Hybridization of impurity states with the Shockley surface band versus bulk states

The characteristics of the Shockley surface states on Cu(111) in the presence of Co impurity adsorbates are studied by means of one electron calculation performed using a well parametrized Hamiltonian in a local basis. Local densities of states in the spillover region as well as the relative hybridi...

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Autores principales: Barral, María Andrea, Llois, Ana María
Publicado: 2004
Materias:
cobalt
copper
adsorption
article
calculation
density
electron
hybridization
observation
strength
surface property
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v70_n3_p035416_Barral
http://hdl.handle.net/20.500.12110/paper_01631829_v70_n3_p035416_Barral
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01631829_v70_n3_p035416_Barral
record_format dspace
spelling paper:paper_01631829_v70_n3_p035416_Barral2025-07-30T17:53:09Z Hybridization of impurity states with the Shockley surface band versus bulk states Barral, María Andrea Llois, Ana María cobalt copper adsorption article calculation density electron hybridization observation strength surface property The characteristics of the Shockley surface states on Cu(111) in the presence of Co impurity adsorbates are studied by means of one electron calculation performed using a well parametrized Hamiltonian in a local basis. Local densities of states in the spillover region as well as the relative hybridization strengths of Co "d" orbitals with bulk and surface states are obtained. We show that Co 3d orbitals hybridize mostly with Cu bulk conduction states, thus giving ground to recent experimental results [N. Knorr, M. A. Schneider, L. Diekhoner, P. Wahl, and K. Kern, Phys. Rev. Lett. 88, 096804 (2002)] in the sense that the observed Kondo resonances are being dominated by Cu bulk electrons. Fil:Barral, M.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Llois, A.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2004 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v70_n3_p035416_Barral http://hdl.handle.net/20.500.12110/paper_01631829_v70_n3_p035416_Barral
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic cobalt
copper
adsorption
article
calculation
density
electron
hybridization
observation
strength
surface property
spellingShingle cobalt
copper
adsorption
article
calculation
density
electron
hybridization
observation
strength
surface property
Barral, María Andrea
Llois, Ana María
Hybridization of impurity states with the Shockley surface band versus bulk states
topic_facet cobalt
copper
adsorption
article
calculation
density
electron
hybridization
observation
strength
surface property
description The characteristics of the Shockley surface states on Cu(111) in the presence of Co impurity adsorbates are studied by means of one electron calculation performed using a well parametrized Hamiltonian in a local basis. Local densities of states in the spillover region as well as the relative hybridization strengths of Co "d" orbitals with bulk and surface states are obtained. We show that Co 3d orbitals hybridize mostly with Cu bulk conduction states, thus giving ground to recent experimental results [N. Knorr, M. A. Schneider, L. Diekhoner, P. Wahl, and K. Kern, Phys. Rev. Lett. 88, 096804 (2002)] in the sense that the observed Kondo resonances are being dominated by Cu bulk electrons.
author Barral, María Andrea
Llois, Ana María
author_facet Barral, María Andrea
Llois, Ana María
author_sort Barral, María Andrea
title Hybridization of impurity states with the Shockley surface band versus bulk states
title_short Hybridization of impurity states with the Shockley surface band versus bulk states
title_full Hybridization of impurity states with the Shockley surface band versus bulk states
title_fullStr Hybridization of impurity states with the Shockley surface band versus bulk states
title_full_unstemmed Hybridization of impurity states with the Shockley surface band versus bulk states
title_sort hybridization of impurity states with the shockley surface band versus bulk states
publishDate 2004
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v70_n3_p035416_Barral
http://hdl.handle.net/20.500.12110/paper_01631829_v70_n3_p035416_Barral
work_keys_str_mv AT barralmariaandrea hybridizationofimpuritystateswiththeshockleysurfacebandversusbulkstates
AT lloisanamaria hybridizationofimpuritystateswiththeshockleysurfacebandversusbulkstates
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