Manipulating topological spin textures in multiferroic and polar materials

J. Hugo Dil

doi:10.1117/12.2570644

20 August 2020 Manipulating topological spin textures in multiferroic and polar materials

J. Hugo Dil

Proceedings Volume 11470, Spintronics XIII; 114703C (2020) https://doi.org/10.1117/12.2570644
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

The possibility to manipulate spin textures is of central importance for their utilisation in functional materials. Here it will be shown how the resulting changes in the spin texture of the electronic structure can directly be imaged by spin- and angle-resolved photoemission spectroscopy (SARPES) by the examples of a multiferroic and a polar material. By using operando SARPES it will be shown that it is possible to reverse both the Rashbaand Zeeman-type spin textures in multiferroic Ge_1-xMn_xTe thin films by applying an external electric field in a capacitor type set-up. Furthermore, by growing homoepitaxial thin films of SrTiO₃(001) the filling of the 2D electron gas found in this system can be altered to achieve a single spin-polarised Fermi surface. Combined with the superconducting properties found in SrTiO₃ this Fermi surface topology can form the starting point for the search of Majorana-type excitations.

Conference Presentation

Citation Download Citation

J. Hugo Dil "Manipulating topological spin textures in multiferroic and polar materials", Proc. SPIE 11470, Spintronics XIII, 114703C (20 August 2020); https://doi.org/10.1117/12.2570644

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