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Surface-electronic structure of La(0001) and Lu(0001)

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arxiv cond-mat/0511425 v1 pith:YWOH7S33 submitted 2005-11-17 cond-mat.mtrl-sci cond-mat.other

Surface-electronic structure of La(0001) and Lu(0001)

classification cond-mat.mtrl-sci cond-mat.other
keywords structurefermisurface-electroniccloseonlystatesveryaccuracy
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Most spectroscopic methods for studying the electronic structure of metal surfaces have the disadvantage that either only occupied or only unoccupied states can be probed, and the signal is cut at the Fermi edge. This leads to significant uncertainties, when states are very close to the Fermi level. By performing low-temperature scanning tunneling spectroscopy and ab initio calculations, we study the surface-electronic structure of La(0001) and Lu(0001), and demonstrate that in this way detailed information on the surface-electronic structure very close to the Fermi energy can be derived with high accuracy.

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