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1993 | 83 | 3 | 287-292
Article title

Positron Annihilation in Pd-Ag-H and Pd-Au-H Systems

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EN
Abstracts
EN
Positron annihilation method was used to study hydrogenated Pd_{1-y}Ag_{y}, and Pd_{1-y}Ag_{y} alloys in α-phase. In both systems, insensitivity of the low-lying core states to the presence of hydrogen in the alloy was found. Rigid band mode1 appeared to be a useless description of the changes in the band occupation after hydrogen absorption. The results seem to indicate that the "capacity" of the low-lying H-Pd bonding states remains constant when the Ag or Au atoms are added to PdH_{≈0.6}, which can explain the existence of the limit to the summed up hydrogen and Ag(Au) concentration.
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  • Institute of Experimental Physics, Wrocław University, pl. Maxa Borna 9, 50-204 Wrocław, Poland
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bwmeta1.element.bwnjournal-article-appv83z308kz
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