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Hindi Journal of Chromatography Research
Hagai Cohen Author
Subjects of specialization
Affiliation
Chemistry
Weizmann Institute of Science, weizmann, Department of Chemical Research Support
Biography
Hagai Cohen completed his D. Sc. studies at the Technion Israel Institute of Technology, Haifa, Israel, in the field of the Physics of solid surfaces. He joined the Weizmann Institute, where he heads the facility for electron spectroscopy, focusing his research activity on chemical and electrical phenomena at solid surfaces and interfaces.
Publications
Short Communication Open Access
Charge Transport and Chemical Processes at Interfaces Studied by Advanced Photoelectron Spectroscopy
Author(s): Hagai Cohen
Processes taking place at interfaces are of general interest and, not surprisingly, drive researchers in a variety of scientific and applicative fields to use surface sensitive techniques, following a key requirement as of the depth sensitivity of the technique. Naturally, depending on the interface(s) of interest, the technique’s depth sensitivity dictates its applicability. In this respect, X-ray photoelectron spectroscopy (XPS) is a popular example, proposing considerable reliability in the quantitative analysis of chemical compositions, with exclusive restriction to the top few nanometers, 0.1-15 nm, of a solid surface. Remarkably, subject to slight modifications only, the XPS instrumentation can be upgraded to also provide unique electrical information, together with the chem... view more»
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