Publication

Results and perspectives in hard X-ray photoemission spectroscopy (HAXPES) from solids

Marco Grioni
2006
Journal Articles

Abstract

We report on the results obtained during the commissioning phase of the volume photoemission (VOLPE) project, now operational at ESRF. Test experiments were performed on noble metals and highly correlated systems, analyzing photoelectrons with kinetic energies up to 8 keV. They confirmed that hard X-ray photoemission spectroscopy (HAXPES) can achieve bulk sensitivity with high energy resolution (e.g. 70 meV at 6 keV kinetic energy). At these kinetic energies, the surface contribution to the measured spectra is less than 5%. (c) 2005 Elsevier B.V. All rights reserved.

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https://infoscience.epfl.ch/entities/publication/cf674b2f-b103-4880-994f-660af20aafca

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Marco Grioni
2006
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/cf674b2f-b103-4880-994f-660af20aafca

About this result

Related concepts (19)

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy (XPS) is a surface-sensitive quantitative spectroscopic technique based on the photoelectric effect that can identify the elements that exist within a material (elemental composition) or are covering its surface, as well as their chemical state, and the overall electronic structure and density of the electronic states in the material. XPS is a powerful measurement technique because it not only shows what elements are present, but also what other elements they are bonded to.

Noble metal

A noble metal is ordinarily regarded as a metallic chemical element that is generally resistant to corrosion and is usually found in nature in its raw form. Gold, platinum, and the other platinum group metals (ruthenium, rhodium, palladium, osmium, iridium) are most often so classified. Silver, copper and mercury are sometimes included as noble metals, however less often as each of these usually occurs in nature combined with sulfur. In more specialized fields of study and applications the number of elements counted as noble metals can be smaller or larger.

Noble gas

The noble gases (historically also the inert gases; sometimes referred to as aerogens) make up a class of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six naturally occurring noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn). Oganesson (Og) is a synthetically produced highly radioactive element.

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