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(a) Surface band structure of an 8 ML Pb(111) film. Energy zero is at the Fermi level, and the symmetry of the atomic states are identified as and . (b) and (c) are -point resolved DOS at and , respectively.
(a) Calculated decay length over the entire SBZ for states from 4 eV below to the Fermi level. . (b) Calculated decay length at for free standing (open squares) and Si-supported (solid squares) Pb films, and from the overall charge density for the free standing films (triangular) as a function of . (c) Calculated HOQWS and LUQWS, as a function of . Legends are the same as in (b).
Calculated -only LWF for free standing (open squares) and Si-supported (solid squares) Pb films as a function of . For comparison, measured LWF from STS (solid circles) from Refs. 14 and 15 are also shown.
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