Berlin 2015 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 58: Electronic Structure of Surfaces II
O 58.7: Vortrag
Mittwoch, 18. März 2015, 16:30–16:45, MA 041
Electronic band structure of thin Fe films epitaxially grown on Au(001) and MgO(001) — •Ewa Mlynczak1,2, Markus Eschbach1, Pika Gospodaric1, Vitaliy Feyer1, Giovanni Zamborlini1, Lukasz Plucinski1,3, and Claus M. Schneider1,3 — 1Peter Grünberg Institut PGI-6, Forschungszentrum Jülich, 52425 Jülich, Germany — 2Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland — 3Fakultät für Physik and Center for Nanointegration Duisburg-Essen (CeNIDE), 47048 Duisburg, Germany
Detailed knowledge of the electronic band structure of thin ferromagnetic films is a first step towards the proper understanding of the spin-based phenomena important for future spintronics such as tunneling anisotropic magnetoresistance or spin-orbit torque. In this contribution, we will present results of comprehensive angular resolved photoemission (ARPES) studies of the electronic band structure of thin Fe(001) films grown on Au(001) and MgO(001). In both cases, Fe shows high crystalline quality providing perfect model systems for these fundamental investigations. The studies conducted using a laboratory based high resolution ARPES apparatus operated with an unpolarized discharge source were complemented by the k-space microscopy (NanoESCA) performed at Elettra light source (Trieste, Italy). The experimentally obtained electronic band structures will be confronted with the results of the DFT calculations.