Surface electronic structure of Pb/Cu(100): surface band filling and folding

doi:10.1088/0953-8984/21/47/474216

Surface electronic structure of Pb/Cu(100): surface band filling and folding

V Joco et al 2009 J. Phys.: Condens. Matter 21 474216 (12pp) doi: 10.1088/0953-8984/21/47/474216

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V Joco¹, J Martínez-Blanco¹, P Segovia¹, I Vobornik² and E G Michel¹
¹ Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, 28049 Madrid, Spain
² TASC National Laboratory, INFM-CNR, SS 14, km 163.5, I-34149, Trieste, Italy

Abstract. We report an investigation into the surface electronic structure of Pb/Cu(100) in the submonolayer coverage range. A prominent surface band is detected in the whole coverage range analysed. The band is gradually filled as Pb coverage increases. For a Pb coverage of 0.375 ML, corresponding to the c(4 × 4) phase, a strong c(4 × 4) folding of this state is observed in the valence band. The origin of these results and the nature of the surface electronic structure of Pb/Cu(100)- c(4 × 4) are discussed.

Print publication: Issue 47 (25 November 2009)
Received 14 April 2009
Published 5 November 2009

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Surface electronic structure of Pb/Cu(100): surface band filling and folding

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