9 papers
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…
Structural phase transitions in double perovskite crystals studied by Brillouin light scattering
D. O. Horiachyi, M. O. Nestoklon, I. A. Akimov +5
Inorganic lead-free double perovskites represent particular interest as non-toxic and stable material platform for optoelectronic applications. Here, we employ Brillouin light scat…
Bright-dark exciton splitting in lead halide perovskite crystals accessed via quantum beats in photon echoes
M. Alex Hollberg, Mikhail O. Nestoklon, Artur V. Trifonov +7
Understanding the fine structure of excitons is crucial for optoelectronic and quantum photonic applications of lead halide perovskites. It is demonstrated that polarization-sensit…
Spin dynamics of excitons and carriers in mixed-cation MAFAPbI perovskite crystals: alloy fluctuations probed by optical orientation
B. F. Gribakin, N. E. Kopteva, D. R. Yakovlev +5
Optical spin orientation measured by time-resolved photoluminescence provides a powerful tool to probe the spin dynamics of excitons and charge carriers in perovskite semiconductor…
Magnetic switching of exciton lifetime in CrSBr
Ina V. Kalitukha, Ilya A. Akimov, Mikhail O. Nestoklon +13
Exciton dynamics in layered magnetic semiconductors provide a sensitive probe of the interplay between spin order and light-matter interaction. Here, we study thin CrSBr layers usi…
Exciton spin structure in lead halide perovskite semiconductors explored via the spin dynamics in magnetic field
Vladimir L. Zhiliakov, Nataliia E. Kopteva, Irina A. Yugova +3
We theoretically investigate the spin structure and spin dynamics of excitons in bulk lead halide perovskite semiconductors with cubic, tetragonal, and orthorhombic crystal symmetr…