Since 2020, aggregated from related topics
Photoemission spectroscopy is a powerful technique used to study the electronic structure of materials. It involves shining a high-energy photon beam onto a sample, causing electrons to be ejected from the material. By measuring the energy and momentum of these emitted electrons, researchers can gain valuable insights into the electronic properties of the material, such as band structure, Fermi surface, and spin polarization. Photoemission spectroscopy is commonly used in materials science, condensed matter physics, and surface science research to understand the behavior of electrons at the atomic level. It provides detailed information about the energy levels and bonding characteristics of materials, making it a valuable tool for investigating the properties of semiconductors, metals, insulators, and other types of materials.