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Hyperfine versus exchange interaction in the spin dynamics of spatially indirect excitons in CsPbI perovskite nanocrystals
Timur S. Shamirzaev, Nataliia E. Kopteva, Dmitry S. Smirnov +7
We study the dynamics of recombination, optical orientation, and optical alignment of excitons in ensembles of CsPbI nanocrystals (NCs), synthesized in a glass matrix. In lar…
Millisecond spin relaxation times of distinct electron and hole subensembles in MAFAPbI perovskite crystals
Rongrong Hu, Sergey R. Meliakov, Dmitri R. Yakovlev +4
The unique combination of outstanding optical quality and attractive spin properties opens new avenues for optical spin control in hybrid organic-inorganic perovskite semiconductor…
Millisecond-long electron spin lifetime in CsPbI perovskite nanocrystals revealed by optically detected magnetic resonance
Vasilii V. Belykh, Mikhail M. Glazov, Sergey R. Meliakov +7
Perovskite nanocrystals are a convenient model system for optical spin orientation and manipulation. However, its real potential might be underestimated due to the incomplete knowl…
Assessing the classicality of photon echo from excitons in lead halide perovskite nanocrystals
George Alkhalil, Hendrik Rose, Artur V. Trifonov +9
Photon echo (PE) spectroscopy is a powerful technique for probing decoherence mechanisms and charge carrier dynamics in semiconductor systems. Beyond traditional coherence measurem…
Coherent spin dynamics of electrons and holes photogenerated with large kinetic energy in lead halide perovskite crystals
Evgeny A. Zhukov, Dmitri R. Yakovlev, Erik Kirstein +4
The coherent spin dynamics of electrons and holes are studied in a FA0.9Cs0.1PbI2.8Br0.2 perovskite bulk crystal, using time-resolved Kerr ellipticity in a two-color pump-probe sch…
Spin-dependent exciton-exciton interactions in a mixed lead halide perovskite crystal
Stefan Grisard, Artur V. Trifonov, Thilo Hahn +6
We investigate the two-pulse photon echo response of excitons in the mixed lead halide perovskite crystal \sample in dependence on the excitation intensity and polarization of the…