Positron Annihilation in a Composite Based on Magnesium Hydride and Carbon Nanotubes during Dehydrogenation

V. N. Kudiyarov; R. S. Laptev; Yu. S. BordulevR. R. ElmanN. E. KurdyumovA. V. PopovA. M. Lider

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Positron Annihilation in a Composite Based on Magnesium Hydride and Carbon Nanotubes during Dehydrogenation

机译：Positron Annihilation in a Composite Based on Magnesium Hydride and Carbon Nanotubes during Dehydrogenation

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Abstract The paper presents the results of experimental research on the annihilation of positrons in hydrogen storage materials based on magnesium and single-wall carbon nanotubes during thermal annealing. It is shown that the characteristics of positron annihilation in such materials are related to their microstructural changes. In a composite based on magnesium hydride and carbon nanotubes, the rate of hydrogen release during dehydrogenation reveals three peaks due to the specific morphology of carbon nanotubes included in the magnesium matrix. During dehydrogenation, the composite undergoes irreversible changes in its electronic and/or defect structure.

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《Physical mesomechanics》 |2022年第5期|445-452|共8页
作者
V. N. Kudiyarov; R. S. Laptev; Yu. S. BordulevR. R. ElmanN. E. KurdyumovA. V. PopovA. M. Lider;
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National Research Tomsk Polytechnic University;

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正文语种英语
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magnesium hydride; positron annihilation; in situ; defects; metal–hydrogen systems; composites; carbon nanotubes; hydrogenation; hydrogen storage;

Positron Annihilation in a Composite Based on Magnesium Hydride and Carbon Nanotubes during Dehydrogenation

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