Abstract
The study of influence of the skin effect, which occurs when charging metal samples with hydrogen, on the thermal desorption spectra (TDS) is carried out. The main goal of the study was to identify the causes of possible errors in determining the binding energies of hydrogen. The effects arising at different rates of the increase TDS temperature are investigated. The study was carried out analytically and numerically by means of FEM modeling. The standard Fick model is taken for modeling the hydrogen transport model in order to gain a simple explanation of the effects. The skin effect was found to lead to appearance of an extra peak on the TDS. Deciphering the TDS using the Choo-Lee plot results in dependence of the activation energy or hydrogen binding energy calculated by the Kissenger formula on the range of temperature rates in which the TDS experiment was performed.
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