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The Local Density of States of Embedded Cu and Cu(Ni) Clusters
Author(s) -
Van Dijkum C. E.,
Lodder A.
Publication year - 1981
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.2221060113
Subject(s) - local density of states , cluster (spacecraft) , density of states , formalism (music) , copper , amorphous solid , atom (system on chip) , materials science , embedding , alloy , condensed matter physics , chemical physics , atomic physics , molecular physics , crystallography , physics , chemistry , metallurgy , computer science , art , musical , embedded system , visual arts , programming language , artificial intelligence
The electronic structure of Cu and Cu(Ni) clusters is investigated being representative of the pure Cu and dilute Cu(Ni) alloy systems in a liquid or amorphous state. The clusters contain up to 43 atoms. The copper environment of the clusters is simulated by two kinds of embedding media, the John‐Keller medium and the Lenk‐Blaudeck medium. The local density of states (LDOS) for each atom in the cluster is evaluated using the formalism of Lloyd as well as of Anderson and McMillan. Calculations show that the Anderson‐McMillan LDOS, which follow from a local integration of the Green function, is preferable.