THE SURFACE BAND STRUCTURE OF Li/Be$(10\bar{1}0)$

L. I. Johansson (), T. Balasubramanian and C. Virojanadara
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L. I. Johansson: Department of Physics and Measurement Technology, Linköping University, S-58183 Linköping, Sweden
T. Balasubramanian: Department of Physics and Measurement Technology, Linköping University, S-58183 Linköping, Sweden;
C. Virojanadara: Department of Physics and Measurement Technology, Linköping University, S-58183 Linköping, Sweden

Surface Review and Letters (SRL), 2002, vol. 09, issue 03n04, 1493-1496

Abstract: A photoemision study of the surface states on Be$(10\bar{1}0)$after Li adsorption at room temperature is reported. The surface band structure was mapped along four high symmetry directions of the SBZ. Fairly large shifts in the surface band locations were obtained but all surface states observed experimentally after Li adsorption were found to correspond to Be-derived states and no Li-derived surface states could be identified. The surface state bands located close to the Fermi level(EF)were found to be affected the most and it is suggested that one surface state band which on the clean surface is located aboveEFis pulled down belowEFafter Li adsorption.

Keywords: Beryllium; Li adsorption; modified surface electronic properties; angle-resolved photoemission; 73.20.At (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1142/S0218625X02003913

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