Magnetic proximity effect on excitonic spin states in Mn-doped layered hybrid perovskites

Autor: Neumann, Timo, Feldmann, Sascha, Moser, Philipp, Zerhoch, Jonathan, van de Goor, Tim, Delhomme, Alex, Winkler, Thomas, Finley, Jonathan J., Faugeras, Clément, Brandt, Martin S., Stier, Andreas V., Deschler, Felix

Materials combining the optoelectronic functionalities of semiconductors with control of the spin degree of freedom are highly sought after for the advancement of quantum technology devices. Here, we report the paramagnetic Ruddlesden-Popper hybrid p

Externí odkaz: http://arxiv.org/abs/2009.13867

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Optical control of exciton spin dynamics in layered metal halide perovskites via polaronic state formation

Autor: Bourelle, Sean A, Camargo, Franco VA, Ghosh, Soumen, Neumann, Timo, Van De Goor, Tim WJ, Shivanna, Ravichandran, Winkler, Thomas, Cerullo, Giulio, Deschler, Felix

Publikováno v: Bourelle, S A, Camargo, F V A, Ghosh, S, Neumann, T, van de Goor, T W J, Shivanna, R, Winkler, T, Cerullo, G & Deschler, F 2022, ' Optical control of exciton spin dynamics in layered metal halide perovskites via polaronic state formation ', Nature Communications, vol. 13, no. 1, 3320 . https://doi.org/10.1038/s41467-022-30953-w
Nature Communications

One of the open challenges of spintronics is to control the spin relaxation mechanisms. Layered metal-halide perovskites are an emerging class of semiconductors which possess a soft crystal lattice that strongly couples electronic and vibrational sta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b554d511d871d7a2ebb8f2c3345fb94
https://pure.au.dk/portal/da/publications/optical-control-of-exciton-spin-dynamics-in-layered-metal-halide-perovskites-via-polaronic-state-formation(dd716e48-99ac-427b-afab-3b6d8d73c109).html

Manganese doping for enhanced magnetic brightening and circular polarization control of dark excitons in paramagnetic layered hybrid metal-halide perovskites

Autor: Neumann, Timo, Feldmann, Sascha, Moser, Philipp, Delhomme, Alex, Zerhoch, Jonathan, Van De Goor, Tim, Wang, Shuli, Dyksik, Mateusz, Winkler, Thomas, Finley, Jonathan J, Plochocka, Paulina, Brandt, Martin S, Faugeras, Clément, Stier, Andreas V, Deschler, Felix

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Nature Communications

Funder: see funding acknowledgment in paper
Materials combining semiconductor functionalities with spin control are desired for the advancement of quantum technologies. Here, we study the magneto-optical properties of novel paramagnetic Ruddlesd

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1da902700f69dbcbeb6c714def0d0f31

Charge Carrier Localization in Doped Perovskite Nanocrystals Enhances Radiative Recombination

Autor: Feldmann, Sascha, Gangishetty, Mahesh K, Bravić, Ivona, Neumann, Timo, Peng, Bo, Winkler, Thomas, Friend, Richard H, Monserrat, Bartomeu, Congreve, Daniel N, Deschler, Felix

Nanocrystals based on halide perovskites offer a promising material platform for highly efficient lighting. Using transient optical spectroscopy, we study excitation recombination dynamics in manganese-doped CsPb(Cl,Br)3 perovskite nanocrystals. We f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd11d7c9ee8b8c26b53725ebfc3a271e