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Dresden 2011 – scientific programme

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O: Fachverband Oberflächenphysik

O 32: Spin-Orbit Interaction at Surfaces II

O 32.2: Talk

Tuesday, March 15, 2011, 11:30–11:45, WIL C307

Spin-orbit interaction in magnetic quantum well states of Ni/W(110) — •Andreas Nuber1, Hendrik Bentmann1, and Friedrich Reinert1,21Experimentelle Physik VII, Universität Würzburg, Germany — 2Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany

Nickel is a model system for ferromagnetism with an exchange splitting of the minority and majority bulk band structure of approximately 0.3 eV. Growing thin films of Nickel on a W(110) substrate results in the formation of quantum well states (QWS) within the film. Due to the non-perfect confinement, the wave function of the QWS extend into the first monolayers of the tungsten substrate leading to an interaction with the large potential gradient of the W atoms. We present a high resolution ARUPS study of the electronic structure of thin Nickel films on W(110) which is influenced by the spin-orbit interaction mediated by the substrate and the exchange interaction of Nickel.

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