Regensburg 2013 – wissenschaftliches Programm

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SYPM: Symposium Photons for Magnetism

SYPM 1: Photons in Magnetism (MA, HL, MI, O)

SYPM 1.3: Hauptvortrag

Donnerstag, 14. März 2013, 16:00–16:30, H1

Nanomagnetism seen by Femtosecond X-rays — •Stefan Eisebitt — Institut für Optik und Atomare Physik, Technische Universität Berlin

Magnetism exhibits phenomena on intrinsic timescales spanning many orders of magnitude. Femtosecond light sources have given us access to ultrafast de/remagnetization phenomena. Due to their short wavelength, novel fs X-ray sources allow us to probe such phenomena in conjunction with spatial information at the nanoscale. I will report on resonant scattering experiments at Free Electron X-ray Lasers, which allow us to observe the influence of electronic transport in the presence of magnetic domains on ultrafast demagnetization phenomena. In addition, ultrafast real space observation of magnetic domains via x-ray holography using single fs-pulses from X-ray lasers has become a reality and will be discussed.