Abstract
Mossbauer spectroscopy can be performed in transmission and backscattering geometry. The backscattered conversion electrons and X-rays can be used for nondestructive phase analysis on surfaces. Based on their different interactions in materials, they enable analyses of different depths. It is of particular interest to measure backscattering radiation and γ-ray transmission simultaneously. Based on the hyperfine parameters of the Mossbauer spectra information about phases, structures, defects and magnetic properties can be obtained. Besides the qualitative analysis in general an accurate quantitative phase analysis is possible. For example spectra of laser treated alloys are shown. It is the purpose of this note to demonstrate the use of these different types of radiation (electrons, X-ray and γ-ray) in analyzing surface phenomena.
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