Abstract
The study of metal-hydrogen systems is becoming increasingly important in various energy technologies today, and as a consequence it becomes desirable to be able to characterize the resulting phases as accurately as possible. In this paper we report a preliminary study of metal-hydrogen systems using the technique of electron energy loss spectroscopy (EELS) in an analytical electron microscope (AEM).The study of hydrogen in rare earth metals using EELS was first reported by Colliex et al. in 1976; in that work as well as in this study the characteristic energy loss of plasmon scattering was measured in various metal and hydride phases. Plasmon scattering in general is related to electronic structure of the material and thus the formation of a hydride phase if it affects the electronic structure of the alloy is expected to produce characteristic changes in the energy loss distribution.
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