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SEMINAR: Physics Seminar

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Today's date is Friday, February 26, 2021
Physics Seminar : Tuning the spin dynamics in nanoscopic structures Other events...
Current condensed-matter research strives for ever declining system sizes and faster probing techniques. This goes with the impressive capability of the controlled synthesis of materials allowing for new functionalities such as the control of magnetism with electric fields and vice versa. The appropriate theoretical models should thus be capable to capturing quantum and mesoscopic effects as well as the case of coupled order parameters such as field-driven multiferroics. In this talk I will summarize our studies of the field-driven, spin-dependent dynamics in nanostructures and how this dynamics can be accessed experimentally [1,2]. The transition to the classical treatment is then addressed as well as the question of how to optimally control the magnetization dynamics in metallic nanomagnets [3]. A further issue is how the polarization evolves for a ferroelectric oxide driven by an electric field and how to capture the coupled magnetization/polarization dynamics in multiferroic nanostructure in the presence of time-dependent electric and magnetic fields [4].

[1] A. Matos-Abiague, J. Berakdar, Phys. Rev. Lett. 94, 166801 (2005). [2] Y. Pavlyukh, J. Berakdar, Chem. Phys. Lett. 468, 313 (2009). [3] A. Sukhov, J. Berakdar, Phys. Rev. Lett. 102, 057204 (2009). [4] A. Sukhov, C. L. Jia, P. P. Horley and J. Berakdar, J. Phys.: Condens. Matter 22, 352201 (2010).
Speaker(s) Prof Jamal Berakdar, Martin-Luther-Universität Halle-Wittenberg, Institut für Physik, Germany
Location Rm 2:15, Physics, UWA
Contact Gay Hollister <[email protected]> : 6488 2738
Start Tue, 05 Apr 2011 15:45
End Tue, 05 Apr 2011 16:45
Submitted by Gay Hollister <[email protected]>
Last Updated Thu, 31 Mar 2011 16:07
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