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Berlin 2008 – scientific programme

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O: Fachverband Oberflächenphysik

O 18: Poster Session I - MA 141/144 (Atomic Wires; Size-Selected Clusters; Nanostructures; Metal Substrates: Clean Surfaces+Adsorption of Organic / Bio Molecules+Solid-Liquid Interfaces+Adsorption of O and/or H; Surface or Interface Magnetism; Oxides and Insulators: Clean Surfaces)

O 18.44: Poster

Monday, February 25, 2008, 18:30–19:30, Poster F

Crystal-induced surface state of Ni(111) modified by a h-BN overlayer — •Karen Zumbrägel1, Christian Eibl1, Kathrin Wulff1, Matthias Hengsberger2, and Markus Donath11Physikalisches Institut, Westfälische Wilhelms-Universität, Münster, Germany — 2Physik-Institut, Universität Zürich, Switzerland

The physics of electronic states at surfaces and interfaces is a highly relevant topic in the context of miniaturised electronic devices. We have studied the influence of a monolayer boron nitride (BN) on Ni(111) with spin-resolved inverse photoemission. While interface states have already been identified and thoroughly studied with respect to their dispersion and spin polarization [1], the behaviour of the crystal-induced surface state of clean Ni(111) [2] upon BN adsorption remains controversial. Our spin-resolved results will be discussed along with theoretical and experimental work available in the literature.

[1] K. Zumbrägel, K. Wulff, Ch. Eibl, M. Donath and M. Hengsberger (to be published) [2] M. Donath, F. Passek, and V. Dose, Phys. Rev. Lett. 70, 2802 (1993).

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