J
J. Hedman
Researcher at Uppsala University
Publications - 28
Citations - 3259
J. Hedman is an academic researcher from Uppsala University. The author has contributed to research in topics: Electron spectroscopy & Valence electron. The author has an hindex of 19, co-authored 28 publications receiving 3194 citations.
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ESCA : atomic, molecular and solid state structure studied by means of electron spectroscopy
Kai Siegbahn,Carl Nordling,A. Fahlman,R. Nordberg,Kuell Hamrin,J. Hedman,G. Johansson,T. Bergmark +7 more
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Molecular Spectroscopy by Means of ESCA III. Carbon compounds
Ulrik Gelius,P.-F. Hedén,J. Hedman,B J Lindberg,Rolf Manne,R. Nordberg,Carl Nordling,Kai Siegbahn +7 more
TL;DR: In this article, the binding energy shifts of aliphatic saturated compounds, carbonyl compounds, and some aromatic compounds were measured by ESCA and compared with results of semi-empirical and ab initio molecular orbital calculations on free molecules.
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Calibration of electron spectra
TL;DR: In this article, the binding energies of calibration lines suitable for solid and for gaseous samples have been determined for different X-radiation, sample thickness and material, and experiments indicated that in calibrating relative to a surface layer, the carbon line from the hydrocarbon contamination layer can be used as well as a line from a thick layer of a noble metal on a part of the sample.
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Band Structure of Transition Metals Studied by ESCA
TL;DR: The position and shape of the energy bands of the following transition metals have been studied by ESCA: Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Os, Ir, Pt, Au as mentioned in this paper.
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Escape Depths of X-ray Excited Electrons
TL;DR: The escape depth of X-ray induced photoelectrons and Auger electrons has been measured for energies between 1 keV and 4 keV in metallic gold and aluminum oxide as mentioned in this paper, and the escape depth was found to be proportional to the square root of the electron energy.