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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 49: Poster Session II

CPP 49.21: Poster

Tuesday, March 17, 2020, 14:00–16:00, P1A

Magneto-Optical Properties of magnetically-doped Perovskite Semiconductors — •Timo Neumann1,2, Jonathan Zerhoch2, Sascha Feldmann1, Martin Brandt2, and Felix Deschler21Cavendish Laboratory, University of Cambridge, Cambridge, UK — 2Walter Schottky Institut, Technische Universität München, 85748 Garching, Germany

Dilute magnetic semiconductors (DMS) constitute a material class which combines semiconducting and magnetic properties by introducing magnetic impurities to an otherwise non-magnetic host semiconductor. Fully inorganic DMS have been known for decades and advanced material processing techniques have enabled control over various functionalities like spin injection and the control of magnetism by electric fields and currents. Due to their outstanding optoelectronic properties and high defect tolerance, organo-metal halide perovskites form an ideal system for efficient magnetic doping. We perform temperature and magnetic field dependent magnetometry to characterise the magnetic properties of magnetically-doped perovskite semiconductors and employ polarisation-dependent, low temperature magneto-photoluminescence measurements to reveal the coupling between localised magnetic impurities and optically excited charge carriers.

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