Lattice Site Location of Hydrogen by Use of Extended X-Ray Absorption Fine Structure
- 2 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (1) , 74-77
- https://doi.org/10.1103/physrevlett.53.74
Abstract
Hydrogen shows no measurable backscattering for photoelectrons in extended x-ray absorption fine structure. When a H atom is located between an absorber and a backscatterer, however, it affects the photoelectron wave in magnitude and phase. This is demonstrated on Ni and Cr hydrides. The radial and angular information of the hydrogen position provided by this effect has a wide range of applicabilities such as the structure of metal-hydrogen systems, the trapping of hydrogen by impurities, and the determination of hydrogen bonds in molecules.Keywords
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