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Positron Annihilation in Hydrides of Transition Metals
Author(s) -
Dekhtyar I. Ya.,
Shevchenko V. I.
Publication year - 1977
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220830136
Subject(s) - yttrium , ionic bonding , hydrogen , proton , positron , positron annihilation , tantalum , transition metal , materials science , alloy , ion , palladium , atomic physics , electron , physics , chemistry , oxide , nuclear physics , metallurgy , catalysis , biochemistry , quantum mechanics
An analysis of the degree of positron localization on alloy components is developed in application to palladium, tantalum, and yttrium hydrides. The method is based on the account of positron‐ionic core electron interaction. From the results a conclusion is made about a principal positron localization on metallic components. The degree of the localization depends on the nature of the transition metals. The electronic structure of a hydrogen ion can be changed from the partial “proton” state (PdH) up to nearly the complete “proton” state (YH). The anionic hydrogen state is excluded.