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  Quantum size effects in Pb/Si(111) investigated by laser-induced photoemission

Kirchmann, P. S., Wolf, M., Dil, J. H., Horn, K., & Bovensiepen, U. (2007). Quantum size effects in Pb/Si(111) investigated by laser-induced photoemission. Physical Review B, 76(7): 075406. doi:10.1103/PhysRevB.76.075406.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-0016-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-8371-5
Genre: Journal Article

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 Creators:
Kirchmann, Patrick S., Author
Wolf, Martin, Author
Dil, Jan Hugo1, Author           
Horn, Karsten1, Author           
Bovensiepen, U., Author
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1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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Free keywords: PACS: 73.21.Fg, 79.60.-i, 79.60.Dp
 Abstract: We use laser-induced photoemission spectroscopy at 6 eV photon energy to investigate quantum well states of epitaxial Pb films on Si(111) as function of film thickness. The binding energies of the quantum well states were found in good agreement with density-functional calculations for a freestanding Pb slab. An oscillation of the work function with a period of 2 ML was observed as a function of film thickness, which correlates well with the oscillatory electron density at the Fermi level determined from the photoemission spectra.

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Language(s): eng - English
 Dates: 2007-08-06
 Publication Status: Issued
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 319350
DOI: 10.1103/PhysRevB.76.075406
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Title: Physical Review B
  Alternative Title : Phys. Rev. B
Source Genre: Journal
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Pages: - Volume / Issue: 76 (7) Sequence Number: 075406 Start / End Page: - Identifier: -