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Dresden 2014 – scientific programme

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O: Fachverband Oberflächenphysik

O 37: Posters: Plasmonics, Electronic Structure and Spin-Orbit Interaction, Semiconductor and Insulator Surfaces, Nanostructures

O 37.52: Poster

Tuesday, April 1, 2014, 18:30–22:00, P2

Multichannel-Spin-Polarimetry for the Analysis of Spin-Transport in Metal-Organic Interfaces — •Erik Schaefer1,2, Dima Kutnyakhov1, Gerd Schönhense1,2, and Hans-Joachim Elmers1,21Institut für Physik, Johannes Gutenberg-Universität, Staudinger Weg 7, D-55128 Mainz, Germany — 2Graduate School Materials Science in Mainz, Staudinger Weg 9, D-55128 Mainz, Germany

The spin-resolved analysis of electronic properties of hybrid metal-organic interfaces is of great interest. Metal-organic materials are promising candidates for spintronic applications because of their advantageous properties and chemical flexibility.

Over the past decades, the various forms of photoemission experiments have become one of the standard measurement techniques in surface physics. In contrast to conventional photon optics, an effective spin polarisation analysis of a given electron beam is difficult. Since organic materials also tend to degrade within a short period, a massive reduction of spin-resolved data acquisition time is crucial.

The recently developed multichannel spin- and angle-resolved photoemission spectroscopy[1] solves this issue by enhancing the figure of merit by several orders of magnitudes, making the analysis of spin-transport (e.g. spin diffusion lenght) in metal-organic interfaces possible. Both, the analysis of the novel measurement technique and metal-organic interfaces will lead to new insights and prospects.

Funded by Stiftung Rheinland Pfalz für Innovation (project 1038)

[1] M. Kolbe et al., Phys. Rev. Lett. 107, 207601 (2011)

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