Effects of varying compressive biaxial strain on the hydrogen uptake of thin vanadium (001) layers
1999 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 11, no 35, 6669-6677 p.Article in journal (Refereed) Published
The hydrogen uptake of asymmetric Fe/V (001) superlattices with LFe/LV = 3/16 monolayers and 3/10 monolayers was investigated by resistometric methods. The hydrogen distribution and the enthalpy of solution were simulated using a diffusion model and calculated H-H interaction energies. It was found that the strain state of the V lattice strongly influenced the H-H interaction. The hydrogen-depleted interface region in the V layers was populated at lower concentrations than in previously studied symmetric samples, which implied that the energy difference between interior and interface regions was lowered. The V-H binding energy was found to be up to 60 meV higher than in the symmetric superlattices.
Place, publisher, year, edition, pages
1999. Vol. 11, no 35, 6669-6677 p.
IdentifiersURN: urn:nbn:se:uu:diva-89499DOI: 10.1088/0953-8984/11/35/305OAI: oai:DiVA.org:uu-89499DiVA: diva2:161014