In an ARPES experiment, a sample is irradiated with photons, causing electrons to be emitted. The key steps include:
1. Photon Excitation: A monochromatic beam of ultraviolet or X-ray photons is directed at the sample. 2. Electron Ejection: Electrons are ejected from the sample surface due to the photoelectric effect. 3. Detection: The kinetic energy and emission angle of the ejected electrons are measured using an electron analyzer. 4. Data Analysis: The collected data is analyzed to reconstruct the electronic band structure and other properties of the material.
