Rik Brydson has written:

'Electron energy loss spectroscopy' -- subject(s): Electron energy loss spectroscopy

Michael Francis John Kinsella has written:

'Charge transfer in the coadsorption of potassium and simple molecules on graphite studied by electron energy loss spectroscopy'

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The utilization of photo-ionization and kinetic energy distribution analysis of emitted photoelectrons to study the electronic state and composition of the surface region of a sample is known as photoelectron spectroscopy. This technique can be subdivided into two areas: X-ray photoelectron Spectroscopy and Ultraviolet Photoelectron Spectroscopy.

In spectroscopy, the term "convergent limit" refers to the minimum energy level that an electron in an atom can occupy. When an electron moves from a higher energy level to a lower one, it emits a photon of energy that corresponds to the difference in energy between the two levels. As the electron moves closer to the nucleus, the energy levels become closer together, and the energy required to move the electron becomes larger.

At some point, the energy required to move the electron becomes so large that it is equal to the energy of a photon in the ultraviolet or X-ray range. At this point, the electron can no longer move to a lower energy level by emitting a photon, and the energy levels are said to have reached their "convergent limit." This limit is different for each atom and is determined by the size and charge of the nucleus.

The convergent limit is an important concept in spectroscopy because it determines the highest energy photon that can be emitted by an atom. By analyzing the wavelengths of the emitted photons, scientists can determine the energy levels of the electrons in the atom and gain insights into its structure and properties.

Overall, the convergent limit is a fundamental concept in spectroscopy that helps scientists understand the behavior of electrons in atoms and the interactions between light and matter.