposed to electromagnetic radiation, (eg ultraviolet). If a clean, positively charged zinc plate is exposed ...

Photoemission spectroscopy (PES) is a powerful analytical technique used to study the electronic structure and chemical composition of materials. It is based on the photoelectric effect, where ...

A photon has a frequency of \(6.4 \times 10^{14}Hz\). Calculate the energy of the photon. Light of frequency \(6.4\times 10^{14}Hz\) is used to illuminate negatively charged sodium (which has a ...

A photoemission laser (green) creates short electron pulses (blue) that intersect with the electric or magnetic anti-nodes of ...

Spintronics uses the spins of electrons to perform logic operations or store information. Ideally, spintronic devices could ...

"Angle-resolved photoemission spectroscopy is a powerful experimental technique for physicists to understand how electrons behave in solids," Keun Su Kim, Professor of Physics at Yonsei University ...

Researchers have directly observed Floquet states in semiconductors using all-optical spectroscopy under ambient conditions, ...

Spintronic devices work with spin textures caused by quantum-physical interactions. Scientists have now studied graphene-cobalt-iridium heterostructures at BESSY II. The results show how two desired ...

For his monumental work in transforming our understanding of gravity and spacetime, Albert Einstein won his sole Nobel Prize for something else: explaining the photoelectric effect. In the early ...

Yang and co-workers found a very strong peak in the photoemission spectrum of tetramantanethiol monolayers at the lowest kinetic energy observed (about 1 eV). For monolayers grown on silver ...

using photoemission spectroscopy in the UV and soft X-ray spectra. A similar confirmation in RuO2 samples was published in Science Advances by [Olena Fedchenko] and colleagues. What this discovery ...