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Today in History for Oct. 19: In 1216, King John of England died after consuming what was described as an excessive number of peaches and too much beer.

X-ray photoemission spectroscopy, otherwise known as X-ray photoelectron spectroscopy (XPS), is a powerful spectroscopic technique for measuring the binding energies of core electrons.

Berkeley Lab scientists recently led the first direct measurement of the Donnan potential using a tool conventionally used to probe the chemical composition of materials.

An international research team led by Markus Gühr’s group at the University of Potsdam performed laser experiments at Deutsches Elektronen-Synchrotron DESY to monitor charge motions in light-excit ...

Thor Balkhed X-ray photoelectron spectroscopy (XPS) is often used to determine the chemical composition of materials. It was developed in the 1960s and is accepted as a standard method in materials science. Researchers at Linköping University, Sweden, however, have shown that the method is often used erroneously. "It is, of course, an ideal in research that the methods used are critically examined, but it seems that a couple of generations of researchers have failed to take seriously early signals that the calibration method was deficient. This was the case also for a long time in our own re...