activity
20222026
most citedGiant optical orientation of exciton spins in lead halide perovskite crystals

25 citations · 44 across the 8 of their papers we have counts for

collaborators

10 papers

cond-mat.other2026

Layer-dependent Landé -factors of electrons, holes, and excitons in two-dimensional Ruddlesden-Popper lead halide perovskites

Nataliia E. Kopteva, Dmitri R. Yakovlev, Mikhail O. Nestoklon +9

Two-dimensional Ruddlesden-Popper lead halide perovskites provide a valuable platform for tailoring charge and spin properties through quantum confinement and reduced symmetry. Whi…

cond-mat.mes-hall2025

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…

cond-mat.mtrl-sci2024

Effect of crystal symmetry of lead halide perovskites on the optical orientation of excitons

Nataliia E. Kopteva, Dmitri R. Yakovlev, Eyüp Yalcin +8

The great variety of lead halide perovskite semiconductors represents an outstanding platform for studying crystal symmetry effects on the spin-dependent properties. Access to them…

cond-mat.mes-hall2024

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…

cond-mat.mes-hall2023★ 25 cited

Giant optical orientation of exciton spins in lead halide perovskite crystals

Natalia E. Kopteva, Dmitri R. Yakovlev, Eyüp Yalcin +11

Optical orientation of carrier spins by circularly polarized light is the basis of spin physics in semiconductors. Here, we demonstrate strong optical orientation of 85\%, approach…

cond-mat.mes-hall2023

Long-lived exciton coherence in mixed-halide perovskite crystals

Stefan Grisard, Artur V. Trifonov, Ivan A. Solovev +5

Compositional engineering of the optical properties of hybrid organic-inorganic lead halide perovskites is one of the cornerstones for the realization of efficient solar cells and…

cond-mat.mes-hall2023

Spin-Flip Raman Scattering on Electrons and Holes in Two-Dimensional (PEA)PbI Perovskites

C. Harkort, D. Kudlacik, N. E. Kopteva +6

The class of Ruddlesden-Popper type (PEA)PbI perovskites comprises two-dimensional (2D) structures whose optical properties are determined by excitons with a large binding…

cond-mat.mes-hall2023

Weak dispersion of exciton Landé factor with band gap energy in lead halide perovskites: Approximate compensation of the electron and hole dependences

N. E. Kopteva, D. R. Yakovlev, E. Kirstein +11

The photovoltaic and optoelectronic properties of lead halide perovskite semiconductors are controlled by excitons, so that investigation of their fundamental properties is of crit…

cond-mat.mtrl-sci2023

Evidencing the squeezed dark nuclear spin state in lead halide perovskites

E. Kirstein, D. S. Smirnov, E. A. Zhukov +6

Coherent many-body states are highly promising for robust and scalable quantum information processing. While far-reaching theoretical predictions have been made for various impleme…

cond-mat.mtrl-sci2022★ 19 cited

Coherent Spin Dynamics of Electrons in Two-Dimensional (PEA)PbI Perovskites

Erik Kirstein, Evgeny A. Zhukov, Dmitri R. Yakovlev +6

The versatile potential of lead halide perovskites and two-dimensional materials is merged in the Ruddlesen-Popper perovskites having outstanding optical properties. Here, the cohe…