The interaction between atoms of Au and Cu with clean Si(111) surface: A study combining synchrotron radiation grazing incidence X-ray fluorescence analysis and theoretical calculations


Autoria(s): CARVALHO, Hudson W. P. de; BATISTA, Ana P. L.; RAMALHO, Teodorico C.; PEREZ, Carlos A.; GOBBI, Angelo Luiz
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

20/10/2012

20/10/2012

2009

Resumo

In order to evaluate the interactions between Au/Cu atoms and clean Si(l 11) surface, we used synchrotron radiation grazing incidence X-ray fluorescence analysis and theoretical calculations. Optimized geometries and energies on different adsorption sites indicate that the binding energies at different adsorption sites are high, suggesting a strong interaction between metal atom and silicon surface. The Au atom showed higher interaction than Cu atom. The theoretical and experimental data showed good agreement. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.

FAPEMIG

Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

CNPq

Brazilian Synchrotron Light Laboratory (LNLS)

Brazilian Synchrotron Light Source (LNLS)[D09B-XRF 6637/07]

Brazilian Synchrotron Light Source (LNLS)[LMF 7723]

Brazilian Synchrotron Light Laboratory (LNLS)

Identificador

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, v.74, n.1, p.292-296, 2009

1386-1425

http://producao.usp.br/handle/BDPI/31505

10.1016/j.saa.2009.06.021

http://dx.doi.org/10.1016/j.saa.2009.06.021

Idioma(s)

eng

Publicador

PERGAMON-ELSEVIER SCIENCE LTD

Relação

Spectrochimica Acta Part A-molecular and Biomolecular Spectroscopy

Direitos

restrictedAccess

Copyright PERGAMON-ELSEVIER SCIENCE LTD

Palavras-Chave #Total X-ray reflection #Grazing incidence X-ray fluorescence (GIXRF) analysis #Semiconductor surface #ADSORPTION #MECHANISM #FILMS #Spectroscopy
Tipo

article

original article

publishedVersion